SECURITES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

                 INFORMATION TO BE INCLUDED IN STATEMENTS FILED
               PURSUANT TO RULES 13(d), (c) AND (d) AND AMENDMENTS
                     THERETO FILED PURSAUNT TO RULE 13d-2(b)
                                (Amendment No. )*

                            INTUITIVE SURGICAL, INC.
                            ------------------------
                                (Name of Issuer)

                         Common Stock, Par Value $0.001
                         ------------------------------
                         (Title of Class of Securities)

                                    46120E107
                                 --------------
                                 (CUSIP Number)

                                February 14, 2001
                                -----------------
                      (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)
                                [_] Rule 13d-1(c)
                                [X] Rule 13d-1(d)

*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 disclosure
provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose 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).

                               Page 1 of 10 Pages
                              Exhibit Index: Page 9



                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 2  of  Pages 10




(1)      Name of Reporting Person
         IRS Identification No. of Above Persons (ENTITIES ONLY)

         HILLENBRAND INDUSTRIES, INC.       IRS Identification No. 35-1160484

(2)      Check the Appropriate Box If a Member Of a Group*

                  a.       [__]
                  b.       [__]

(3)      SEC Use Only

(4)      Citizenship or Place of Organization

                  State of Indiana

         Number                     (5)     Sole Voting Power
         of
         Shares                     (6)     Shared Voting Power
         Beneficially                                2,540,454
         Owned by                   (7)     Sole Dispositive Power
         Each Reporting
         Person                     (8)     Shared Dispositive Power
         With                                        2,540,454


(9)      Aggregate Amount Beneficially Owned by Each Reporting Person: 2,540,454

(10)     Check  Box  If  the  Aggregate  Amount  in  Row  (9)  Excludes  Certain
         Shares*:   [__]

(11)     Percent of Class Represented By Amount in Row (9):       7.1%
                                                           -------------------
(12)     Type of Reporting Person*          CO


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 3  of  Pages 10


(1)      Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

         FORETHOUGHT LIFE INSURANCE COMPANY
                                            IRS Identification No.    06-1016329

(2)      Check the Appropriate Box If a Member Of a Group*

                  a.       [__]
                  b.       [__]

(3)      SEC Use Only

(4)      Citizenship or Place of Organization

                  State of Indiana

         Number                     (5)     Sole Voting Power
         of
         Shares                     (6)     Shared Voting Power
         Beneficially                                252,954
         Owned by                   (7)     Sole Dispositive Power
         Each Reporting
         Person                     (8)     Shared Dispositive Power
         With                                        252,954

(9)      Aggregate Amount Beneficially Owned by Each Reporting Person: 252,954

(10)     Check  Box  If  the  Aggregate  Amount  in  Row  (9)  Excludes  Certain
         Shares*:   [__]

(11)     Percent of Class Represented By Amount in Row (9):       0.7%
                                                           -------------------
(12)     Type of Reporting Person*          IC


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!



                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 4  of  Pages 10




(1)      Name of Reporting Person
         I.R.S. Identification No. of Above Persons (ENTITIES ONLY)

         PaTMark Company, Inc.             IRS Identification No.     51-0335495

(2)      Check the Appropriate Box If a Member Of a Group*

                  a.       [__]
                  b.       [__]

(3)      SEC Use Only

(4)      Citizenship or Place of Organization

                  State of Delaware

         Number                     (5)     Sole Voting Power
         of
         Shares                     (6)     Shared Voting Power
         Beneficially                                2,287,500
         Owned by                   (7)     Sole Dispositive Power
         Each Reporting
         Person                     (8)     Shared Dispositive Power
         With                                        2,287,500


(9)      Aggregate Amount Beneficially Owned by Each Reporting Person: 2,287,500

(10)     Check  Box  If  the  Aggregate  Amount  in  Row  (9)  Excludes  Certain
         Shares*:   [__]

(11)     Percent of Class Represented By Amount in Row (9):         6.4%
                                                           -------------------

(12)     Type of Reporting Person*          CO


                      *SEE INSTRUCTIONS BEFORE FILLING OUT!




                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 5  of  Pages 10

Item 1(a).        Name of Issuer:

                  INTUITIVE SURGICAL, INC. (the "Issuer")

Item 1(b).        Address of the Issuer's Principal Executive Offices:

                  1340 West Middlefield Road, Mountain View, California 94043

Item 2(a).        Name of Person Filing:

                  This  statement  is filed on behalf  of each of the  following
                  persons (collectively, the "Reporting Persons"):

                  (i)      Hillenbrand  Industries, Inc., an Indiana corporation
                           ("Hillenbrand")

                  (ii)     Forethought  Life  Insurance Company, an Indiana life
                           insurance company ("Forethought")

                  (iii)    PaTMark  Company,  Inc.,   a   Delaware   corporation
                           ("PaTMark")

                  This   Statement   relates  to  the  252,954  Shares  held  by
                  Forethought  and  2,287,500  Shares held by  PaTMark.  Each of
                  PaTMark and Forethought is an indirect wholly-owned subsidiary
                  of Hillenbrand.

Item 2(b).        Address of Principal Business Office or, if None, Residence:

                  The address and principal  business  office of  Hillenbrand is
                  700 State Road 46 East, Batesville, Indiana 47006

                  The  address  and  principal business office of Forethought is
                  Forethought Center, Batesville, Indiana 47006

                  The address  and  principal  business  office  of  PaTMark  is
                  Suite 530, 300 Delaware Avenue, Wilmington, Delaware 19801

Item 2(c).        Citizenship:

                  (i)      Hillenbrand is an Indiana corporation
                  (ii)     Forethought is an Indiana life insurance company
                  (iii)    PaTMark is a Delaware corporation

Item 2(d).        Title  of  Class of Securities: Common Stock, par value $0.001
                  (the "Shares").

Item 2(e).        CUSIP Number:     46120E107

                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 6  of  Pages 10

Item 3.           If  this  statement  is  filed  pursuant  to rule 13d-1(b), or
                  13d-2(b) or (c), check whether the person filing is a:
                  This Item 3 is not applicable.

Item 4.           Ownership

Item 4(a).        Amount Beneficially Owned:

                  As of February 13, 2001,  Hillenbrand  may be deemed to be the
                  beneficial   owner  of  2,540,454  Shares  by  virtue  of  the
                  ownership of Shares by its indirect wholly-owned  subsidiaries
                  Forethought  and  PaTMark.  Forethought  and  PaTMark  hold of
                  record 252,954 and 2,287,500 Shares, respectively

Item 4(b).        Percent of Class:

                  The  number of Shares of which the  Reporting  Persons  may be
                  deemed to be the beneficial  owner  constitutes  approximately
                  7.1% of the total number of Shares outstanding.

Item 4(c).        Number of Shares as to which each person has:

                  Hillenbrand

                  (i)      Sole power to vote or to direct the vote:   ---------
                  (ii)     Shared power to vote or to direct the vote: 2,540,454
                  (iii)    Sole power to dispose or to direct the
                           disposition of:                             ---------
                  (iv)     Shared power to dispose or to direct the
                           disposition of:                             2,540,454

                  Forethought

                  (i)      Sole power to vote or to direct the vote:   ---------
                  (ii)     Shared power to vote or to direct the vote:   252,954
                  (iii)    Sole power to dispose or to direct the
                           disposition of:                             ---------
                  (iv)     Shared power to dispose or to direct the
                           disposition of:                               252,954

                  PaTMark

                  (i)      Sole power to vote or to direct the vote:   ---------
                  (ii)     Shared power to vote or to direct the vote: 2,287,500
                  (iii)    Sole power to dispose or to direct the
                           disposition of:                             ---------
                  (iv)     Shared power to dispose or to direct the
                           disposition of:                             2,287,500


                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 7  of  Pages 10

Item 5.           Ownership of Five Percent or Less of a Class:
                  This Item 5 is not applicable.

Item 6.           Ownership  of  More than Five Percent  on  Behalf  of  Another
                  Person:

                  None, except that the public  shareholders of Hillenbrand have
                  the right to receive  dividends  when and if  declared  by the
                  Board of  Directors  of  Hillenbrand  which could be funded by
                  dividends from, or proceeds from the sale of, Shares.

Item 7.           Identification  and  Classification  of  the  Subsidiary Which
                  Acquired  the  Security   Being  Reported  on  By  the  Parent
                  Holding Company or Control Person

                  See Item 2(a) which is  incorporated  by  reference  into this
                  Item 7.

Item 8.           Identification and Classification of Members of the Group:
                  This Item 8 is not applicable.

Item 9.           Notice of Dissolution of Group:
                  This Item 9 is not applicable.

Item 10.          Certification

                  By signing below each signatory certifies that, to the best of
                  his/its 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.



                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 8  of  Pages 10



                                   SIGNATURES

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

Date:  February 14, 2001          HILLENBRAND INDUSTRIES, INC.


                                  By: /s/ Michael L. Buettner
                                     -------------------------------------------
                                  Name:    Michael L. Buettner
                                  Title:   Vice President, Corporate Development

Date:  February 14, 2001          FORETHOUGHT LIFE INSURANCE COMPANY


                                  By: /s/ Mark R. Lindenmeyer
                                     -------------------------------------------
                                  Name:    Mark R. Lindenmeyer
                                  Title:   Secretary

Date:  February 14, 2001          PATMARK COMPANY, INC.


                                  By: /s/ James D. VanDeVelde
                                     -------------------------------------------
                                  Name:    James D. VanDeVelde
                                  Title:   President



                                  SCHEDULE 13G

CUSIP No. 46120E107                                         Page 9  of  Pages 10


                                  EXHIBIT INDEX

                                                                        Page No.

A.       Joint Filing Agreement, dated as of February 14, 2001
         among Hillenbrand Industries, Inc., Forethought Life
         Insurance Company and PaTMark Company, Inc.




                                  SCHEDULE 13G

CUSIP No. 46120E107                                        Page 10  of  Pages 10


                                    Exhibit A

                             JOINT FILING AGREEMENT

         The  undersigned  hereby agree that the  statement on Schedule 13G with
respect to the Common Stock of Intuitive  Surgical,  Inc.,  dated as of February
14, 2001, is, and any amendments thereto (including  amendments on Schedule 13D)
signed  by each of the  undersigned  shall  be,  filed on  behalf  of each of us
pursuant to and in accordance with the provisions of  Rule13d-1(k)(1)  under the
Securities Exchange Act of 1934.

Date:  February 14, 2001          HILLENBRAND INDUSTRIES, INC.


                                  By: /s/ Michael L. Buettner
                                     -------------------------------------------
                                  Name:    Michael L. Buettner
                                  Title:   Vice President, Corporate Development

Date:  February 14, 2001          FORETHOUGHT LIFE INSURANCE COMPANY


                                  By: /s/ Mark R. Lindenmeyer
                                     -------------------------------------------
                                  Name:    Mark R. Lindenmeyer
                                  Title:   Secretary

Date:  February 14, 2001          PATMARK COMPANY, INC.


                                  By: /s/ James D. VanDeVelde
                                     -------------------------------------------
                                  Name:    James D. VanDeVelde
                                  Title:   President