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

                                 SCHEDULE 13G
                                (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 RULE 13d-2

                               (Amendment No.4)*

                                 eHealth, Inc.
                                (Name of Issuer)

                    Common Stock, $.001 Par Value Per Share
                         (Title of Class of Securities)


                                   28238P109
                                 (CUSIP Number)


                               December 31, 2012
            (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 17 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.28238P109                    13G                     Page 2 of 17 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
                    2,287,381
OWNED BY       -----------------------------------------------------------------

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

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,287,381
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,287,381
--------------------------------------------------------------------------------
     (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)
             11.29%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             PN
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 3 of 17 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
                    2,287,381
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,287,381
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,287,381
--------------------------------------------------------------------------------
     (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)
             11.29%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 4 of 17 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
                    2,248,145
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,248,145
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,248,145
--------------------------------------------------------------------------------
     (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)
             11.10%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             PN
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 5 of 17 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
            Delaware
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER
                    0

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

BENEFICIALLY   (6)  SHARED VOTING POWER
                    2,248,145
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,248,145
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,248,145
--------------------------------------------------------------------------------
     (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)
             11.10%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 6 of 17 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)
             0.00%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             PN
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 7 of 17 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
            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)
             0.00%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 8 of 17 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
                    2,287,381
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,287,381
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,287,381
--------------------------------------------------------------------------------
     (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)
             11.29%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                     Page 9 of 17 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
                    2,287,381
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,287,381
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,287,381
--------------------------------------------------------------------------------
     (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)
             11.29%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             IN
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                    Page 10 of 17 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
                    2,287,381
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    2,287,381
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             2,287,381
--------------------------------------------------------------------------------
     (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)
             11.29%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             IN
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                    Page 11 of 17 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            HealthCor Long 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
                    39,236
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    39,236
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             39,236
--------------------------------------------------------------------------------
     (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)
             0.19%
--------------------------------------------------------------------------------
        (12) TYPE OF REPORTING PERSON (see instructions)
             PN
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                    Page 12 of 17 Pages

--------------------------------------------------------------------------------
     (1)    NAMES OF REPORTING PERSONS
            HealthCor Long Master 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
            Delaware
--------------------------------------------------------------------------------
NUMBER OF      (5)  SOLE VOTING POWER

                    0

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

BENEFICIALLY   (6)  SHARED VOTING POWER
                    39,236
OWNED BY       -----------------------------------------------------------------

EACH           (7)  SOLE DISPOSITIVE POWER
                    0

REPORTING      -----------------------------------------------------------------

PERSON WITH    (8)  SHARED DISPOSITIVE POWER
                    39,236
--------------------------------------------------------------------------------
     (9)     AGGREGATE AMOUNT BENEFICIALLY OWNED
             BY EACH REPORTING PERSON
             39,236
--------------------------------------------------------------------------------
     (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)
             0.19%
--------------------------------------------------------------------------------
     (12)    TYPE OF REPORTING PERSON (see instructions)
             OO - limited liability company
--------------------------------------------------------------------------------



CUSIP No. 28238P109                   13G                    Page 13 of 17 Pages


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

Item 1(b).  Address of Issuer's Principal Executive Offices:
            440 East Middlefield Road, Mountain View, CA 94043

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, 43rd Floor, New York, New
            York 10019;

            (ii)   HealthCor  Associates,  LLC,  a  Delaware  limited  liability
            company,  Carnegie Hall Tower, 152 West 57th Street, 43rd Floor, New
            York, New York 10019;

            (iii) HealthCor Offshore Master Fund, L.P., a Cayman Islands limited
            partnership,  Carnegie Hall Tower, 152 West 57th Street, 43rd Floor,
            New York, New York 10019;

            (iv)  HealthCor  Offshore  GP,  LLC,  a  Delaware  limited liability
            company,  Carnegie Hall Tower, 152 West 57th Street, 43rd Floor, New
            York, New York 10019;

            (v)  HealthCor  Hybrid  Offshore Master Fund, L.P., a Cayman Islands
            limited partnership, Carnegie Hall Tower, 152 West 57th Street, 43rd
            Floor, New York, New York 10019;

            (vi) HealthCor Hybrid Offshore GP, LLC, a Delaware limited liability
            company,  Carnegie Hall Tower, 152 West 57th Street, 43rd Floor, New
            York, New York 10019;

            (vii)  HealthCor  Group,  LLC, a Delaware limited liability company,
            Carnegie Hall Tower, 152 West 57th Street, 43rd Floor, New York, New
            York 10019;

            (viii)  Joseph  Healey,  Carnegie  Hall Tower, 152 West 57th Street,
            43rd Floor, New York, New York 10019;

            (ix) Arthur Cohen, 12 South Main Street, #203 Norwalk, Ct 06854;

            (x)  HealthCor  Long  Offshore  Master  Fund, L.P., a Cayman Islands
            limited partnership, Carnegie Hall Tower, 152 West 57th Street, 43rd
            Floor, New York, New York 10019; and

            (xi)  HealthCor  Long  Master GP, LLC., a Delaware limited liability
            company,  Carnegie Hall Tower, 152 West 57th Street, 43rd Floor, New
            York, New York 10019.

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

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



CUSIP No. 28238P109                   13G                    Page 14 of 17 Pages

Item 2(d). Title of Class of Securities: Common Stock, $.001 Par Value Per Share
           (the "Common Stock")

Item 2(e). CUSIP Number:  28238P109

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 Offshore Master Fund, L.P., HealthCor Hybrid
            Offshore Master Fund, L.P., and HealthCor Long Offshore Master Fund,
            L.P.  (each  a  "Fund" and together, the "Funds") are the beneficial
            owners  of  a  total  of 2,287,381 shares of the Common Stock of the
            Issuer.

            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.

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

            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.



CUSIP No. 28238P109                   13G                    Page 15 of 17 Pages

            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  of Common Stock 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.
            See Exhibit I.

Item 9.     Notice of Dissolution of Group.
            Not Applicable

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 13, 2013.



CUSIP No. 28238P109                   13G                    Page 16 of 17 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 13, 2013

       HEALTHCOR MANAGEMENT, L.P.

                      By: HealthCor Associates, 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



CUSIP No. 28238P109                   13G                    Page 17 of 17 Pages

       HEALTHCOR LONG MASTER GP, LLC, for itself and as general partner of
       behalf of HEALTHCOR LONG 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. 7Coghlin
                      -------------------------------------
                      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
                      -----------------------------------



                                   EXHIBIT 1

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

      The  undersigned  acknowledge  and  agree  that the foregoing statement on
Schedule  13G  is  filed  on  behalf  of  each  of  the undersigned and that all
subsequent amendments to this statement on Schedule 13G 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 timely filing of such amendments, and for the completeness
and  accuracy  of  the  information  concerning him or it contained therein, but
shall  not  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 13, 2013


       HEALTHCOR MANAGEMENT, L.P.

                      By: HealthCor Associates, 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 LONG MASTER GP, LLC, for itself and as general partner  of
       behalf  of  HEALTHCOR  LONG 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
                                -----------------------------------