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US6364897: Method and apparatus for positioning a suture anchor

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Filing Information

Inventor(s) Peter M. Bonutti ·
Assignee(s) None listed in document.
Attorney/Agent(s) Tarolli, Sundheim, Covell, Tummino & Szabo L.L.P. ·
Primary Examiner Gary Jackson ·
Application Number US9533076
Filing date 03/22/2000
Issue date 04/02/2002
Predicted expiration date 02/04/2013
U.S. Classifications 606/232  ·
International Classifications --
Kind CodeB1
International Classifications 606232 · 606 72 · 606 73 · 606 74 · 606104 · 606102 · 606139 ·
Related U.S. Application DataRELATED APPLICATIONS
This application is a continuation of U.S. patent application Ser. No. 09/084,627 filed May 26, 1998, now U.S. Pat. No. 6,056,772. The aforementioned application Ser. No. 09/084,627 is itself a divisional of U.S. patent application Ser. No. 08/764,199 filed Dec. 13, 1996, now U.S. Pat. No. 5,814,073. The aforementioned application Ser. No. 09/084,627 is also a continuation-in-part of U.S. patent application Ser. No. 08/470,142 filed Jun. 6, 1995. This application Ser. No. 08/470,142 is also a continuation-in-part of U.S. patent application Ser. No. 08/467,002 filed Jun. 6, 1995, now U.S. Pat. No. 5,674,240. The aforementioned applications Ser. Nos. 08/470,142 and 08/467,002 are themselves continuations-in-part of U.S. patent application Ser. No. 08/254,368 filed Jun. 6, 1994, now U.S. Pat. No. 5,573,517. The aforementioned application Ser. No. 08/254,368 is itself a divisional of U.S. patent application Ser. No. 08/013,942 filed Feb. 4, 1993, now U.S. Pat. No. 5,320,611. The benefit of the earlier filing dates of all of the aforementioned U.S. patent applications is hereby claimed for all subject matter common to this application and any of the aforementioned applications.
22 Claims, 5 Drawings


Abstract

An inserter assembly is operable between a closed condition blocking movement of a suture anchor through the inserter assembly and an open condition in which the inserter assembly is ineffective to block movement of the anchor. The inserter assembly may have an end portion which pierces body tissue. In one embodiment, a tubular member has a plurality of segments which are moved from a closed condition to an open condition. In another embodiment, a plurality of wires extend along an inner side of a passage in a sheath. As the suture anchor slides along the wires, force is transmitted to the sheath to expand the sheath and operate the inserter assembly from the closed condition to the open condition. If desired, the wires may be omitted and the sheath resiliently expanded by a member which encloses the suture anchor. Indicia may be provided to indicate the depth to which the inserter assembly is inserted into body tissue.

Independent Claims | See all claims (22)

  1. 1. A method of positioning an anchor member relative to body tissue, said method comprising the steps of providing a tubular member, said step of providing a tubular member includes providing a tubular member having a plurality of wires which extend along a passage in the tubular member, inserting the tubular member into body tissue by piercing the body tissue with an end portion of the tubular member and moving at least a portion of the tubular member through an opening formed in the body tissue by piercing the body tissue with the end portion of the tubular member, moving the anchor member along a passage in the tubular member, said step of moving the anchor member along the passage in the tubular member includes sliding the anchor member along the wires, and moving the anchor member out of the passage in the tubular member into the body tissue.
  2. 9. A method of positioning an anchor member relative to body tissue, said method comprising the steps of providing a tubular member, said step of providing a tubular member includes providing a tubular member which at least partially encloses a plurality of wires which extend along at least a portion of the passage in said tubular member, inserting the tubular member into body tissue by piercing the body tissue with an end portion of the tubular member and moving at least a portion of the tubular member through an opening formed in the body tissue by piercing the body tissue with the end portion of the tubular member, moving the anchor member along a passage in the tubular member, said step of moving the anchor member along a passage in the tubular member includes applying force against the anchor member with a pusher member and sliding the pusher member along the wires, and moving the anchor member out of the passage in the tubular member into the body tissue.
  3. 17. A method of positioning an anchor member relative to body tissue, said method comprising the steps of providing a tubular member, inserting the tubular member into body tissue by piercing the body tissue with an end portion of the tubular member and moving at least a portion of the tubular member through an opening formed in the body tissue by piercing the body tissue with the end portion of the tubular member, moving the anchor member along a passage in the tubular member, said step of moving the anchor member along a passage in the tubular member is performed with at least a portion of the anchor member enclosed by an expansion member, expanding at least a portion of the passage in the tubular member by transmitting force from the expansion member to the tubular member while moving the expansion member and the anchor member together along the passage in the tubular member, and moving the anchor member out of the passage in the tubular member into the body tissue.

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