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US5356417: Absorbable sternum closure buckle

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Filing Information

Inventor(s) Ellen Golds ·
Assignee(s) United States Surgical Corporation ·
Primary Examiner Tamara L. Graysay ·
Application Number US7959165
Filing date 10/09/1992
Issue date 10/18/1994
Predicted expiration date 10/09/2012
U.S. Classifications 606/151  · 606/74  ·
International Classifications A61B 1700  ·
Kind CodeA
International Classifications 606151;157;191;213;215;216;218 ·
29 Claims, No Drawings


Abstract

A strap assembly for surgical repair of split portions of tissue to retain the tissue portion in adjacent contacting relation during healing, which includes an elongated strap member and a buckle member for securing the strap member in a looped tensioned condition about the tissue portions. The buckle member is fabricated from a bioabsorbable material selected from the group consisting of polymers or copolymers of glycolide, lactide, trimethylene carbonate, lactone, dioxanone, and caprolactone. The preferred buckle member includes a housing member defining a longitudinal channel therethrough for reception of the strap member and a wedging member insertable within the longitudinal channel of the housing member to securely wedge the strap member against at least one bearing surface of the housing member.

Independent Claims | See all claims (29)

  1. 1. A strap assembly for surgical repair of split portions of tissue to retain the tissue portions in adjacent contacting relation during healing, which comprises:a flexible elongated strap member dimensioned to be looped about split portions of tissue; andbuckle means for securing said strap member in a looped tensioned condition about the split tissue portions, said buckle means comprising:housing means including first and second opposing end walls, each said end wall including an opening formed therein, said openings defining a passage for reception of said strap member; andwedging means slidably receivable within said housing means and adapted to advance into engagement with said strap member to securely wedge said strap member against one of said first and second end walls of said housing means.
  2. 15. A strap assembly for surgical repair of split portions of tissue to retain the tissue portions in adjacent contacting relation during heading, which comprises:an elongated strap member; andbuckle means for securing said strap member about split portions of tissue, said buckle means comprising:housing means defining a longitudinal channel therethrough for reception of said strap member;wedging means insertable within said longitudinal channel of said housing means to securely wedge said strap member against at least one bearing surface of said housing means; andmeans for mounting said wedging means within said longitudinal channel of said housing means, said mounting means comprising first and second locking hooks extending from opposed sides of said wedging means, said first and second locking hooks securely engaging correspondingly dimensioned and positioned projections extending from opposed sides of said housing means.
  3. 17. A strap assembly for surgical repair of split portions of tissue to retain the tissue portions in adjacent contacting relation during healing, which comprises:an elongated strap member; anda buckle member for securing said strap member in a looped tensioned condition about the tissue portions, said buckle member comprising:a housing member defining a longitudinal channel therethrough for reception of said strap member;a wedging member disposed within said longitudinal channel; andmeans for mounting said wedging member to said housing member to permit reciprocal longitudinal movement of said wedging member within said longitudinal channel between a non-strap securing position to permit passage of said strap member through said longitudinal channel and a strap securing position wherein said wedging member securely wedges said strap member against at least one bearing surface of said housing member, said mounting means comprising first and second locking hooks extending from opposed sides of said wedging member, said first and second locking hooks engaging correspondingly dimensioned and positioned projections extending from opposed sides of said housing member to mount said wedging member to said housing member, said locking hooks and said projections defining a clearance therebetween to permit reciprocal movement of said wedging member between said non-strap securing position and said strap securing position.
  4. 19. A strap assembly to be looped about split portions of tissue to retain the tissue portions in adjacent engaged relation to promote healing thereof, which comprises:a flexible generally planar strap member having at least an upper and a lower substantially planar surface and being dimensioned to be looped about split portions of tissue; andbuckle means including housing means defining a channel extending therethrough and wedging means mounted within said channel of said housing means and movable therewithin between a non strap securing position and a strap securing position, said wedging means having strap engaging means disposed on at least one of an upper and lower surface thereof, said strap engaging means angularly oriented to permit advancement of said strap member in a strap tightening direction while engaging one of said upper and lower planar surfaces of said planar strap member when said strap member moves through said channel in a strap loosening direction, wherein engagement of said strap member by said engagement means during movement of said strap member in the strap loosening direction effects movement of said wedging means to said strap securing position.
  5. 22. A method for repairing split portions of tissue, comprising the steps of:providing at least one strap assembly including a strap member and buckle means, said buckle means including housing means defining a longitudinal channel for reception of said strap member and wedging means dimensioned to be received within said longitudinal channel;looping said strap member around the tissue portions;inserting said strap member through said longitudinal channel in said buckle means;tightening said strap member about the tissue portions in a manner to attach the tissue portions in an adjacent engaged relation; andinserting said wedging means within said longitudinal channel of said housing means to securely wedge said strap member against a bearing surface of said housing means.
  6. 23. A method for repairing split portions of tissue, comprising the steps of:providing at least one strap assembly including a strap member and buckle means, said buckle means including housing means defining a longitudinal channel for reception of said strap member and wedging means slidably housed within said longitudinal channel from a non-strap securing position to a strap securing position in response to tensional forces exerted on said strap member during tensioning thereof about the tissue portions, said wedging means comprising strap engaging means for engaging said strap member;looping said strap member about the tissue portions;introducing said strap member into said longitudinal channel of said housing means;tensioning said strap member about the tissue portions in a manner to attach the tissue portions in an adjacent engaged relation; andreleasing said strap member such that said strap engaging means of said wedging means engages said strap member to cause said wedging means to move to said strap securing position wherein said wedging means securely wedges said strap member against at least a transverse bearing surface of said housing means to secure said strap member in a looped tensioned condition about the split tissue portions.
  7. 25. A strap assembly to be looped about split portions of tissue to retain the portions in adjacent engaged relation to promote healing thereof, which comprises:a flexible strap member; anda buckle member, comprising:a housing member defining a longitudinal channel dimensioned for reception and passage of said strap member therethrough, said housing member including a transverse bearing surface and a longitudinal bearing surface; anda wedging member positionable within said longitudinal channel of said housing member and dimensioned and configured to securely wedge said strap member against said transverse bearing surface of said housing member and said longitudinal bearing surface of said housing member.
  8. 27. A strap assembly for surgical repair of split portions of tissue to retain the tissue portions in adjacent contacting relation during healing, which comprises:a flexible elongated strap member dimensioned to be looped about split portion of tissue; anda buckle member for securing said strap member in a looped tensioned condition about the split tissue portions, said buckle member comprising:a housing member including a channel therethrough for reception of said strap member and at least one bearing surface, said at least bearing surface defining a stepped region; anda wedging member slidably receivable within said channel of said housing member, said wedging member including a stepped region at one end portion thereof generally corresponding in dimension and configuration to said stepped region of said housing member, said wedging member adapted to advance into engagement with said strap member such that said strap member is securably wedged between said stepped region of said wedging member and said stepped region of said housing member.
  9. 28. A strap assembly to be looped about split portions of tissue to retain the portions in adjacent engaged relation to promote healing thereof, which comprises:a flexible strap member; anda buckle member, comprising:a housing member including first and second opposed end walls and at least one connecting wall interconnecting said first and second end walls, each said end wall having an opening formed therein, said openings defining a passage through said housing member for reception of said strap member, said housing member further including at least one bearing surface, said at least one bearing surface being angularly oriented relative to said at least one connecting wall; anda wedging member positionable within said housing member and dimensioned and configured to securely wedge said strap member against said at least one bearing surface of said housing member.
  10. 29.29. A strap assembly to be looped about split portions of tissue to retain the portions in adjacent engaged relation to promote healing thereof, which comprises:a flexible strap member; anda buckle member, comprising:a housing member including first and second opposed end walls and a connecting wall interconnecting said first and second end walls, each said end wall having an opening formed therein, said openings defining a passage through said housing member for reception of said strap member; anda wedging member positionable within said housing member and dimensioned and configured to securely wedge said strap member against one of said first and second opposed end walls and against said at least one connecting wall.

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