EXHIBIT 23.1 INDEPENDENT AUDITOR'S CONSENT We consent to the incorporation by reference in this Registration Statement of Atrix Laboratories, Inc. on Form S-3 of our report dated February 28, 2001, appearing in the Annual Report on Form 10-K of Atrix Laboratories, Inc. for the year ended December 31, 2000 and to the reference to us under the heading "Experts" in the prospectus, which is part of this Registration Statement. /s/ DELOITTE & TOUCHE LLP DELOITTE & TOUCHE LLP Denver, Colorado February 6, 2002