Ownership Submission
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
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(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.
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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.

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