ADVANCED NMR SYSTEMS INC
424B3, 1995-10-10
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                                                     Registration No. 33-62657
                                                                Rule 424(b)(3)


        PROSPECTUS

                              ADVANCED NMR SYSTEMS, INC.
                                   2,331,722 Shares
                             Common Stock, $.01 Par Value
          Issuable Upon Exercise of 2,331,722 Common Stock Purchase Warrants

          This Prospectus  relates to  the offering  by Advanced NMR  Systems,
        Inc.,  a  Delaware corporation  (the  "Company"), of  up  to 2,331,722
        shares of Common Stock, $.01 par value per share (the "Common Stock"),
        issuable  upon exercise of up  to 2,331,722 Advanced  NMR Common Stock
        Purchase  Warrants  (the  "Warrants").    On   August  31,  1995  (the
        "Effective Date"), the Company  issued the Warrants to the  holders of
        shares   of  common  stock,  $.01  par  value  per  share  of  Medical
        Diagnostics, Inc., ("MDI"), upon the merger (the "Merger") of MDI into
        ANMR  Acquisition  Corp., a  wholly-owned  subsidiary  of the  Company
        ("Acquisition  Corp."), pursuant to  an Agreement and  Plan of Merger,
        dated as of  May 2, 1995  (the "Merger Agreement"),  by and among  the
        Company, MDI and Acquisition Corp.

          The Warrants  were issued  under a  Warrant Agreement,  dated as  of
        August 31,  1995 (the "Warrant  Agreement"), between  the Company  and
        American Stock  Transfer  &  Trust  Company,  as  Warrant  Agent  (the
        "Warrant  Agent").   The  Warrants  entitle  the  holders  thereof  to
        purchase shares of Common Stock at a price per share of $3.75, subject
        to customary anti-dilution adjustments.  Each Warrant may be exercised
        until  5:00 p.m.,  New York City  time, on  the earlier  of August 30,
        2000,  the fifth anniversary of the  Effective Date, or the date fixed
        for redemption of the Warrants.

          The  Warrants  are  subject  to  redemption  at  the  option  of the
        Company,  in whole but not in part,  at a redemption price of $.05 per
        Warrant,  in the event  that the average market  price of Common Stock
        has been at  least $4.50 per  share (subject to  adjustment for  stock
        splits and combinations) for any twenty consecutive trading days after
        the  Effective Date.   Any  Warrants not  exercised prior to  the date
        fixed  for redemption  thereafter  will represent  only  the right  to
        receive, upon surrender, the redemption price therefor.

          The  Warrants  are  listed  on  the  NASDAQ National  Market  System
        ("NMS") under the symbol "ANMRW."  The Warrants are inactively traded.

          The shares of  the Company's Common Stock  are listed on the  NASDAQ
        NMS under  the symbol "ANMR."   On October 5, 1995,  the closing sales
        price  for a share  of Common Stock  as quoted  on the NASDAQ  NMS was
        $2.1875.

          The   Company  will  receive  proceeds  from  the  exercise  of  the
        Warrants, but not  from the sale of the underlying  Common Stock.  See
        "Use of Proceeds."

          All expenses  of the  registration of  the shares  of the  Company's
        Common  Stock issuable upon exercise  of the Warrants  covered by this
        Prospectus, estimated to be $30,000, are to be borne by the Company.

          THE  SECURITIES OFFERED HEREBY  ARE SPECULATIVE  AND INVOLVE  A HIGH
        DEGREE OF RISK.  SEE "RISK FACTORS" ON PAGE 7 HEREIN.

          THESE  SECURITIES  HAVE  NOT  BEEN APPROVED  OR  DISAPPROVED  BY THE
        SECURITIES AND EXCHANGE COMMISSION  OR ANY STATE SECURITIES COMMISSION
        NOR  HAS  THE SECURITIES  AND  EXCHANGE  COMMISSION  PASSED  UPON  THE
        ACCURACY  OR ADEQUACY OF THIS  PROSPECTUS.  ANY  REPRESENTATION TO THE
        CONTRARY IS A CRIMINAL OFFENSE.

                    The date of this Prospectus is October 5, 1995

        <PAGE>

                                AVAILABLE INFORMATION

           The Company  is subject  to the  informational requirements  of the
        Securities  Exchange Act of 1934, as amended (the "Exchange Act"), and
        in  accordance therewith  files  reports, proxy  statements and  other
        information  with  the   Securities  and   Exchange  Commission   (the
        "Commission").  These reports,  proxy statements and other information
        can  be  inspected  and  copied  at the  public  reference  facilities
        maintained by the Commission  at Room 1024 of the  Commission's office
        at 450 Fifth Street N.W., Washington, D.C. 20549, and at  its regional
        offices located at  New York  Regional Office, 7  World Trade  Center,
        13th Floor,  New York,  New York 10048;  and 500 West  Madison Street,
        14th Floor, Chicago,  Illinois 60661.  Copies of such  material can be
        obtained  from the Public Reference  Section of the  Commission at 450
        Fifth Street, N.W., Washington, D.C. 20549, at prescribed rates.  

           This Prospectus does not  contain all the information set  forth in
        the Registration  Statement filed by  the Company with  the Commission
        (the "Registration Statement") with respect to the securities to which
        this  Prospectus  relates, certain  parts  of  which  are  omitted  in
        accordance  with the  rules and  regulations of  the Commission.   For
        further  information with respect  to the  Company and  the securities
        offered  hereby,  reference is  made  to  the Registration  Statement,
        including  the exhibits thereto.   Each summary in  this Prospectus of
        information  included in  the  Registration Statement  or any  exhibit
        thereto  is qualified in its entirety by reference to such information
        or exhibit.


                  INCORPORATION OF CERTAIN INFORMATION BY REFERENCE

           Except  to  the  extent   modified  or  superseded  by  information
        contained herein, the  Company's Annual  Report on Form  10-K for  the
        year  ended December 31, 1994, the Company's Quarterly Reports on Form
        10-Q  for the  quarters  ended  March 31,  1995,  and  June 30,  1995,
        respectively, the Company's Reports  on Form 8-K filed on May  5, 1995
        and  September 8, 1995, respectively, and the Joint Proxy Statement of
        the Company  and MDI,  dated August 3,  1995, for  the Company's  1995
        Annual  Meeting of  Stockholders, as  filed with  the Commission,  are
        hereby incorporated by  reference in this  Prospectus.  Any  statement
        contained in a document  incorporated or deemed to be  incorporated by
        reference  herein shall  be deemed  to be  modified or  superseded for
        purposes of this Prospectus  to the extent that a  statement contained
        herein modifies or supersedes  such statement.  Any such  statement so
        modified or superseded shall  not be deemed, except as  so modified or
        superseded, to constitute a part of this Prospectus.

           All  documents filed pursuant to Sections 13(a), 13(c), 14 or 15(d)
        of the Exchange Act after the date of this Prospectus and prior to the
        termination of this offering shall be deemed incorporated by reference
        in this Prospectus and to be a part hereof from the date of  filing of
        such documents.

           The Company  undertakes to provide  without charge to  each person,
        including any beneficial owner, to whom a copy of this  Prospectus has
        been delivered, upon the written or oral request of any such person, a
        copy  of any of the documents or information incorporated by reference
        herein, other than exhibits to such documents unless such exhibits are
        specifically incorporated by reference  into such documents.  Requests
        should  be directed to  Jack Nelson,  Chairman, Advanced  NMR Systems,
        Inc.,  46  Jonspin Road,  Wilmington,  Massachusetts 01887;  telephone
        number (508) 657-8876.

                                  -----------------

                                         -2-

        <PAGE>

                                       SUMMARY

                                     THE COMPANY

        General
        -------

           Advanced NMR Systems, Inc.  ("ANMR" as a separate company  and ANMR
        and  its subsidiaries collectively  sometimes the "Company") develops,
        manufactures  and markets  a family  of technically  advanced products
        related  to ultra-fast  magnetic  resonance imaging  ("MRI")  systems.
        ANMR manufactures  the InstaScan   system, a  sophisticated high-speed
        retrofit package for enhancing conventional MRI systems.  ANMR is also
        the exclusive integrator of  very high field  (3T and 4T) MRI  systems
        using  some of  General Electric  Medical  Systems ("GEMS")  Signa  MR
        components, third party components  and an ANMR component.  ANMR has a
        61% ownership interest in  Advanced Mammography Systems, Inc. ("AMS").
        AMS  has  developed  a dedicated  MRI  breast  imaging  system and  is
        negotiating with certain medical facilities for its installation.   On
        August 31,  1995, Medical Diagnostics,  Inc. ("MDI") became  a wholly-
        owned  subsidiary of  ANMR through  consummation of  the Merger.   MDI
        provides advanced radiology  services such  as MRI  and Single  Photon
        Emission  Computed Tomography ("SPECT")  to patients in Massachusetts,
        New York, Virginia, West  Virginia and Tennessee through a  network of
        mobile  and  fixed  equipment  at hospital,  clinic  and  freestanding
        facilities,   and  also  rehabilitation  services  for  motor  vehicle
        accident victims.

           ANMR is a Delaware corporation.  Its executive office is located at
        46 Jonspin  Road, Wilmington,  Massachusetts 01887, and  its telephone
        number is (508) 657-8876.

        ANMR
        ----

           From  its  inception   in  1983  until  November   1992,  ANMR  was
        exclusively  an  R&D  operation.   In  1992,  ANMR's  transition to  a
        manufacturing operation  was initiated with the  first commercial sale
        of its  1.5T InstaScan system and  receipt of clearance from  the U.S.
        Food and Drug Administration ("FDA") to market such system to clinical
        institutions.  Calendar  year 1993 marked  the modification of  ANMR's
        agreement   with  GEMS   (the  "GEMS   Agreement")  and   the  initial
        implementation  of  its  sales  and  marketing  program  to  sell  the
        InstaScan system.  The GEMS Agreement  was further modified as of June
        30,  1994 in  which revenues  from the  sale of high  field 3T  and 4T
        systems would contribute to satisfying  the GEMS obligation under  the
        1993 GEMS Agreement.

           MRI systems provide medical images  for the diagnosis and detection
        of  disease.   The systems  use large  magnets, digital  computers and
        controlled radio waves to derive cross-sectional (two dimensional) and
        volume (three-dimensional) pictures of human and animal anatomy and to
        provide  information, which can be displayed either on film or a video
        monitor,  about  the  concentration  and  the  physical  and  chemical
        environment  of atomic nuclei  without the need  for invasive surgery.
        This is in contrast to other currently available diagnostic techniques
        such  as  Positron  Emission  Tomography  ("PET"), Computerized  Axial
        Tomography  ("CAT")  and  conventional X-ray  equipment  that  subject
        living tissue to potentially harmful ionizing  radiation.  MRI systems
        present  no known  risk to  most patients;  however, the  long imaging
        times  associated with  commercially available  systems may  result in
        degraded  image  quality due  to patient  movement  and motion  of the
        internal  organs (especially of the heart and of the abdominal organs)
        during the scanning period.

           ANMR  has developed  the  Instascan system  which is  significantly
        faster than other commercially  available systems and has demonstrated
        that  the adverse  effects  of any  motion, patient  or organ,  can be
        substantially eliminated.  In addition,  natural physiological motions
        can  actually be visualized by acquiring multiple InstaScan images and
        showing  them   in  a   movie  sequence.     Following  ANMR's   lead,
        manufacturers of  MRI systems  are now  including Echo  Planar Imaging
        ("EPI") in their systems.

           The  following  significant  events  have occurred  at  ANMR  since
        January  1, 1994:  ANMR was  awarded  an imaging  patent  for its  new
        technology referred to as  Catch and Hold and received  clearance from
        the  FDA for  commercial  sale  of  the  Catch  and  Hold  technology;
        installed  its  second  InstaScan   system  at  Massachusetts  General
        Hospital  (MGH)  to be  used  specifically  for clinical  application;
        installed  its  first  3T  Instascan retrofit  at  the  University  of
        Pittsburgh; installed an  EPI upgrade for  the National Institutes  of
        Health (NIH) for the development 

                                         -3-

        <PAGE>

        of an EPI  upgrade of its 4T MRI system;  received two purchase orders
        for  integrating  and installing  3T  MRI  systems  and announced  the
        receipt of  an  additional  nine purchase  orders  for  its  InstaScan
        systems from  various research  and clinical  sites; appointed  a Vice
        President of  Sales and Marketing who  was a former head  of sales for
        GEMS; hired a GEMS senior scientist as an Engineering Program Manager;
        concluded an  agreement to  expand its  strategic  alliance with  GEMS
        through June 30, 1997 as  the exclusive system integrator of the  high
        field  3T and  4T  MRI  system;  entered into  an  alliance  with  the
        University  of Texas  and  Elscint, Ltd.  to develop,  manufacture and
        distribute   a  highly  sophisticated,   fully  integrated  functional
        neuroimaging system;  and received  regulatory clearance in  Japan for
        the commercial sales of its InstaScan system.

           In  March 1993, the GEMS Agreement was modified providing, in part,
        for the minimum  purchase by GEMS of 100 InstaScan  systems by the end
        of calendar year 1994  with installation by the  end of calendar  year
        1995.   If by  December 31, 1995, GEMS  has not paid  ANMR for the 100
        units, it was to pay ANMR $100,000 for each unit of the first 75 units
        not purchased and $50,000 for each of units 76-100 not purchased.  The
        GEMS  purchase obligation  was  modified as  of  June 30,  1994  in an
        agreement with GEMS pursuant to which revenues from the sale of 3T and
        4T systems will contribute to satisfying the GEMS obligation under the
        1993 GEMS Agreement.  The 1994 modification covers a three year period
        through June  30, 1997.   The GEMS purchase  obligation is  subject to
        usual conditions of sale, including changes in health care regulations
        covering  MRI  products.   The  GEMS  period  of  exclusivity for  the
        InstaScan system terminated  on December  31, 1994.   At December  31,
        1994, seventeen InstaScan sales and two 3T sales were credited to this
        arrangement with GEMS.  As of January 1, 1995, sales  of the InstaScan
        system are  no longer  limited  under the  1993 GEMS  Agreement.   All
        future sales of the InstaScan system will be sold directly to customer
        sites  or through GEMS and  will be negotiated  on mutually acceptable
        terms  with each customer.   Purchase orders of  the InstaScan systems
        obtained  after  December 31,  1994  will  generally not  be  credited
        towards  the dollar  value of  GEMS's obligation  under the  1993 GEMS
        Agreement.

           In July 1994, ANMR concluded an agreement with GEMS for the sale of
        3T  and 4T  research MR  systems  to GEMS  through June  1997.   These
        systems, while not yet submitted to the FDA for clearance for clinical
        use, will  be sold  to  premier research  institutions throughout  the
        world.   The first  such system  was  installed at  the University  of
        Pittsburgh  in April  1994.    This  first  system  was  developed  in
        collaboration  with  the  MRI  group  at the  corporate  research  and
        development center of GEMS.  All future  systems will be integrated by
        ANMR at its plant.

           In June 1992, ANMR  licensed (the "ANMR License Agreement")  to AMS
        the  right to use ANMR's InstaScan technology  in the development of a
        dedicated   breast  imaging  system   (the  "Field   of  Use").     As
        consideration  for  the  ANMR  License  Agreement,  AMS  paid  to ANMR
        $1,680,000 and issued 4,000,000  shares of AMS Common Stock,  of which
        2,750,000  shares are  subject to  an escrow  arrangement for  release
        based upon AMS achieving certain future minimum pre-tax income, or the
        market price of the AMS common stock reaching certain levels.

           ANMR believes other  dedicated use (or  partial body) MRI  scanners
        might be developed for fields of  use in addition to mammography.  AMS
        has not  been granted the right to use any technology now or hereafter
        obtained  by ANMR  in  connection with  any  other dedicated  use  MRI
        scanners.   However, AMS has  been granted a  50% interest in  any net
        profits, as defined in the ANMR License Agreement (after allocation of
        development expenses), derived  by ANMR  from the sale  or license  of
        dedicated use  MRI  scanners  utilizing  or based  upon  the  Licensed
        Technology outside of  the Field of Use.   The ANMR  License Agreement
        provides  that (i) any inventions  outside the Field  of Use developed
        solely by ANMR or an ANMR entity  shall be owned by ANMR or such  ANMR
        entity  and automatically licensed  to AMS on  an exclusive, worldwide
        basis, within the Field  of Use, (ii) any inventions  developed solely
        by  AMS shall  be  automatically licensed  to  ANMR on  an  exclusive,
        worldwide basis for use solely outside the Field of Use, and (iii) any
        inventions outside the Field of Use  jointly developed by ANMR and AMS
        or an ANMR entity  shall be jointly owned in equal  shares by ANMR, on
        the one hand, and AMS or an ANMR entity, on the other hand, and AMS or
        an  ANMR entity shall automatically license its interest to ANMR on an
        exclusive, worldwide basis.  Accordingly,  ANMR would obtain the right
        to  future  technology developed  by AMS  for  use in  connection with
        mammography, and  AMS shall  obtain  the right  to further  technology
        developed by ANMR for use outside the Field of Use.

           AMS  is continuing  its mission  to develop  a dedicated  MR breast
        imaging system.   Over  the past  year, AMS  has developed an  imaging
        technique  to suppress  fat  in breast  images.   This  technology  is
        particularly useful in 

                                         -4-

        <PAGE>

        imaging  dense  breasts  which   present  a  problem  in  interpreting
        conventional  X-ray images.   This  new technique  was developed  as a
        collaboration between  ANMR and AMS.  AMS has completed a prototype of
        its dedicated MR  breast imaging system  and is currently  negotiating
        with certain medical facilities for its installation.

           To  optimize ANMR's  and AMS's operating  efficiency, ANMR  and AMS
        entered  into a  Shared  Services Agreement  as  of January  25,  1993
        whereby  the  companies  share  common  expenses  and  functions,  for
        example,  executive  officers, marketing,  field  service, accounting,
        regulatory  approvals, and manufacturing  operations.   This agreement
        has  been extended  to  January 24,  1996.   From  an engineering  and
        manufacturing perspective, this Shared Services Agreement has  greatly
        facilitated development  of the prototype mammography  scanner and has
        also benefitted  ANMR's development  of enhancements to  its InstaScan
        products.

           In January 1995, AMS called for redemption of  all of its remaining
        outstanding  redeemable  warrants to  purchase  shares  of its  common
        stock.   Warrants  for 226,000  shares had  previously been  exercised
        prior to  the call.   All of  the outstanding warrants  were exercised
        prior to the redemption  date for approximately 774,000 shares  of AMS
        common stock at the exercise price of  $3.00 per share.  Consequently,
        no warrants  were actually redeemed.   AMS is  using the  $2.3 million
        proceeds from the exercise of the warrants for continuing research and
        development and for general working capital purposes.

        MDI
        ---

           MDI was founded in  1984 to operate mobile radiology  services as a
        full-service medical provider under its own clinic licenses where such
        operation is allowed  under state  regulation.  It  used the  proceeds
        from a 1992 public  offering in part to acquire minority  interests in
        current  MDI  operations from  certain  partners,  to acquire  imaging
        businesses  operating  in  New   York,  Virginia,  West  Virginia  and
        Tennessee   and  to   enter  into   the  rehabilitation   business  in
        Massachusetts.

           Effective  November 5, 1993, MDI acquired  certain assets from, and
        entered  into contractual arrangements  to provide MRI  services to, a
        privately  held professional  medical corporation  which provides  MRI
        services to a regional network of hospitals and clinics located in the
        Finger Lakes region of New York State.

           In  May  1994,  MDI completed  its  acquisition  of  Meritus Health
        Systems and affiliates ("Meritus") headquartered in Roanoke, Virginia.
        Meritus  provides  MRI and  SPECT imaging  services in  Virginia, West
        Virginia and Tennessee.

           MDI  often acts as a full-service medical provider in its radiology
        services business, particularly MRI  services, providing MRI and SPECT
        equipment and  technologists and typically providing  or arranging for
        the  necessary   physician  and  support  personnel,   scheduling  and
        screening of patients, maintaining medical and administrative records,
        establishing charges and billing and collecting revenues from patients
        and third-party payers.  In these  instances, host hospitals generally
        function  as a landlord for  an MDI subsidiary  or affiliate operating
        the MRI or SPECT services.  By  operating in this manner, MDI is  able
        to control the  hours of  operation for its  units and manage  patient
        scheduling, permitting MDI to  more fully utilize its equipment.   MDI
        is also able to expand  demand for its services by marketing  directly
        to referring physicians and third-party payers, the primary sources of
        MRI patient business, including physicians who are not affiliated with
        the host  hospitals.  MDI believes that controlling all or most of the
        radiology  services, including  holding the  required  clinic licenses
        when  possible,   enhances  its  ability  to   negotiate  renewals  or
        extensions of its arrangements with the hospitals.

           A  majority of  MDI's MRI  services are  provided under  the "full-
        service" model.   SPECT services  are provided under  both vendor  and
        provider models.   In circumstances  where MDI  does not operate  as a
        provider,  it   endeavors   to  improve   utilization  and   operating
        performance  by  applying  the  marketing  and  other  skills  it  has
        developed as a provider to these operations.

           On January 31, 1995, MDI entered the rehabilitation  market through
        its acquisition  of  75% of  the  net assets  of  the MVA  Center  for
        Rehabilitation,  Inc.   in  Springfield,   MA,  and  entered   into  a
        partnership  to  provide physician  care,  physical  therapy and  case
        management  to motor vehicle accident victims.  MDI is evaluating this
        business and, 

                                         -5-

        <PAGE>

        although  no   assurances  can  be  given,   MDI  anticipates  opening
        additional  MVA centers and may seek to develop other opportunities in
        niche rehabilitation markets.

        The MDI Merger
        --------------

           Upon  the Merger, ANMR issued 6,670,157 shares of ANMR Common Stock
        and 2,331,722  Warrants  and also  paid  an aggregate  of  $11,196,102
        (exclusive  of  any payments  in lieu  of  the issuance  of fractional
        shares) to the  holders of common stock, $.01 par  value per share, of
        MDI  (the "MDI Common Stock").   The outstanding  options and warrants
        for the purchase of an aggregate of 560,894 shares of MDI Common Stock
        became exercisable for ANMR Common Stock, ANMR Warrants and/or cash.

           Pursuant  to the Merger Agreement,  each share of  MDI Common Stock
        was  exchangeable for (i) $8.00 in cash (the "Cash Consideration"), or
        (ii) 2.861 shares of ANMR Common Stock plus one Warrant (collectively,
        the  "Share  Consideration"), or  (iii)  a  combination  of  the  Cash
        Consideration and the Share Consideration, provided that not more than
        37.5%  of  the  MDI Common  Stock  could  be  exchanged for  the  Cash
        Consideration.   Based  upon elections made  by MDI  Stockholders, the
        Cash Consideration was pro  rated so each stockholder who  had elected
        the  Cash Consideration received $4.02  in cash, 1.423  shares of ANMR
        Common Stock and .4975 of a Warrant for each MDI share exchanged. 

           The Cash Consideration was financed  in part by a $9  million five-
        year term loan facility  and a $6 million revolving credit facility to
        MDI from  Chemical Bank, and guaranteed  by ANMR and certain  of MDI's
        subsidiaries.   The loan  facilities are  secured by  a first  lien on
        specified assets of MDI, ANMR and certain designated subsidiaries, and
        a pledge of ANMR's unescrowed shares of AMS Common Stock.  The balance
        of the loan proceeds was  used to repay MDI's prior bank  facility and
        for general working capital.

           Upon the Merger,  the ANMR  Board of Directors  was increased  from
        seven  to ten persons and John A.  Lynch, Edward J. Connors and Milton
        L. Glass, designees of the prior MDI Board, were added as directors to
        the ANMR  Board and  Mr. Lynch  was elected Senior  Vice President  of
        ANMR.  The  ANMR Board also approved a change  in the Company's fiscal
        year to September 30, from  December 31, to conform to the  MDI fiscal
        year.

                                         -6-

        <PAGE>

                                     RISK FACTORS

           The  shares of the Company's Common Stock issuable upon exercise of
        the Warrants are speculative  in nature and involve  a high degree  of
        risk.   In addition to the  other information in this  Prospectus, the
        following  information  should be  considered  carefully by  potential
        purchasers in evaluating the Company and its business before making an
        investment in the shares of Common Stock offered hereby:

           Significant  Indebtedness  and  Debt  Service After  Merger.    The
        financing  related  to the  Merger  has resulted  in a  high  level of
        indebtedness for the Company.   At March 31, 1995, on  a pro forma and
        consolidated basis assuming  that the  Merger closed as  of March  31,
        1995,  the Company would have  had indebtedness for  borrowed money of
        approximately $21 million, including  the current portion of long-term
        debt of  approximately $8  million, representing approximately  71% of
        stockholders' equity.   The Company's  high level of  indebtedness has
        several  important consequences, including,  but not limited  to:  (i)
        significant  interest  expense  and  principal  repayment  obligations
        resulting  in  substantial  annual  fixed  charges;  (ii)  significant
        limitations  on  its  ability   to  obtain  financings,  make  capital
        expenditures and acquisitions and  take advantage of other significant
        business  opportunities   that   may  arise;   and   (iii)   increased
        vulnerability to adverse general economic and industry conditions.  In
        addition,  under the credit agreements with the bank, the Company will
        be  required  to  comply  with significant  affirmative  and  negative
        covenants  and  financial ratios,  including  interest coverage,  debt
        service coverage and debt to tangible net worth.  Non-compliance could
        result in the acceleration of such indebtedness. 

           History of Net Losses.  From  its inception in 1983 until  November
        1992,  ANMR  was  engaged  exclusively  in  research  and  development
        activities.  In  1992, ANMR's transition to  a manufacturing operation
        was initiated with  the first  commercial sale of  its 1.5T  InstaScan
        system and receipt of clearance from  the FDA to market such system to
        clinical institutions.  From its inception through June 30, 1995, ANMR
        had  aggregate  gross  revenues  of  $11,861,000  from  sales  of  the
        InstaScan system and related products.   ANMR's cash requirements have
        been exceeding its resources due primarily to  expenditures related to
        research  and development.   ANMR,  including consolidated  results of
        AMS, has  incurred net losses of $3,547,000, $6,167,000 and $5,493,000
        for each of the fiscal  years ended December 31, 1994, 1993  and 1992,
        respectively.  ANMR  believes that, based  on MDI's earnings  history,
        the additional cash flow  to be provided by MDI after  consummation of
        the  Merger could provide ANMR with net operating income commencing in
        fiscal year  1996, assuming certain expected  savings and efficiencies
        are achieved.

           Adverse Accounting and  Tax Consequences of  Goodwill.  The  Merger
        was accounted for by  the purchase method of  accounting.  Under  this
        accounting  method,  the majority  of the  purchase  price for  MDI --
        approximately  $29 million  -- was allocated  to the  intangible asset
        goodwill which  represents approximately 47%  of the total  assets and
        approximately  87% of  the stockholders  equity of  the Company  post-
        Merger.    The  Company  will  incur  an  annual  non-cash  charge  to
        operations  for  the  amortization  of goodwill  of  approximately  $1
        million  over  the next  30 years,  which will  not be  deductible for
        income tax purposes.

           No  Assurance  of Future  Sources of  Capital  to Support  and Grow
        Business.  The Company  will require capital to finance  its continued
        investment  in research and development,  and to support  and grow its
        existing businesses,  particularly its MRI technologies.   Inasmuch as
        ANMR  expects to incur additional operating losses with respect to its
        MRI technologies following the Merger and the bank facilities restrict
        the  ability  of MDI  to  upstream  funds to  ANMR,  there  can be  no
        assurance that ANMR will  have adequate working capital to  fund these
        activities.

           Volatility  of Common  Stock  Price.    The  market  price  of  the
        Company's Common Stock historically  has been volatile.  Factors  such
        as  quarter-to-quarter  variations  in revenues  and  announcements of
        technological innovations or new products by  ANMR or its competitors,
        customers  or suppliers  could cause  the market  price of  the Common
        Stock  to fluctuate significantly, even  with the addition  of the MDI
        business.   In addition, in recent years the stock markets in general,
        and  the market  prices for  diagnostic imaging  service companies  in
        particular, have experienced 

                                         -7-

        <PAGE>

        significant  volatility, which often may be unrelated to the operating
        performance  of  the  affected   companies.    Such  volatility  could
        adversely affect the market price of the Company's Common Stock.

           Lack of  Dividends; Restrictions on Payment of  Dividends.  Neither
        ANMR  nor MDI  has ever  paid  a dividend  to its  stockholders.   The
        Company intends to retain all available earnings, if any, generated by
        its operations for the development and growth of its business and does
        not anticipate paying any  cash dividends on  its Common Stock in  the
        foreseeable future.   In addition,  the payment of  cash dividends  is
        restricted under the bank credit agreement.

           Unpredictable  Results  of  Healthcare  Reform  Initiatives.   Many
        competing proposals have been introduced in Congress and various state
        legislatures to reform the  present health care systems.   The Company
        cannot  predict the  health care  reforms that  may be enacted  or the
        effect  that any such reforms may have on their respective businesses.
        The ability of many of MDI's  patients or health care providers to pay
        for  MDI's  services depends  upon  governmental  and private  insurer
        reimbursement policies.   A significant change in these policies could
        adversely affect MDI's businesses.

           Reliance  on  Arrangement   with  GEMS.     One  of  the   products
        manufactured  by ANMR is the InstaScan System.  The InstaScan retrofit
        has  been  configured to  only  GEMS  Signa  Systems  as ANMR  had  an
        exclusive marketing  arrangement with GEMS through  December 31, 1994.
        Reconfiguring  its  units  to  make InstaScan  compatible  with  other
        manufacturers' MRI systems would  require substantial time and involve
        substantial costs.  There can be no assurance that any  effort by ANMR
        to make  InstaScan compatible with other  manufacturer's systems would
        ultimately be successful.

           Technological Development  Limited By Third Party  Patents.  ANMR's
        business  is  dependent  upon  the  ability  to  offer  systems  which
        incorporate the  most current  technology.  This  requires substantial
        expenditures  for research and development.  In addition, some of this
        technology is protected  by patents and patent  applications of others
        to which ANMR has  no rights.  Such  patents, if valid, may  limit the
        proposed  business  of  ANMR  to  new  technologies  and new  magnetic
        resonance  diagnostic methods outside the  scope of such  patents.  In
        the  event that one or more  patent holders were to  assert a claim of
        infringement  with respect to any product or technology which ANMR may
        develop,  no assurance  can  be given  that  such claim  would not  be
        successful, and if successful,  that its impact  on ANMR would not  be
        materially adverse. 

           Potential Adverse Impact of Competing Services  and Equipment.  The
        health  services and equipment industry is  highly competitive.  Since
        ANMR  develops  imaging  products  that  ultimately  function  as  one
        component part of a larger system, it is dependent in  large part upon
        manufacturers  of such  complete  MRI systems  to  accept and  endorse
        ANMR's  products.    Most  of these  systems'  manufacturers  have the
        capability to develop and manufacture imaging components, such as echo
        planar imaging, similar  to those developed by ANMR.   There can be no
        assurance that these manufacturers will continue to accept and endorse
        ANMR's  products.    Some  entities  have,  and  others  may  develop,
        competing products or services which may be superior to those proposed
        by  ANMR and/or  AMS.    Many of  these  other  entities have  greater
        resources and  more substantial  marketing capabilities than  ANMR and
        AMS.  Furthermore, in some cases, other imaging equipment such  as PET
        scanners, conventional x-rays, CAT scanners, nuclear  medicine systems
        and ultrasound systems  may be used instead of MRI systems for certain
        diagnostic procedures,  and there are several  other methods presently
        in practice for the detection of breast cancer.  These other equipment
        systems  may be less expensive  to purchase, install  and maintain and
        involve  lower patient  charges  for their  use.   MDI  competes  with
        hospitals,  private clinics,  physicians and  therapist rehabilitation
        practices and other independent providers of  rehabilitation services,
        many  of which possess greater financial resources or are better known
        than MDI.  

           Potential   Adverse   Impact  of   Government   Regulation.     The
        manufacture, marketing and  use of magnetic resonance  systems and MRI
        services  are  subject  to  various  federal  and  state  regulations,
        including premarket clearance  by the FDA for  the MRI Systems.   Such
        clearance  may take considerable time to  obtain and in some cases may
        not be granted.   Until required FDA or  state approvals are obtained,
        neither governmental agencies nor private

                                         -8-

        <PAGE>

        insurers will reimburse AMS for the cost of magnetic resonance systems
        and  diagnostic  procedures.  Furthermore,  reimbursement  may  not be
        authorized even after approvals are granted  or it may be delayed  for
        substantial  periods  after  such  approvals.    The  market  for  the
        Company's  products and  services, particularly  the MDI  services, is
        also adversely  affected by  state certificate  of need ("CON")  laws,
        which in some  states limit  the establishment of  new facilities  and
        services as  well as the purchase  of major medical  equipment.  There
        can be no assurance that CONs can  be obtained if needed and without a
        costly  and  time  consuming  administrative process.    In  addition,
        federal and state health  care and related regulations are  subject to
        constant  change.   The  Company cannot  predict  what changes  may be
        enacted which  may affect  its business  or  the manner  in which  its
        business  would   be  affected   by  such  changes.     In   addition,
        manufacturers  of  medical devices  are  subject  to FDA  regulations,
        including  compliance with  good  manufacturing practice  regulations.
        There can  be no assurance  that these laws  and regulations  will not
        have an adverse impact on the Company in the future. 

           Potential Adverse  Impact of  Reliance on Governmental  and Private
        Reimbursement  of Health Care Costs.    ANMR products are used in both
        clinical and  research environments.   Clinical customers  will depend
        upon  governmental and  private  insurer reimbursement  policies.   In
        addition,  in most  cases,  the ability  of  patients or  health  care
        providers  to pay  for the  services which  MDI provides  depends upon
        governmental    and    private    insurer   reimbursement    policies.
        Consequently, such policies  have a  direct effect on  the ability  of
        patients and  providers to use  and pay for services  rendered by ANMR
        customers to these parties and the ability of patients and health care
        providers  to  use and  pay  for MDI's  services.   As  a  result, any
        significant adverse change in such reimbursement policies would likely
        adversely affect ANMR's and MDI's business.

              Under federal cost-containment  legislation currently in effect,
        hospital inpatients covered by Medicare are classified into diagnostic
        related groups  ("DRGs") in  accordance with the  patients' diagnoses,
        and  reimbursement  to  hospitals for  these  patients  is  limited to
        predetermined amounts  assigned to  particular DRGs.   Similarly, some
        states  limit  reimbursement of  health  care costs  by  select payers
        according to  predetermined amounts.   These predetermined  amounts do
        not necessarily cover all of the cost of the medical services actually
        provided.   Currently, the DRG program is not applicable to outpatient
        services such as those generally  provided MDI and, consequently, many
        health  care  providers  have  an  incentive  to   refer  patients  to
        diagnostic imaging services on an outpatient basis.  If in  the future
        DRG program is expanded to include outpatient services, MDI's business
        may be materially and adversely affected.

              Most health care insurers compensate a service provider, such as
        MDI,  for a  percentage of  its charge  for MRI  scans based  upon the
        "reasonable and customary"  fee for such service for that geographical
        area.  The determination of  what is "reasonable and customary"  is in
        the insurer's sole discretion.  As a result, MDI must seek the payment
        balance, if any, directly  from the patient, which, given the costs of
        debt  collection, may be  impractical.   In addition,  certain states,
        including Massachusetts, prohibit this so-called "balance  billing" of
        patients  under certain  circumstances, and  in other states,  MDI has
        agreed with one or  more insurers not to balance  bill their patients.
        MDI  also contracts with managed care payers for a negotiated fee-per-
        scan which is usually substantially below MDI's charge for such scans.
        If   the  percentage  of  patients  insured  by  managed  care  payers
        substantially  increases, or  if  managed  care  payers  substantially
        reduce  the fee-per-scan  they  are  willing  to  pay,  MDI  could  be
        materially  and adversely  affected.   Additionally, if  a substantial
        number of private insurers were to adopt diagnostic related group-type
        reimbursement schedules and if  these schedules did not permit  MDI to
        profitably provide MRI services, MDI would be materially and adversely
        affected.

           Dependence  on,  and  Need for,  Key  Personnel.    Because of  the
        specialized  nature of its business, the Company is dependent upon the
        efforts of its current officers and employees, and upon its ability to
        attract and retain technically  qualified personnel.  The loss  of the
        services of Jack  Nelson, Chairman of the Board  and Treasurer of ANMR
        or John A. Lynch, President of  MDI and Senior Vice President of ANMR,
        could  materially adversely  affect  the Company.    There is  intense
        competition  for qualified  personnel in  the MRI  industry, including
        competition from  companies with substantially greater  resources than
        the Company.  There can be no assurance that the Company 

                                         -9-

        <PAGE>

        will  be  successful  in  recruiting or  retaining  personnel  of  the
        requisite scientific caliber or in the requisite numbers to enable the
        Company to conduct its business as planned.

                                   USE OF PROCEEDS

           Assuming all the Warrants are  exercised, the Company will  receive
        net  proceeds of  approximately $8,700,000,  after payment  of certain
        expenses.     The  Company  estimates   that  the  expenses   will  be
        approximately $30,000.   The proceeds  to be received  by the  Company
        upon the  exercise of the  Warrants will be utilized  for research and
        development by ANMR, marketing and working capital purposes.  

                              DESCRIPTION OF SECURITIES

           The  Company's  authorized  capital  stock  currently  consists  of
        50,000,000  shares of Common Stock  and 1,000,000 shares  of, $.01 par
        value  per share Preferred Stock ("Preferred Stock").  As of September
        5, 1995, 30,238,571 shares of Common Stock were issued and outstanding
        and no shares of Preferred Stock were issued and outstanding.

        Common Stock

           Holders of  the Company's Common Stock are entitled to one vote per
        share  on  all matters  submitted to  a  vote of  stockholders  of the
        Company  and to  receive dividends  when, as  and if  declared by  the
        Company's  Board   from  funds  legally  available   therefor.    Upon
        liquidation  of the Company, holders  of Common Stock  are entitled to
        share ratably in any assets available for distribution to stockholders
        after payment of  all obligations of ANMR and priority payments to any
        senior class  of capital stock.   Holders of  the Common Stock  do not
        have  cumulative  voting   rights  or   preemptive,  subscription   or
        conversion rights.

        Preferred Stock

           The Board of Directors of the Company is authorized (without action
        of stockholders) from time to time, to establish  and designate one or
        more   series  of  Preferred  Stock,  to  fix  the  number  of  shares
        constituting  each  series,  and  to  fix  the  designations,  powers,
        preferences  and  relative   participating,  conversion,   redemption,
        optional or  other special  rights, and qualification,  limitations or
        restrictions  thereof,  of each  series  and  the variations  and  the
        relative rights, preferences and limitations as between  series and to
        increase or decrease  the number of  shares constituting each  series.
        Under certain  circumstances, the  Company could issue  this Preferred
        Stock as a method  of discouraging, delaying or preventing a change of
        control of the Company.

        Warrants

           General.   The Warrants  were issued  under the  Warrant Agreement.
        The  description of  the Warrant  Agreement set  forth below  does not
        purport to be complete  and is qualified in its entirety  by reference
        to the Warrant Agreement.

           Each Warrant initially entitles the holder  thereof to purchase one
        share of Common  Stock at  an exercise price  of $3.75 (the  "Exercise
        Price").   The Exercise Price and the number of shares of Common Stock
        issuable upon the exercise  of each Warrant are subject  to adjustment
        in certain  events described below.  Each  Warrant may be exercised on
        or after the issuance thereof and until 5:00 p.m., New York City time,
        on the earlier of August 30, 2000 or the date fixed  for redemption of
        the Warrants (as described below) in  accordance with the terms of the
        Warrants and the  Warrant Agreement.  To  the extent that any  Warrant
        remains  outstanding after  such time,  such unexercised  Warrant will
        automatically terminate.

                                         -10-

        <PAGE>

           Exercise.  Warrants may be exercised by surrendering to the Warrant
        Agent, American Stock Transfer & Trust Company (the "Warrant Agent") a
        signed Warrant  certificate indicating the warrantholder's election to
        exercise   all  or  a  portion  of  the  Warrants  evidenced  by  such
        certificate.  Surrendered certificates  must be accompanied by payment
        of  the aggregate  Exercise Price  in  respect of  the Warrants  to be
        exercised, which  payment may  be  made in  cash  or by  certified  or
        official  bank check  payable  to  the  order  of  the  Company.    No
        adjustments as to cash dividends with respect to the Common Stock will
        be made upon any exercise of Warrants.

           If fewer than  all the  Warrants evidenced by  any certificate  are
        exercised,  the   Warrant  Agent   will  deliver  to   the  exercising
        warrantholder a  new Warrant certificate representing  the unexercised
        Warrants.  The Company will not be required to issue fractional shares
        of its  Common Stock upon exercise of any Warrant, and in lieu thereof
        will pay  an amount equal to  the same fraction of  the current market
        value per share of Common Stock, determined as provided in the Warrant
        Agreement.

           Antidilution and  Exercise Price Adjustments.  The number of shares
        of Common Stock purchasable upon the exercise of  each Warrant and the
        Exercise  Price are subject to  adjustment in connection  with (a) the
        issuance  of  a  stock dividend  to  holders  of  Common Stock,  or  a
        combination  or   subdivision  of   Common  Stock,  and   (b)  certain
        distributions  by  the  Company to  the  holders  of  Common Stock  of
        evidences of indebtedness  or of its assets  (excluding cash dividends
        or distributions out of  earnings or out of surplus  legally available
        for dividends) or  of convertible securities, all as  set forth in the
        Warrant Agreement.   Notwithstanding  the foregoing, no  adjustment in
        the Exercise Price  will be made until  cumulative adjustments require
        an adjustment of at least $.05.

           In case  of any  reclassification, capital reorganization  or other
        change  to the  Common Stock,  or any consolidation  or merger  of the
        Company with or into another corporation, or any sale or conveyance of
        the property  of the  Company as  an entirety  or substantially  as an
        entirety, the Warrant Agreement will require that effective provisions
        will be made  so that each holder of an  outstanding Warrant will have
        the right thereafter to exercise  his or her Warrant for the  kind and
        amount of securities and  property receivable in connection  with such
        reclassification,  capital  reorganization,  consolidation, merger  or
        sale by  a holder of the  number of shares  of Common Stock  for which
        such Warrants were exercisable immediately prior thereto. Furthermore,
        if  the  Company grants  to  the holders  of  Common  Stock rights  or
        warrants  or  options  to  purchase  the  Company's  Common  Stock  or
        securities convertible into or  exchangeable or exercisable for Common
        Stock, the  Company shall concurrently grant to each warrantholder the
        rights, warrants  or options  to which  such warrantholder  would have
        been  entitled if such warrantholder were  the holder of the number of
        shares  of Common  Stock then  issuable  upon exercise  of his  or her
        Warrants.

           Redemption.   All,  but not  less than  all, of  the Warrants  then
        outstanding may  be  redeemed at  the  option  of the  Company,  at  a
        redemption price of  $.05 per Warrant,  in the event  that the  Market
        Price (as hereinafter defined)  of the Common Stock has  been at least
        $4.50  per  share (the  "Target Price").    For this  purpose, "Market
        Price"  means the average closing price reported for ANMR Common Stock
        on the NASDAQ National  Market System (or other principal  market) for
        any  twenty  consecutive  trading  days.    If  the  Common  Stock  is
        subdivided or combined into a greater or smaller number of shares, the
        Target Price will be proportionately adjusted.

           The  Company must give irrevocable notice of its election to redeem
        the Warrants  no more than ten  trading days following the  end of the
        twenty consecutive day period referred to in  the preceding paragraph.
        Notice of redemption will be mailed to warrantholders not more than 30
        days nor less  than 20 days before the date  fixed for redemption, and
        in any event not more than five trading days following delivery of the
        notice to the  Warrant Agent  referred to in  the preceding  sentence.
        Any Warrant so called for redemption may be exercised until 5:00 p.m.,
        New York City time, on the business day immediately preceding the date
        fixed for redemption,  and immediately thereafter any such Warrant, to
        the  extent not exercised, will  represent only the  right to receive,
        upon surrender, the redemption price therefor.

                                         -11-

        <PAGE>

        Reports

           The Company furnishes to  its stockholders and will furnish  to its
        warrantholders,  after the close of each fiscal year, an annual report
        containing audited financial statements.  In addition, the Company may
        furnish to its stockholders  and warrantholders such other reports  as
        may be authorized, from time to time, by its Board of Directors.

        Transfer Agent, Registrar and Warrant Agent

           American  Stock  Transfer &  Trust  Company, 40  Wall  Street, 46th
        Floor, New York,  New York 10005, is the transfer agent, registrar and
        Warrant Agent for the securities of the Company.

                                 PLAN OF DISTRIBUTION

           No underwriter is being  utilized in connection with  this offering
        or with  the exercise of the  Warrants.  The 2,331,722  shares of ANMR
        Common Stock are issuable upon exercise of the Warrants.   

           The Company is registering the shares of Common Stock issuable upon
        exercise of  the Warrants and not the resale thereof by the holders of
        the shares of Common Stock after such exercise.


                                       EXPERTS

           The  audited  consolidated  financial  statements  of  ANMR  as  of
        December 31, 1994 and 1993, and for the three years ended December 31,
        1994, which  have been incorporated  by reference in  this Prospectus,
        have been audited  by Richard  A. Eisner &  Company, LLP,  independent
        public accountants, as indicated in their reports with respect thereto
        which  are incorporated  by reference  in this Prospectus  in reliance
        upon the authority of said firm as experts in accounting and auditing.

           The  financial  statements  of  MDI  and  its  subsidiaries  as  of
        September 30,  1994 and 1993  and for the three  years ended September
        30,   1994,  which  have  been   incorporated  by  reference  in  this
        Prospectus,  have been  audited  by Arthur  Andersen LLP,  independent
        public accountants, as indicated in their reports with respect thereto
        which appears elsewhere herein, are  incorporated by reference in this
        Prospectus in reliance  upon the authority of said firm  as experts in
        accounting and auditing.


                                    LEGAL MATTERS

           Legal matters relating to the Common Stock  will be passed upon for
        the  Company by Reid & Priest LLP,  40 West 57th Street, New York, New
        York 10019.


                                ADDITIONAL INFORMATION

           The Company has filed with the  Securities and Exchange Commission,
        Washington,  D.C., a  Registration  Statement on  Form  S-3 under  the
        Securities  Act of 1933,  as amended, covering  the securities offered
        hereby.  For  further information with respect to the  Company and the
        securities  offered  hereby, reference  is  made  to the  Registration
        Statement and to the exhibits filed as part thereof.  Such information
        is available for inspection at the Public Reference Section maintained
        by the Commission at  450 Fifth Street, N.W., Washington,  D.C. 20549.
        Copies of the materials contained in the Registration Statement may be
        obtained  from the Commission upon  payment of the  fees prescribed by
        its rules and regulations.  Statements contained in this Prospectus as
        to the  contents of any contract or other document referred to are not
        necessarily complete.  In each instance, reference is made to the copy
        of  such  contract  or  other  document filed  as  an  exhibit  to the
        Registration  Statement, each  such statement  being qualified  in all
        respects by such reference.

                                         -12-

        <PAGE>

        ======================================================================
        

                                  TABLE OF CONTENTS

                                                                              
                                                                       Page
                                                                       ----

        Available Information . . . . . . . . . . . . . . . . . . . .   2

        Incorporation of Certain Information
          by Reference. . . . . . . . . . . . . . . . . . . . . . . .   2

        The Company . . . . . . . . . . . . . . . . . . . . . . . . .   3

        Risk Factors . . . . . . . . . . . . . .  . . . . . . . . . .   7

        Use of Proceeds . . . . . . . . . . . . . . . . . . . . . . .  10

        Description of Securities. . . . . . . . .  . . . . . . . . .  10

        Plan of Distribution. . . . . . . . . . . . . . . . . . . . .  12

        Experts . . . . . . . . . . . . . . . . . . . . . . . . . . .  12

        Legal Matters . . . . . . . . . . . . . . . . . . . . . . . .  12

        Additional Information. . . . . . . . . . . . . . . . . . . .  12

                                  -----------------


           No dealer, salesman,  or any  other person has  been authorized  to
        give  any information or to make any representations or projections of
        future performance other than those contained  in this Prospectus, and
        any such  other information, projections, or  representations if given
        or made must  not be relied upon  as having been  so authorized.   The
        delivery of this Prospectus or any sale hereunder at any time does not
        imply that the information herein is correct as of any time subsequent
        to its date.  This Prospectus does  not constitute an offer to sell or
        a  solicitation of  any offer  to  buy any  of the  securities offered
        hereby in  any jurisdiction to  any person to  whom it is  unlawful to
        make such offer or solicitation.

        ======================================================================


                                     ADVANCED NMR
                                    SYSTEMS, INC.





                           2,331,722 shares of Common Stock
                              Issuable Upon Exercise of
                           2,331,722 Common Stock Purchase
                                       Warrants





                                   ---------------

                                      PROSPECTUS

                                   ---------------



                                   October 5, 1995


        =====================================================================
        



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