SECURITIES & EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------

                                 SCHEDULE 13G/A
                                 (Rule 13d-102)

             INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED
                              PURSUANT TO 13d-2(b)

                               (Amendment No. 2)*

                                  Affymax, Inc.
                                (Name of Issuer)

                          Common Stock, par value $.001
                         (Title of Class of Securities)


                                    00826A109
                                 (CUSIP Number)


                                December 31, 2009
             (Date of Event Which Requires Filing of this Statement)


     Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

     [ ]  Rule 13d-1(b)
     [x]  Rule 13d-1(c)
     [ ]  Rule 13d-1(d)





                           (Page 1 of 20 Pages)
---------------
     *The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act
of 1934 ("Act") or otherwise subject to the liabilities of that section of the
Act but shall be subject to all other provisions of the Act (however, see the
Notes).








CUSIP No. 00826A109                 13G/A                Page 2 of 20 Pages


-----------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            HealthCor Management, L.P.

-----------------------------------------------------------------------------
     (2)    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                          (see instructions)
                                                                  (a) [X]
                                                                  (b) [ ]
-----------------------------------------------------------------------------
     (3)    SEC USE ONLY
-----------------------------------------------------------------------------
     (4)    CITIZENSHIP OR PLACE OF ORGANIZATION
            Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)    AGGREGATE AMOUNT BENEFICIALLY OWNED
            BY EACH REPORTING PERSON
            0
-----------------------------------------------------------------------------
     (10)   CHECK BOX IF THE AGGREGATE AMOUNT
            IN ROW (9) EXCLUDES CERTAIN SHARES(see instructions)       [ ]
-----------------------------------------------------------------------------
     (11)   PERCENT OF CLASS REPRESENTED
            BY AMOUNT IN ROW (9)
            0%
-----------------------------------------------------------------------------
     (12)   TYPE OF REPORTING PERSON (see instructions)
            PN
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 3 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Associates, LLC

-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                         (see instructions)
                                                                  (a) [X]
                                                                  (b) [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES(see instructions)            [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited liability company
-----------------------------------------------------------------------------





CUSIP No. 00826A109                 13G/A                Page 4 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Offshore, Ltd.


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions) [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 5 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Offshore Master Fund, L.P.

-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)       [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 6 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Offshore GP, LLC


-----------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
      (3) SEC USE ONLY
-----------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------






CUSIP No. 00826A109                 13G/A                Page 7 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Hybrid Offshore, Ltd.


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 8 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Hybrid Offshore Master Fund, L.P.


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 9 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Hybrid Offshore GP, LLC


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 10 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Group, LLC


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited liability company
-----------------------------------------------------------------------------






CUSIP No. 00826A109                 13G/A                Page 11 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor Capital, L.P.


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           PN
-----------------------------------------------------------------------------





CUSIP No. 00826A109                 13G/A                Page 12 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           HealthCor, L.P.


-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           Delaware
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
(12)       TYPE OF REPORTING PERSON (see instructions)
           PN
-----------------------------------------------------------------------------







CUSIP No. 00826A109                 13G/A                Page 13 of 20 Pages


-----------------------------------------------------------------------------
     (1)   NAMES OF REPORTING PERSONS
           Arthur Cohen

-----------------------------------------------------------------------------
     (2)   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)   SEC USE ONLY
-----------------------------------------------------------------------------
     (4)   CITIZENSHIP OR PLACE OF ORGANIZATION
           United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           0
-----------------------------------------------------------------------------
     (10)  CHECK BOX IF THE AGGREGATE AMOUNT
           IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11)  PERCENT OF CLASS REPRESENTED
           BY AMOUNT IN ROW (9)
           0%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           IN
-----------------------------------------------------------------------------







CUSIP No. 00826A109                13G/A                Page 14 of 20 Pages


-----------------------------------------------------------------------------
     (1)  NAMES OF REPORTING PERSONS
          Joseph Healey


-----------------------------------------------------------------------------
     (2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP(see instructions)
                                                                  (a)  [X]
                                                                  (b)  [ ]
-----------------------------------------------------------------------------
     (3)  SEC USE ONLY
-----------------------------------------------------------------------------
     (4)  CITIZENSHIP OR PLACE OF ORGANIZATION
          United States
-----------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0
SHARES         --------------------------------------------------------------

BENEFICIALLY   (6)  SHARED VOTING POWER
                    0
OWNED BY       --------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0
REPORTING      --------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    0
-----------------------------------------------------------------------------
     (9)  AGGREGATE AMOUNT BENEFICIALLY OWNED
          BY EACH REPORTING PERSON
          0
-----------------------------------------------------------------------------
     (10) CHECK BOX IF THE AGGREGATE AMOUNT
          IN ROW (9) EXCLUDES CERTAIN SHARES (see instructions)        [ ]
-----------------------------------------------------------------------------
     (11) PERCENT OF CLASS REPRESENTED
          BY AMOUNT IN ROW (9)
          0%
-----------------------------------------------------------------------------
     (12) TYPE OF REPORTING PERSON (see instructions)
          IN
-----------------------------------------------------------------------------







CUSIP No. 00826A109                  13G/A                 Page 15 of 20 Pages


Item 1(a).     Name of Issuer:
               Affymax, Inc.

Item 1(b).     Address of Issuer's Principal Executive Offices:
               4001 Miranda Avenue
               Palo Alto, CA 94304


Item 2(a, b, c).     Name of Person Filing:

                    (i) HealthCor Management, L.P., a Delaware limited
                    partnership; Carnegie Hall Tower, 152 West 57th Street, 47th
                    Floor, New York, New York 10019;

                    (ii) HealthCor Associates, LLC, a Delaware limited liability
                    company, Carnegie Hall Tower, 152 West 57th Street, 47th
                    Floor, New York, New York 10019;

                    (iii) HealthCor Offshore, Ltd., a Cayman Islands limited
                    company, Carnegie Hall Tower, 152 West 57th Street, 47th
                    Floor, New York, New York 10019;

                    (iv) HealthCor Offshore Master Fund, L.P., a Cayman Islands
                    limited partnership, Carnegie Hall Tower, 152 West 57th
                    Street, 47th Floor, New York, New York 10019;

                    (v) HealthCor Offshore GP, LLC, a Delaware limited liability
                    company, Carnegie Hall Tower, 152 West 57th Street, 47th
                    Floor, New York, New York 10019;

                    (vi) HealthCor Hybrid Offshore, Ltd., a Cayman Islands
                    limited company, Carnegie Hall Tower, 152 West 57th Street,
                    47th Floor, New York, New York 10019;

                    (vii) HealthCor Hybrid Offshore Master Fund, L.P., a Cayman
                    Islands limited partnership, Carnegie Hall Tower, 152 West
                    57th Street, 47th Floor, New York, New York 10019;

                    (viii) HealthCor Hybrid Offshore GP, LLC, a Delaware limited
                    liability company, Carnegie Hall Tower, 152 West 57th
                    Street, 47th Floor, New York, New York 10019;

                    (ix) HealthCor Group, LLC, a Delaware limited liability
                    company, Carnegie Hall Tower, 152 West 57th Street, 47th
                    Floor, New York, New York 10019;

                    (x) HealthCor Capital, L.P., a Delaware limited partnership,
                    Carnegie Hall Tower, 152 West 57th Street, 47th Floor, New
                    York, New York 10019;

                    (xi) HealthCor, L.P., a Delaware limited partnership,
                    Carnegie Hall Tower, 152 West 57th Street, 47th Floor, New
                    York, New York 10019;



CUSIP No. 00826A109                  13G/A                 Page 16 of 20 Pages


                    (xii) Joseph Healey; Carnegie Hall Tower, 152 West 57th
                    Street, 47th Floor, New York, New York 10019; and

                    (xiii) Arthur Cohen, 12 South Main Street, #203 Norwalk, Ct
                    06854.

                    Both Mr. Healey and Mr. Cohen are United States citizens.

                    The persons at (i) through (xiii) above are collectively
                    referred to herein as the "Reporting Persons".


Item 2(d).  Title of Class of Securities: Common Stock, par value $.001 (the
            "Common Stock")

Item 2(e).  CUSIP Number:  00826A109


Item 3.     Not applicable.

Item 4.   Ownership.

                    The information required by Items 4(a) - (c) is set forth in
                    Rows 5 - 11 of the cover page for each Reporting Person
                    hereto and is incorporated herein by reference for each such
                    Reporting Person.

                    HealthCor, L.P., Healthcor Offshore Master Fund, L.P. and
                    HealthCor Hybrid Offshore Master Fund, L.P. (each a "Fund"
                    and together, the "Funds") no longer beneficially own any
                    shares of the Common Stock of the Issuer. By virtue of their
                    position as feeder funds, HealthCor Offshore, Ltd. and
                    HealthCor Hybrid Offshore, Ltd. may be deemed beneficial
                    owners of the shares of Common Stock owned by HealthCor
                    Offshore Master Fund, L.P., and HealthCor Hybrid Offshore
                    Master Fund, L.P., respectively.

                    HealthCor Offshore GP, LLC is the general partner of
                    HealthCor Offshore Master Fund, L.P. Accordingly, HealthCor
                    Offshore GP, LLC may be deemed to beneficially own the
                    shares of Common Stock that are beneficially owned by
                    HealthCor Offshore Master Fund, L.P. HealthCor Group, LLC is
                    the general partner of HealthCor Offshore GP, LLC and,
                    therefore, may be deemed to beneficially own the shares of
                    Common Stock that are beneficially owned by HealthCor
                    Offshore Master Fund, L.P.

                    HealthCor Hybrid Offshore GP, LLC is the general partner of
                    HealthCor Hybrid Offshore Master Fund, L.P. Accordingly,
                    HealthCor Hybrid Offshore GP, LLC may be deemed to
                    beneficially own the shares of Common Stock that are
                    beneficially owned by HealthCor Hybrid Offshore Master Fund,
                    L.P. HealthCor Group, LLC is the general partner of
                    HealthCor Hybrid Offshore GP, LLC and, therefore, may be
                    deemed to beneficially own the shares of Common Stock that
                    are beneficially owned by HealthCor Hybrid Offshore Master
                    Fund, L.P.




CUSIP No. 00826A109                13G/A                Page 17 of 20 Pages


                    By virtue of its position as the investment manager of the
                    Funds, HealthCor Management, L.P. may be deemed a beneficial
                    owner of all the shares of Common Stock owned by the Funds.
                    HealthCor Associates, LLC is the general partner of
                    HealthCor Management, L.P. and thus may also be deemed to
                    beneficially own the shares of Common Stock that are
                    beneficially owned by the Funds.

                    HealthCor Group LLC is the general partner of HealthCor
                    Capital, L.P., which is in turn the general partner of
                    HealthCor, L.P. Accordingly, each of HealthCor Capital L.P.
                    and HealthCor Group, LLC may be deemed to beneficially own
                    the shares of Common Stock that are beneficially owned by
                    HealthCor, L.P.

                    As the Managers of HealthCor Associates, LLC, Arthur Cohen
                    and Joseph Healey exercise both voting and investment power
                    with respect to the shares of Common Stock reported herein,
                    and therefore each may be deemed a beneficial owner of such
                    Common Stock.

                    Each of the Reporting Persons hereby disclaims any
                    beneficial ownership of any such Shares in excess of their
                    actual pecuniary interest therein.


Item 5.   Ownership of Five Percent or Less of a Class:

                    If this statement is being filed to report the fact that as
                    of the date hereof the reporting person has ceased to be the
                    beneficial owner of more than five percent of the class of
                    securities, check the following [X].

Item 6.             Ownership of More than Five Percent on Behalf of Another
                    Person.  Not Applicable

Item 7.             Identification and Classification of the Subsidiary Which
                    Acquired the Security Being Reported on by the Parent
                    Holding Company.  Not Applicable

Item 8.             Identification and Classification of Members of the Group.
                    Not Applicable

Item 9.             Notice of Dissolution of Group.
                    Not Applicable



CUSIP No. 00826A109              13G/A                Page 18 of 20 Pages


Item 10.  Certification.

                    By signing below I certify that, to the best of my knowledge
                    and belief, the securities referred to above were not
                    acquired and are not held for the purpose of or with the
                    effect of changing or influencing the control of the issuer
                    of the securities and were not acquired and are not held in
                    connection with or as a participant in any transaction
                    having that purpose or effect.

Exhibits:

Exhibit I: Joint Acquisition Statement, dated as of February 12, 2010.






CUSIP No. 00826A109              13G/A                Page 19 of 20 Pages

                                 SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.

DATED:  February 12, 2010

                  HEALTHCOR MANAGEMENT, L.P., for itself and
                  as manager on behalf of (i) HEALTHCOR OFFSHORE, LTD.
                  and (ii) HEALTHCOR HYBRID OFFSHORE, LTD.

                      By: HealthCor Associates, LLC, its general partner

                      By: /s/ John H. Coghlin
                      -------------------------------------
                      Name: John H. Coghlin
                      Title: General Counsel

                  HEALTHCOR CAPITAL, L.P., for itself and as general partner on
                  behalf of HEALTHCOR L.P.

                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                          -------------------------------------
                          Name: John H. Coghlin
                          Title: General Counsel

                  HEALTHCOR OFFSHORE GP, LLC, for itself and as general partner
                  of behalf of HEALTHCOR OFFSHORE MASTER FUND, L.P.


                      By:  HealthCor Group, LLC, its general partner

                      By:  /s/ John H. Coghlin
                           -------------------------------------
                           Name:  John H. Coghlin
                           Title:  General Counsel

                  HEALTHCOR HYBRID OFFSHORE GP, LLC, for itself and as general
                  partner of behalf of HEALTHCOR HYBRID OFFSHORE MASTER FUND,
                  L.P.


                           By: HealthCor Group, LLC, its general partner

                           By: /s/ John H. Coghlin
                               -------------------------------------
                               Name:  John H. Coghlin
                               Title:  General Counsel

                  HEALTHCOR ASSOCIATES, LLC

                           By: /s/ John H. Coghlin
                               -------------------------------------
                               Name: John H. Coghlin
                               Title: General Counsel




CUSIP No. 00826A109              13G/A                Page 20 of 20 Pages


                  HEALTHCOR GROUP, LLC

                            By: /s/ John H. Coghlin
                                -------------------------------------
                                Name: John H. Coghlin
                                Title: General Counsel

                  JOSEPH HEALEY, Individually

                                /s/ Joseph Healey
                                -----------------------------------

                  ARTHUR COHEN, Individually

                                /s/ Arthur Cohen
                                -----------------------------------






                                    EXHIBIT 1

              JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k)

     The undersigned acknowledge and agree that the foregoing statement on
Schedule 13G/A is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement on Schedule 13G/A shall be filed on
behalf of each of the undersigned without the necessity of filing additional
joint acquisition statements. The undersigned acknowledge that each shall be
responsible for the completeness and accuracy of the information concerning the
others, except to the extent that he or it knows or has reason to believe that
such information is inaccurate.

Dated:   February 12, 2010


                  HEALTHCOR MANAGEMENT, L.P., for itself and
                  as manager on behalf of (i) HEALTHCOR OFFSHORE, LTD.
                  and (ii) HEALTHCOR HYBRID OFFSHORE, LTD.

                      By: HealthCor Associates, LLC, its general partner

                      By: /s/ John H. Coghlin
                      -------------------------------------
                      Name: John H. Coghlin
                      Title: General Counsel

                  HEALTHCOR CAPITAL, L.P., for itself and as general partner on
                  behalf of HEALTHCOR L.P.

                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                          -------------------------------------
                          Name: John H. Coghlin
                          Title: General Counsel

                  HEALTHCOR OFFSHORE GP, LLC, for itself and as general partner
                  of behalf of HEALTHCOR OFFSHORE MASTER FUND, L.P.


                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                          -------------------------------------
                          Name:  John H. Coghlin
                          Title:  General Counsel

                  HEALTHCOR HYBRID OFFSHORE GP, LLC, for itself and as general
                  partner of behalf of HEALTHCOR HYBRID OFFSHORE MASTER FUND,
                  L.P.


                      By: HealthCor Group, LLC, its general partner

                      By: /s/ John H. Coghlin
                          -------------------------------------
                          Name:  John H. Coghlin
                          Title:  General Counsel



                  HEALTHCOR ASSOCIATES, LLC

                      By: /s/ John H. Coghlin
                          -------------------------------------
                          Name: John H. Coghlin
                          Title: General Counsel

                  HEALTHCOR GROUP, LLC

                      By: /s/ John H. Coghlin
                          -------------------------------------
                          Name: John H. Coghlin
                          Title: General Counsel

                   JOSEPH HEALEY, Individually

                         /s/ Joseph Healey
                         -----------------------------------

                    ARTHUR COHEN, Individually

                         /s/ Arthur Cohen
                         -----------------------------------