content: UNITED STATES
     SECURITIES AND EXCHANGE COMMISSION
           Washington, D.C. 20549
                                                  OMB APPROVAL
                                                  -------------------------------
                  FORM 144                        OMB Number:        3235-0101
                                                  Expires:     August 31, 2003
                                                  Estimated average burden
                                                  hours per response.......2.0
       NOTICE OF PROPOSED SALE OF SECURITIES      -------------------------------
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
                                                            SEC USE ONLY
                                                            ---------------------
                                                            DCOUMENT SEQUENCE NO.
                                                            ---------------------
                                                            CUSIP NUMBER
                                                            ---------------------
                                                            WORK LOCATION
  
  ATTENTION:        Transmit for filing 3 copies of this form concurrently with
                    either placing an order with a broker to execute sale or
                    executing a sale directly with a market maker.
  
  -------------------------------------------------------------------------------
  1. (a)  NAME OF ISSUER (Please type or print)     (b) IRS IDENT. NO.
  
          Advanced Neuromodulation Systems, Inc.        75-1646002
  -------------------------------------------------------------------------------
     (c)  S.E.C. FILE NO.
  
          0-10521
  -------------------------------------------------------------------------------
     (d)  ADDRESS OF ISSUER       STREET    CITY    STATE    ZIP CODE
  
          6501 Windcrest Drive    Plano    Texas    75024
  -------------------------------------------------------------------------------
     (e)  TELEPHONE               AREA CODE    NUMBERS
  
          972-309-8000
  -------------------------------------------------------------------------------
  2. (a)  NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD
  
          A. Ronald Lerner
  -------------------------------------------------------------------------------
     (b)  IRS IDENT. NO.                            (c) RELATIONSHIP TO ISSUER
  
          ###-##-####                                   Director
  -------------------------------------------------------------------------------
     (d)  ADDRESS                 STREET    CITY    STATE    ZIP CODE
  
          P.O. Box 11470          Bozeman    MT   59719
  -------------------------------------------------------------------------------
  INSTRUCTION: The person filing this notice should contact the issuer to obtain
  the I.R.S. Identification Number and the S.E.C. File Number.
  -------------------------------------------------------------------------------
  3. (a)  TITLE OF THE CLASS OF SECURITIES TO BE SOLD
  
          Common Stock, $0.05 Par Value
  -------------------------------------------------------------------------------
     (b)  NAME AND ADDRESS OF EACH BROKER TRHOUGH WHOM THE SECURITIES ARE TO BE
          OFFERED OR EACH MARKET MAKER WHO IS ACQUIRING THE SECURITIES
  
          Post Oak Capital Advisors
          4265 San Felipe Suite 1250
          Houston, TX  77027
  
  -------------------------------------------------------------------------------
  SEC USE ONLY      BROKER-DEALER FILE NUMBER
  
  
  -------------------------------------------------------------------------------
     (c)  NUMBER OF SHARES OR OTHER UNITS           (d) AGGREGATE MARKET
          TO BE SOLD                                    VALUE
          (See Instr. 3(c))                             (See Instr. 3(d))
  
           11,500                                        $500,250.00
  -------------------------------------------------------------------------------
     (e)  NUMBER OF SHARES OR OTHER UNITS           (f) APPROXIMATE DATE OF SALE
          OUTSTANDING                                   (See Instr. 3(f))
          (See Instr. 3(e))                             (MO.DAY YR.)
  
          12,730,278                                       05/05/03
  -------------------------------------------------------------------------------
     (g)  NAME OF EACH SECURITIES EXCHANGE
          (See Instr. 3(g))
  
          NASDAQ
  -------------------------------------------------------------------------------
  INSTRUCTIONS:
  1. (a)  Name of issuer
     (b)  Issuer's I.R.S. Identification Number
     (c)  Issuer's S.E.C. file
     (d)  Issuer's address, including zip code
     (e)  Issuers's telephone number, including area code
  
  2. (a)  Name of person for whose acount the securities are to be sold
     (b)  Such person's I.R.S. identification number, if such person is an entity
     (c)  Such person's relationship to the issuer (e.g., officer, director,
          10% stockholder, or member of immediate family of any of the foregoing)
     (d)  Such person's address, including zip code
  
  3. (a)  Title of the class of securities to be sold
     (b)  Name and address of each broker through whom the securities are
          intended to be sold
     (c)  Number of shares or other units to be sold (if debt securities, give
          the aggregate face amount)
     (d)  Aggregate market value of the securities to be sold as of a specified
          date within 10 days prior to the filing of this notice
     (e)  Number of shares or other units of the class outstanding, or if debt
          securities the face amount thereof outstanding, as shown by the most
          recent report or statement published by the issuer
     (f)  Approximate date on which the securities are to be sold
     (g)  Name of each securities exchange, if any, on which the securities are
          intended to be sold
  <PAGE>
                          TABLE I -- SECURITIES TO BE SOLD
     Furnish the following information with respect to the acquisition of the
     securities to be sold and with respect to the payment of all or any part
     of the purchase price or other consideration therefor:
  -------------------------------------------------------------------------------
     TITLE OF             DATE YOU                NATURE OF
     THE CLASS            ACQUIRED                ACQUISITION TRANSACTION
  
     Common Stock         06/31/96                Market Purchase
     $0.05 Par Value
  -------------------------------------------------------------------------------
     NAME OF PERSON FROM WHOM ACQUIRED            AMOUNT OF SECURITIES
     (If gift, also give date donor acquired)     ACQUIRED
  
                                                  11,500
  -------------------------------------------------------------------------------
     DATE OF PAYMENT                              NATURE OF PAYMENT
  
     06/31/96                                     Cash
  -------------------------------------------------------------------------------
  INSTRUCTIONS:
  1. If the securities  were  purchased    2. If within two years after the
     and full payment therefore was not       acquisition of the securities the
     made in cash at the time of purchase,    person for whose account they are
     explain in the table or in a note        to be sold had any short positions,
     thereto the nature of the considera-     put or other option to dispose of
     ation given. If the consideration        securities referred to in para-
     consisted of any note or other           graph (d)(3) of Rule 144, furnish
     obligation, or if payment was made       full information with respect
     in installmetns describe the arrange-    thereto.
     ment and state when the note or other
     obligation was discharged in full or
     the last installment paid.
  -------------------------------------------------------------------------------
                TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
     Furnish the following information as to all securities of the issuer sold
     during the past 3 months by the person for whose account the securities are
     to be sold
  -------------------------------------------------------------------------------
     NAME AND ADDRESS OF SELLER
  
  
  
  -------------------------------------------------------------------------------
     TITLE OF SECURITIES SOLD                     DATE OF SALE
  
  
  -------------------------------------------------------------------------------
     AMOUNT OF SECURITIES SOLD                    GROSS PROCEEDS
  
  
  -------------------------------------------------------------------------------
  REMARKS:
  
  
  
  
  INSTRUCTIONS:
  See the definition of "person" in paragraph (a) of Rule 144. Information is to
  be be given not only as to the person for whose account the securities are to be
  sold but also as to all other persons included in that definition. In addition,
  information shall be given as to sales by all persons whose sales are required
  paragraph (e) of Rule 144 to be aggregated with sales for the account of the
  person filing this notice.
  
                                   May 5, 2003
                             --------------------------
                                   DATE OF NOTICE
  
  ATTENTION:
  The person for whose account the securities to which this notice relates are to
  sold hereby represents by signing this notice that he does not know any material
  adverse information in regard to the current and prospective operations of the
  Issuer of the securities to be sold which has not been publicly disclosed.
  
  A. Ronald Lerner
  
  
  BY: /s/Linda Moses, Agent and Attorney-in-Fact for A. Ronald Lerner
  ---------------------------------------------------------------------------
  (SIGNATURE)
  
  The notice shall be signed by the person for whose account the
  securities are to be sold. At least one copy of the notice shall be manually
  signed. Any copies not manually signed shall bear typed or printed signatures.
  
  -------------------------------------------------------------------------------
  ATTENTION: Intentional misstatements or omission of facts constitute Federal
  Criminal Violations (See 18 U.S.C. 1001)
  -------------------------------------------------------------------------------
metadata_documents: [{"type": "144", "sequence": "1", "filename": "lerner144_050503.txt", "description": "FORM 144", "secsgml_size_bytes": 10174}]
text: UNITED STATES
     SECURITIES AND EXCHANGE COMMISSION
           Washington, D.C. 20549
                                                  OMB APPROVAL
                                                  -------------------------------
                  FORM 144                        OMB Number:        3235-0101
                                                  Expires:     August 31, 2003
                                                  Estimated average burden
                                                  hours per response.......2.0
       NOTICE OF PROPOSED SALE OF SECURITIES      -------------------------------
  PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
                                                            SEC USE ONLY
                                                            ---------------------
                                                            DCOUMENT SEQUENCE NO.
                                                            ---------------------
                                                            CUSIP NUMBER
                                                            ---------------------
                                                            WORK LOCATION
  
  ATTENTION:        Transmit for filing 3 copies of this form concurrently with
                    either placing an order with a broker to execute sale or
                    executing a sale directly with a market maker.
  
  -------------------------------------------------------------------------------
  1. (a)  NAME OF ISSUER (Please type or print)     (b) IRS IDENT. NO.
  
          Advanced Neuromodulation Systems, Inc.        75-1646002
  -------------------------------------------------------------------------------
     (c)  S.E.C. FILE NO.
  
          0-10521
  -------------------------------------------------------------------------------
     (d)  ADDRESS OF ISSUER       STREET    CITY    STATE    ZIP CODE
  
          6501 Windcrest Drive    Plano    Texas    75024
  -------------------------------------------------------------------------------
     (e)  TELEPHONE               AREA CODE    NUMBERS
  
          972-309-8000
  -------------------------------------------------------------------------------
  2. (a)  NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD
  
          A. Ronald Lerner
  -------------------------------------------------------------------------------
     (b)  IRS IDENT. NO.                            (c) RELATIONSHIP TO ISSUER
  
          ###-##-####                                   Director
  -------------------------------------------------------------------------------
     (d)  ADDRESS                 STREET    CITY    STATE    ZIP CODE
  
          P.O. Box 11470          Bozeman    MT   59719
  -------------------------------------------------------------------------------
  INSTRUCTION: The person filing this notice should contact the issuer to obtain
  the I.R.S. Identification Number and the S.E.C. File Number.
  -------------------------------------------------------------------------------
  3. (a)  TITLE OF THE CLASS OF SECURITIES TO BE SOLD
  
          Common Stock, $0.05 Par Value
  -------------------------------------------------------------------------------
     (b)  NAME AND ADDRESS OF EACH BROKER TRHOUGH WHOM THE SECURITIES ARE TO BE
          OFFERED OR EACH MARKET MAKER WHO IS ACQUIRING THE SECURITIES
  
          Post Oak Capital Advisors
          4265 San Felipe Suite 1250
          Houston, TX  77027
  
  -------------------------------------------------------------------------------
  SEC USE ONLY      BROKER-DEALER FILE NUMBER
  
  -------------------------------------------------------------------------------
     (c)  NUMBER OF SHARES OR OTHER UNITS           (d) AGGREGATE MARKET
          TO BE SOLD                                    VALUE
          (See Instr. 3(c))                             (See Instr. 3(d))
  
           11,500                                        $500,250.00
  -------------------------------------------------------------------------------
     (e)  NUMBER OF SHARES OR OTHER UNITS           (f) APPROXIMATE DATE OF SALE
          OUTSTANDING                                   (See Instr. 3(f))
          (See Instr. 3(e))                             (MO.DAY YR.)
  
          12,730,278                                       05/05/03
  -------------------------------------------------------------------------------
     (g)  NAME OF EACH SECURITIES EXCHANGE
          (See Instr. 3(g))
  
          NASDAQ
  -------------------------------------------------------------------------------
  INSTRUCTIONS:
  1. (a)  Name of issuer
     (b)  Issuer's I.R.S. Identification Number
     (c)  Issuer's S.E.C. file
     (d)  Issuer's address, including zip code
     (e)  Issuers's telephone number, including area code
  
  2. (a)  Name of person for whose acount the securities are to be sold
     (b)  Such person's I.R.S. identification number, if such person is an entity
     (c)  Such person's relationship to the issuer (e.g., officer, director,
          10% stockholder, or member of immediate family of any of the foregoing)
     (d)  Such person's address, including zip code
  
  3. (a)  Title of the class of securities to be sold
     (b)  Name and address of each broker through whom the securities are
          intended to be sold
     (c)  Number of shares or other units to be sold (if debt securities, give
          the aggregate face amount)
     (d)  Aggregate market value of the securities to be sold as of a specified
          date within 10 days prior to the filing of this notice
     (e)  Number of shares or other units of the class outstanding, or if debt
          securities the face amount thereof outstanding, as shown by the most
          recent report or statement published by the issuer
     (f)  Approximate date on which the securities are to be sold
     (g)  Name of each securities exchange, if any, on which the securities are
          intended to be sold
  TABLE I -- SECURITIES TO BE SOLD
     Furnish the following information with respect to the acquisition of the
     securities to be sold and with respect to the payment of all or any part
     of the purchase price or other consideration therefor:
  -------------------------------------------------------------------------------
     TITLE OF             DATE YOU                NATURE OF
     THE CLASS            ACQUIRED                ACQUISITION TRANSACTION
  
     Common Stock         06/31/96                Market Purchase
     $0.05 Par Value
  -------------------------------------------------------------------------------
     NAME OF PERSON FROM WHOM ACQUIRED            AMOUNT OF SECURITIES
     (If gift, also give date donor acquired)     ACQUIRED
  
                                                  11,500
  -------------------------------------------------------------------------------
     DATE OF PAYMENT                              NATURE OF PAYMENT
  
     06/31/96                                     Cash
  -------------------------------------------------------------------------------
  INSTRUCTIONS:
  1. If the securities  were  purchased    2. If within two years after the
     and full payment therefore was not       acquisition of the securities the
     made in cash at the time of purchase,    person for whose account they are
     explain in the table or in a note        to be sold had any short positions,
     thereto the nature of the considera-     put or other option to dispose of
     ation given. If the consideration        securities referred to in para-
     consisted of any note or other           graph (d)(3) of Rule 144, furnish
     obligation, or if payment was made       full information with respect
     in installmetns describe the arrange-    thereto.
     ment and state when the note or other
     obligation was discharged in full or
     the last installment paid.
  -------------------------------------------------------------------------------
                TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
     Furnish the following information as to all securities of the issuer sold
     during the past 3 months by the person for whose account the securities are
     to be sold
  -------------------------------------------------------------------------------
     NAME AND ADDRESS OF SELLER
  
  -------------------------------------------------------------------------------
     TITLE OF SECURITIES SOLD                     DATE OF SALE
  
  -------------------------------------------------------------------------------
     AMOUNT OF SECURITIES SOLD                    GROSS PROCEEDS
  
  -------------------------------------------------------------------------------
  REMARKS:
  
  INSTRUCTIONS:
  See the definition of "person" in paragraph (a) of Rule 144. Information is to
  be be given not only as to the person for whose account the securities are to be
  sold but also as to all other persons included in that definition. In addition,
  information shall be given as to sales by all persons whose sales are required
  paragraph (e) of Rule 144 to be aggregated with sales for the account of the
  person filing this notice.
  
                                   May 5, 2003
                             --------------------------
                                   DATE OF NOTICE
  
  ATTENTION:
  The person for whose account the securities to which this notice relates are to
  sold hereby represents by signing this notice that he does not know any material
  adverse information in regard to the current and prospective operations of the
  Issuer of the securities to be sold which has not been publicly disclosed.
  
  A. Ronald Lerner
  
  BY: /s/Linda Moses, Agent and Attorney-in-Fact for A. Ronald Lerner
  ---------------------------------------------------------------------------
  (SIGNATURE)
  
  The notice shall be signed by the person for whose account the
  securities are to be sold. At least one copy of the notice shall be manually
  signed. Any copies not manually signed shall bear typed or printed signatures.
  
  -------------------------------------------------------------------------------
  ATTENTION: Intentional misstatements or omission of facts constitute Federal
  Criminal Violations (See 18 U.S.C. 1001)
  -------------------------------------------------------------------------------