1 EXHIBIT 5.1 OPINION AND CONSENT OF BAKER, DONELSON, BEARMAN & CALDWELL [Baker, Donelson, Bearman & Caldwell Letterhead] May 8, 1997 Sofamor Danek Group, Inc. 1800 Pyramid Place Memphis, Tennessee 38132 RE: Registration Statement on Form S-3 of Sofamor Danek Group, Inc. Ladies and Gentlemen: We have acted as securities counsel for Sofamor Danek Group, Inc., an Indiana corporation (the "Company"), in connection with the Company's Registration Statement on Form S-3 (the "Registration Statement"), pursuant to the Securities Act of 1933, as amended, relating to the offer and sale of up to 20,000 shares (the "Shares") of common stock, no par value per share, of the Company by a "Selling Stockholder" (as defined in the Registration Statement). This opinion is being furnished in response to Item 601 of Regulation S-K and the instructions to Form S-3. We are familiar with the proceedings to date with respect to the proposed offering and have examined such records, documents and matters of law and satisfied ourselves as to such matters of fact as we have considered relevant for purposes of this opinion. On the basis of the foregoing, we are of the opinion that: 1. The Company is a corporation duly organized and existing under the laws of the State of Indiana. 2. The Shares that may be issued and sold pursuant to the option agreement between Rush Presbyterian St. Luke's Medical Center, Endowed Chair in Spinal Deformity ("Rush") and the Company, dated as of December 19, 1994 (the "Option Agreement") will, when issued, sold and paid for in accordance with the Option Agreement, be validly issued, fully paid and non-assessable. The foregoing opinion is limited to the federal laws of the United States and the laws of the State of Tennessee, and we are expressing no opinion as to the effect of the laws of any other jurisdiction. In rendering the foregoing opinion, we have relied to the extent we deem such reliance appropriate as to certain matters on statements, representations and other information obtained from public officials, officers of the Company and other sources believed by us to be responsible. We hereby consent to the filing of this opinion as an exhibit to the Registration Statement. In giving such consent, we do not thereby admit that we are in the category of persons whose consent is required under Section 7 of the Act. Very truly yours, BAKER, DONELSON, BEARMAN & CALDWELL By: /s/ Matthew S. Heiter -------------------------------- Matthew S. Heiter, a shareholder