POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and
appoints each of Paul W. Sandman, Lawrence J. Knopf and Kristin S.Caplice,
signing singly, the undersigned's true and lawful
attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an executive officer and/or director of
Boston Scientific Corporation (the "Company"), Forms 3, 4 and 5
in accordance with Section 16(a) of the Securities Exchange Act of 1934
and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and
execute any such Form 3, 4 or 5 and timely file such form with the
United States Securities and Exchange Commission and any stock
exchange or similar authority;

(3) execute for and on behalf of the undersigned, in the
undersigned's capacity as an executive officer and/or director
of the Company, Forms 144 in accordance with Rule 144 of the
Securities Exchange Act of 1933, as amended and the rules and
regulations thereunder; and

(4) take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or legally required by,
the undersigned, it being understood that the documents executed by
such attorney-in-fact on behalf of the undersigned pursuant to this
Power of Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of
the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers herein
granted.  The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section 16
of the Securities Exchange Act of 1934 or Rule 144 of the Securities
Act of 1933, as amended.

This Power of Attorney shall remain in full force and effect until the
 undersigned is no longer required to file Forms 3, 4 and 5 and Forms 144
with respect to the undersigned's holdings of and transactions in
securities issued by the Company, unless earlier revoked by the undersigned
in a signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 9th day of May, 2006.


						/s/ William F. McConnell, Jr.

						William F. McConnell, Jr.