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US Patent 5573548 - Suture anchor
US Patent Issued on November 12, 1996
Estimated Patent Expiration Date:
June 9, 2014Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
June 9, 2014Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractA suture anchor comprises a shaft having a proximal and a distal end. A screw thread extends from the shaft and spirals from the proximal to the distal end. A cross-hole is formed through the shaft and the screw thread near the proximal end. The cross-hole receives a suture which provides a double end of suture to facilitate attachment of soft tissue. In a preferred embodiment, the shaft is tapered from a larger diameter proximally to a smaller diameter distally while the major diameter of the screw thread remains constant over most of its length. The suture anchor contains a driven portion which preferably contains a groove to conduct the suture from the cross-hole to the free end of the driven portion. A driver for the suture anchor having an engagement portion for engaging the driven portion likewise contains a groove so that when the engagement portion engages the driven portion the two grooves align to form an enclosed passageway for conducting the suture as the suture traverses the driven portion.Other References
| InventorsAssigneeApplicationNo. 257762 filed on 06/09/1994US Classes:606/232, Suture retaining means (e.g., buttons)606/73, Threaded fastener element606/74Bone cerclage deviceField of Search606/232, Suture retaining means (e.g., buttons)606/72, Orthopedic fastener606/73, Threaded fastener element606/74, Bone cerclage device606/75, Staple or similar driven fastener606/76, Specialized coating or material606/219Staple fastenerExaminersPrimary: Jackson, GaryAttorney, Agent or FirmUS Patent ReferencesD331463, D331626, 2890734, 4632100, Suture anchor assemblyIssued on: 12/30/1986 Inventor: Somers , et al.4669473, Surgical fastener Issued on: 06/02/1987 Inventor: Richards , et al.4738255, Suture anchor system Issued on: 04/19/1988 Inventor: Goble , et al.4741330, Method and apparatus for anchoring and manipulating cartilage Issued on: 05/03/1988 Inventor: Hayhurst4898156, Suture anchor Issued on: 02/06/1990 Inventor: Gatturna, et al.4899743, Suture anchor installation tool Issued on: 02/13/1990 Inventor: Nicholson, et al.4946468, Suture anchor and suture anchor installation tool Issued on: 08/07/1990 Inventor: Li4968315, Suture anchor and suture anchor installation tool Issued on: 11/06/1990 Inventor: Gatturna5037422, Bone anchor and method of anchoring a suture to a bone Issued on: 08/06/1991 Inventor: Hayhurst, et al.5041129, Slotted suture anchor and method of anchoring a suture Issued on: 08/20/1991 Inventor: Hayhurst, et al.5046513, Method for anchoring suture to bone Issued on: 09/10/1991 Inventor: Gatturna, et al.5100417, Suture anchor and driver assembly Issued on: 03/31/1992 Inventor: Cerier, et al.5102421, Suture anchor and method of forming Issued on: 04/07/1992 Inventor: Anspach, Jr.5127785, Hanger nail for suspended ceiling Issued on: 07/07/1992 Inventor: Faucher5129902, Endosteal ligament retainer and process Issued on: 07/14/1992 Inventor: Goble, et al.5141520, Harpoon suture anchor Issued on: 08/25/1992 Inventor: Goble, et al.5152790, Ligament reconstruction graft anchor apparatus Issued on: 10/06/1992 Inventor: Rosenberg, et al.5156616, Apparatus and method for suture attachment Issued on: 10/20/1992 Inventor: Meadows, et al.5176682, Surgical implement Issued on: 01/05/1993 Inventor: Chow5192303, Suture anchor Issued on: 03/09/1993 Inventor: Gatturna, et al.5203787, Suture retaining arrangement Issued on: 04/20/1993 Inventor: Noblitt, et al.5207679, Suture anchor and installation tool Issued on: 05/04/1993 Inventor: Li5217486, Suture anchor and installation tool Issued on: 06/08/1993 Inventor: Rice, et al.5224946, Bone anchor and method of anchoring a suture to a bone Issued on: 07/06/1993 Inventor: Hayhurst, et al.5236445, Expandable bone anchor and method of anchoring a suture to a bone Issued on: 08/17/1993 Inventor: Hayhurst, et al.5246369, Implantable system, rotary device and operating method Issued on: 09/21/1993 Inventor: Poulmaire5258016, Suture anchor and driver assembly Issued on: 11/02/1993 Inventor: DiPoto, et al.5268001, Bone fastener Issued on: 12/07/1993 Inventor: Nicholson, et al.5269809, Locking mechanism for use with a slotted suture anchor Issued on: 12/14/1993 Inventor: Hayhurst, et al.5282802, Method of securing a tendon graft with an interference fixation screw Issued on: 02/01/1994 Inventor: Mahony, III5370662Suture anchor assembly Issued on: 12/06/1994 Inventor: Stone, et al. Foreign Patent References
International ClassA61B 017/04 |
