EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of Atrix Laboratories, Inc. on Form S-3 of our report dated March 12, 2003 (which report expresses an unqualified opinion and includes an explanatory paragraph relating to a change in accounting principle), appearing in the Annual Report on Form 10-K of Atrix Laboratories, Inc. for the year ended December 31, 2002 and to the reference to us under the heading "Experts" in the Prospectus, which is part of this Registration Statement. /s/ DELOITTE & TOUCHE LLP Denver, Colorado January 16, 2004