1 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation of our report on THM Biomedical, Inc., dated January 24, 2000, in Amendment No. 1 to the Current Report on Form 8-K to be filed by Kensey Nash Corporation. ESTERBRROKS, SCOTT, SIGNORELLI, PETERSON, SMITHSON, LTD. Duluth, Minnesota November 14, 2000