EXHIBIT 23.1 ------------ CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 18, 1999 appearing on page 22 of Innovasive Devices, Inc.'s Annual Report on Form 10-K for the year ended December 31, 1998. PRICEWATERHOUSECOOPERS LLP Boston, Massachusetts July 21, 1999 1