Umbrella shaped suture anchor device with actuating ring member

- Ethicon, Inc.

A suture anchor device having an anchor member with outwardly extending wing members and an actuating wedge member. The suture anchor device is inserted into a bore hole in a bone as part of an orthopedic surgical procedure wherein soft tissue such as a tendon or ligament is attached to the surface of the bone. The wing members are spread outwardly by the wedge member to lock the suture anchor device in the bone. The suture anchor has similar utility in soft tissue applications.

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Claims

2. The assembly of claim 1, wherein said operating member is a sleeve.

3. The assembly according to claim 2, wherein said sleeve has opposed proximal and distal ends, said sleeve having a wedge-shaped distal portion that tapers inwardly toward said sleeve distal end.

5. The assembly according to claim 2, wherein said sleeve and said shaft have cooperating locking means for locking said sleeve to said shaft when said sleeve is in said normal position.

6. The assembly accordingly to claim 5, wherein said sleeve and said shaft have cooperating locking means for locking said sleeve to said shaft when said sleeve is in said operative position, whereby said wing members are prevented by said locked sleeve from deflecting inwardly from said outward position.

7. The assembly according to claim 2, wherein said sleeve and said shaft have cooperating locking means for locking said sleeve to said shaft when said sleeve is in said operative position, whereby said wing members are prevented by said locked sleeve from deflecting inwardly from said outward position.

8. The assembly according to claim 2, wherein said anchor member and said sleeve each comprises a bioabsorbable material.

9. The assembly according to claim 8, wherein the bioabsorbable material comprises a member selected from the group consisting of homopolymers and copolymers of lactide, glycolide, trimethylene carbonate, caprolactone, and p-dioxanone and blends thereof.

10. The assembly according to claim 2, wherein said anchor member and said sleeve each comprises a biocompatible nonabsorbable material.

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Patent History
Patent number: RE36289
Type: Grant
Filed: Jun 20, 1997
Date of Patent: Aug 31, 1999
Assignee: Ethicon, Inc. (Somerville, NJ)
Inventors: Thu Anh Le (Matawan, NJ), Sung Sok Yi (Princeton, NJ), William Zwaskis (Fanwood, NJ), Jack S. Pedlick (Butler, NJ), Brian H. Luscombe (Warren, NJ), Dennis D. Jamiolkowski (Long Valley, NJ), John Di Giovanni (Woodbridge, NJ), Keith A. Seritella (South Brunswick, NJ), Mark G. Steckel (Mainville, OH), Steven F. Harwin (New York, NY)
Primary Examiner: Gary Jackson
Application Number: 8/880,133
Classifications
Current U.S. Class: Suture Retaining Means (e.g., Buttons) (606/232); 606/73; Staple Or Clip (606/75)
International Classification: A61B 1704;