Exhibit 23.1


            Consent of Independent Registered Public Accounting Firm

We consent to the reference to our firm under the caption "Experts" in Amendment
No. 1 to the Registration Statement (Form S-3 No. 333-119412) and in Amendment
No. 1 to the Registration Statement (Form S-3 No. 333-64887) and related
Prospectuses of Boston Scientific Corporation and to the incorporation by
reference therein of our report dated January 30, 2004, with respect to the
consolidated financial statements of Boston Scientific Corporation incorporated
by reference in its Annual Report (Form 10-K) for the year ended December 31,
2003 and of our report dated March 9, 2004 with respect to the related financial
statement schedule included therein, filed with the Securities and Exchange
Commission.



/s/ Ernst & Young LLP

Boston, Massachusetts
November 3, 2004