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)*

                                  Hologic, Inc.
                                (Name of Issuer)

                          Common Stock, par value $.01
                         (Title of Class of Securities)


                                    436440101
                                 (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. 436440101                 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
                     15,741,300
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    15,741,300
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            15,741,300
-----------------------------------------------------------------------------
     (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)
           6.09%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           PN
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    15,741,300
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    15,741,300
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            15,741,300
-----------------------------------------------------------------------------
     (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)
           6.09%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited liability company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    9,318,651
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    9,318,651
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            9,318,651
-----------------------------------------------------------------------------
     (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)
           3.61%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    9,318,651
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    9,318,651
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            9,318,651
-----------------------------------------------------------------------------
     (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)
           3.61%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    9,318,651
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    9,318,651
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            9,318,651
-----------------------------------------------------------------------------
     (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)
           3.61%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    2,147,750
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,147,750
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            2,147,750
-----------------------------------------------------------------------------
     (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)
           0.83%
-----------------------------------------------------------------------------
(12)       TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    2,147,750
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,147,750
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            2,147,750
-----------------------------------------------------------------------------
     (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)
           0.83%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    2,147,750
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,147,750
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
           2,147,750
-----------------------------------------------------------------------------
     (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)
           0.83%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    15,741,300
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    15,741,300
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            15,741,300
-----------------------------------------------------------------------------
     (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)
           6.09%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           OO - limited liability company
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    4,274,899
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    4,274,899
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            4,274,899
-----------------------------------------------------------------------------
     (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)
           1.65%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           PN
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    4,274,899
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    4,274,899
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            4,274,899
-----------------------------------------------------------------------------
     (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)
           1.65%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           PN
-----------------------------------------------------------------------------





CUSIP No. 436440101                 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
                    15,741,300
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    15,741,300
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            15,741,300
-----------------------------------------------------------------------------
     (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)
           6.09%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           IN
-----------------------------------------------------------------------------





CUSIP No. 436440101                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
                    15,741,300
OWNED BY       --------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    15,741,300
-----------------------------------------------------------------------------
     (9)   AGGREGATE AMOUNT BENEFICIALLY OWNED
           BY EACH REPORTING PERSON
            15,741,300
-----------------------------------------------------------------------------
     (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)
           6.09%
-----------------------------------------------------------------------------
     (12)  TYPE OF REPORTING PERSON (see instructions)
           IN
-----------------------------------------------------------------------------





CUSIP No. 436440101                  13G/A                 Page 15 of 20 Pages


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

Item 1(b).     Address of Issuer's Principal Executive Offices:
               35 Crosby Drive
               Bedford, Massachusetts  01730


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. 436440101                  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 $.01 (the
            "Common Stock")

Item 2(e).  CUSIP Number:  436440101


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.

               Collectively, HealthCor, L.P., Healthcor Offshore Master Fund,
               L.P. and HealthCor Hybrid Offshore Master Fund, L.P. (each a
               "Fund" and together, the "Funds") are the beneficial owners of a
               total of 15,741,300 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. 436440101                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 [ ].

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. 436440101              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. 436440101              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. 436440101              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
                                    -----------------------------------