FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * DUGGAN ROBERT W   2. Issuer Name and Ticker or Trading Symbol INTUITIVE SURGICAL INC [ISRG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 950 KIFER ROAD 3. Date of Earliest Transaction (Month/Day/Year) 08/03/2005 (Street) SUNNYVALE, CA 94086 4. If Amendment, Date Original Filed(Month/Day/Year) 07/03/2003 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 06/30/2003   J(1)   1,075,884 A $ 0 (2) 1,075,884 D   Common Stock 06/30/2003   J(3)   33,572 A $ 0 33,572 I By managed account (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$ 15.72

06/30/2003

A

10,000

06/30/2006

06/30/2013

Common Stock

10,000

$ 0

10,000

D

Stock Option (right to buy)

$ 17.78

06/30/2003

J(1)

6,668

06/30/2003

12/25/2006

Common Stock

6,668

$ 0 (5)

6,668

D

Stock Option (right to buy)

$ 39.39

06/30/2003

J(1)

5,142

06/30/2003

07/27/2008

Common Stock

5,142

$ 0 (5)

5,142

D

Stock Option (right to buy)

$ 35.02

06/30/2003

J(1)

5,142

06/30/2003

03/22/2009

Common Stock

5,142

$ 0 (5)

5,142

D

Stock Option (right to buy)

$ 32.1

06/30/2003

J(1)

10,398

06/30/2003

06/30/2010

Common Stock

10,398

$ 0 (5)

10,398

D

Stock Option (right to buy)

$ 15.68

06/30/2003

J(1)

4,583

06/30/2003

05/30/2011

Common Stock

4,583

$ 0 (5)

4,583

D

Stock Option (right to buy)

$ 15.68

06/30/2003

J(1)

1,845

06/30/2003

05/30/2011

Common Stock

1,845

$ 0 (5)

1,845

D

Stock Option (right to buy)

$ 2.54

06/30/2003

J(1)

20,570

06/30/2003

07/05/2012

Common Stock

20,570

$ 0 (5)

20,570

D

Common Stock Warrant

$ 19.46

06/30/2003

J(1)

21,467

06/30/2003

02/16/2006

Common Stock

21,467

$ 0 (5)

21,467

D

Common Stock Warrant

$ 17.32

06/30/2003

J(1)

3,135

06/30/2003

02/13/2007

Common Stock

3,135

$ 0 (5)

3,135

D

Common Stock Warrant

$ 35.68

06/30/2003

J(1)

38,412

06/30/2003

09/21/2007

Common Stock

38,412

$ 0 (5)

38,412

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DUGGAN ROBERT W 950 KIFER ROAD SUNNYVALE, CA 94086	X

Signatures

/s/ Robert W. Duggan		08/03/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Acquired in exchange for securities of Computer Motion, Inc. in connection with the acquisition of Computer Motion, Inc. by Intuitive Surgical, Inc. (the "Merger").
(2)	Received in exchange for 4,184,127 shares of common stock of Computer Motion, Inc. in connection with the Merger. Calculated by multiplying 4,184,127 by the merger exchange ratio of .51426943 and giving effect to the 1-for-2 reverse stock split of Intuitive Surgical common stock effected on June 30, 2003.
(3)	Received in exchange for 130,572 shares of common stock of Computer Motion, Inc. in connection with the Merger. Calculated by multiplying 130,572 by the merger exchange ratio of .51426943 and giving effect to the 1-for-2 reverse stock split of Intuitive Surgical common stock effected on June 30, 2003.
(4)	The reporting person disclaims beneficial ownership of these shares except to the extent of the reporting person's pecuniary interest in the shares.
(5)	Received in the Merger in exchange for a stock option or warrant, as applicable, to acquire common stock of Computer Motion, Inc. The share numbers and exercise prices reflect the share numbers and exercise prices for the related Computer Motion, Inc. common stock option or warrant, as applicable, after the application of the merger exchange ratio of .51426943 and giving effect to the 1-for-2 reverse stock split of Intuitive Surgical, Inc. common stock effected on June 30, 2003.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.