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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1. Name and Address of Reporting Person * Burns Brian R   2. Issuer Name and Ticker or Trading Symbol BOSTON SCIENTIFIC CORP [(BSX)] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP - Quality (Last) (First) (Middle) ONE BOSTON SCIENTIFIC PLACE 3. Date of Earliest Transaction (Month/Day/Year) 05/16/2005 (Street) NATICK, MA 017601537 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 Stock 05/16/2005   M(1)   1,666 A $ 12.5 2,955 D   Common Stock 05/16/2005   M(1)   2,500 A $ 6.655 5,455 D   Common Stock 05/16/2005   M(1)   3,000 A $ 21.78 8,455 D   Common Stock 05/16/2005   M(1)   4,500 A $ 21.255 12,955 D   Common Stock 05/16/2005   S(1)   400 D $ 30.63 12,555 D   Common Stock 05/16/2005   S(1)   1,100 D $ 30.62 11,455 D   Common Stock 05/16/2005   S(1)   1,666 D $ 30.77 9,789 D   Common Stock 05/16/2005   S(1)   500 D $ 30.62 9,289 D   Common Stock 05/16/2005   S(1)   1,000 D $ 30.61 8,289 D   Common Stock 05/16/2005   S(1)   500 D $ 30.52 7,789 D   Common Stock 05/16/2005   S(1)   500 D $ 30.53 7,289 D   Common Stock 05/16/2005   S(1)   1,000 D $ 30.42 6,289 D   Common Stock 05/16/2005   S(1)   400 D $ 30.43 5,889 D   Common Stock 05/16/2005   S(1)   600 D $ 30.42 5,289 D   Common Stock 05/16/2005   S(1)   100 D $ 30.51 5,189 D   Common Stock 05/16/2005   S(1)   900 D $ 30.5 4,289 D   Common Stock 05/16/2005   S(1)   1,000 D $ 30.44 3,289 D   Common Stock 05/16/2005   S(1)   1,000 D $ 30.4 2,289 D   Common Stock 05/16/2005   S(1)   1,000 D $ 30.26 1,289 D   Common Stock               2,730 I By 401(k)

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)

$ 6.66

05/16/2005

M(1)

2,500

(2)

12/19/2010

Common Stock

2,500

$ 0

0

D

Stock Option (Right to Buy)

$ 12.5

05/16/2005

M(1)

1,666

(3)

12/17/2011

Common Stock

1,666

$ 0

1,668

D

Stock Option (Right to Buy)

$ 21.26

05/16/2005

M(1)

4,500

(4)

12/09/2012

Common Stock

4,500

$ 0

9,000

D

Stock Option (Right to Buy)

$ 21.78

05/16/2005

M(1)

3,000

(5)

02/25/2013

Common Stock

3,000

$ 0

3,000

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Burns Brian R ONE BOSTON SCIENTIFIC PLACE NATICK, MA 017601537			SVP - Quality

Signatures

By: /s/ Lawrence J. Knopf, Attorney-in-fact		05/18/2005
**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)	The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person covering the exercise of options granted to the reporting person and subsequent sale of the underlying securities.
(2)	Grant to the reporting person of an option to buy a specified number of shares of Common Stock exercisable in equal annual increments on December 19, 2001, 2002, 2003 and 2004, the anniversary date of this grant.
(3)	Grant to the reporting person of an option to buy a specified number of shares of Common Stock exercisable 25% on December 17, 2002, 50% on December 17, 2003, 75% on December 17, 2004 and 100% on December 17, 2005, the anniversary date of the grant.
(4)	Grant to the reporting person of an option to buy a specified number of shares of Common Stock exercisable 25% on December 9, 2003, 50% on December 9, 2004, 75% on December 9, 2005 and 100% on December 9, 2006, the anniversary date of the grant.
(5)	Grant to the reporting person of an option purchase 100,000 shares of common stock of the Compnay, vesting in equal annual installments beginning on February 25, 2004, 2005, 2006 and 2007, the anniversary date of the grant.

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