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 * SMITH LONNIE M   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 __X__ Officer (give title below) _____ Other (specify below) Chairman of the Board (Last) (First) (Middle) 1266 KIFER ROAD 3. Date of Earliest Transaction (Month/Day/Year) 02/10/2011 (Street) SUNNYVALE, CA 94086 4. If Amendment, Date Original Filed(Month/Day/Year) 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 02/10/2011 02/10/2011 G(2)   29,763 A $ 0 327,336 (1) D   Common 02/10/2011 02/10/2011 G(3)   26,008 A $ 0 327,336 (1) D   Common 05/18/2011 05/18/2011 G(4)   30,000 D $ 0 327,336 (1) D   Common 06/06/2011 06/06/2011 G(5)   2,277 A $ 0 327,336 (1) D   Common 02/10/2011 02/10/2011 G(6)   29,763 D $ 0 0 (8) I GRAT No. 3 Common 02/10/2011 02/10/2011 G(7)   26,008 D $ 0 0 (8) I GRAT No. 4 Common 05/18/2011 05/18/2011 G(4)   30,000 A $ 0 30,000 I L.P. (9) Common 06/06/2011 06/06/2011 G(5)   2,277 D $ 0 0 (8) I GRAT No 2

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SMITH LONNIE M 1266 KIFER ROAD SUNNYVALE, CA 94086	X		Chairman of the Board

Signatures

/s/ Lonnie Smith		07/25/2011
**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)	Previous filings made by the reporting person included indirect shares contributed to grantor retained annuity trusts as directly owned shares. This filing correctly reports the number of shares directly owned by the reporting person. The total number of shares beneficially owned is as of the date of this filing and not as of the transaction date in Box 3.
(2)	Shares were distributed by GRAT No. 3 to the reporting person.
(3)	Shares were distributed by GRAT No. 4 to the reporting person.
(4)	The reporting person transferred the shares to McKram Investors LP. Lonnie Smith and Cheryl Smith are General Partners of McKram Investors LP. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.
(5)	Shares were distributed by a grantor retained annuity trust #2 ("GRAT No. 2"} to the reporting person.
(6)	The reporting person contributed shares to a grantor retained annuity trust No. 3 ("GRAT No. 3"). The sole trustee of GRAT No. 3 is The Trust Company of Oxford.
(7)	The reporting person contributed shares to a grantor retained annuity trust No. 4 ("GRAT No. 4"). The sole trustee of GRAT No. 4 is The Trust Company of Oxford.
(8)	Previous filings made by the reporting person included indirect shares held by grantor retained annuity trusts as directly owned shares. This filing correctly reports the shares held by the grantor retained annuitytrusts as indirectly owned shares. The total number of shares beneficially owned is as of the date of this filing and not as of the transaction date in Box 3.
(9)	Shares are held by McKram Investors LP. Lonnie Smith and Cheryl Smith are General Partners of McKram Investors LP. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein.

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