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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | UP-0364064 (2003-02-10) |
| 등록번호 | US-7763040 (2010-08-13) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 21 인용 특허 : 467 |
A tissue connector assembly comprising a clip movable between an open configuration and a closed configuration and a mechanical restraining device attached to the clip for restraining the clip in its open configuration. A needle may be releasably attached to the clip. A method for connecting tissues
A tissue connector assembly comprising a clip movable between an open configuration and a closed configuration and a mechanical restraining device attached to the clip for restraining the clip in its open configuration. A needle may be releasably attached to the clip. A method for connecting tissues is also disclosed. The method includes inserting a clip through tissue with the clip being biased in an open position by a restraining device secured to the clip, and removing the restraining device from the clip.
What is claimed is: 1. A tissue connector assembly comprising a self-closing clip movable between an open configuration and a closed configuration, said clip having a generally U-shaped configuration when in said open configuration, and a mechanical restraining device coupled to said clip for restr
What is claimed is: 1. A tissue connector assembly comprising a self-closing clip movable between an open configuration and a closed configuration, said clip having a generally U-shaped configuration when in said open configuration, and a mechanical restraining device coupled to said clip for restraining said clip in said open configuration, wherein said restraining device is coupled to said clip such that in at least one state of said restraining device, an entirety of said restraining device moves with movement of said clip in response to a movement force applied to said clip, and further wherein said clip assumes a spiral configuration in said closed configuration. 2. The tissue connector assembly of claim 1 further comprising a needle releasably attached to said clip. 3. The tissue connector assembly of claim 1 wherein at least a portion of said mechanical restraining device remains on said clip when said needle is released from said clip. 4. The tissue connector assembly of claim 1 wherein said clip comprises a wire. 5. The tissue connector assembly of claim 4 wherein said wire is tubular. 6. The tissue connector assembly of claim 4 wherein said wire has a generally circular cross-section. 7. The tissue connector assembly of claim 4 wherein said wire comprises shape memory material. 8. The tissue connector assembly of claim 4 wherein said wire has a first end portion, a second end portion and an elongated member therebetween, said first end portion being coupled to said mechanical restraining device, said second end portion having a cross-sectional area greater than a cross-sectional area of said elongated member. 9. The tissue connector assembly of claim 1 wherein said clip is in a relaxed state when in said closed configuration. 10. The tissue connector assembly of claim 1 wherein said mechanical restraining device comprises a coil surrounding at least a portion of said clip. 11. The tissue connector assembly of claim 10 wherein said coil comprises a plurality of adjacent loops, said coil being compressible with said plurality of adjacent loops being spaced closer to one another along one side of said coil than along an opposite side of said coil. 12. The tissue connector assembly of claim 10 wherein said mechanical restraining device includes a lock releasably engaging said coil, wherein engagement of said lock with said coil biases said clip in said open configuration. 13. The tissue connector assembly of claim 1 wherein said clip comprises a tubular wire and said mechanical restraining device comprises an elongated member positioned in said wire. 14. A tissue connector assembly comprising a self-closing clip having an open configuration and a closed configuration and a coil wound about said clip, wherein said coil is adapted to provide a biasing force to bias said clip in said open configuration, and further wherein a relationship of a longitudinal length of said coil relative to a longitudinal length of said clip differs between said open configuration and said closed configuration. 15. The tissue connector assembly of claim 14 further comprising a needle coupled to said clip. 16. The tissue connector assembly of claim 15 wherein said needle is releasably coupled to said clip. 17. The tissue connector assembly of claim 14 wherein said clip has a generally U-shaped configuration when in said open configuration. 18. The tissue connector assembly of claim 14 wherein said coil surrounds at least a portion of said clip and is arranged to bias said clip in said open configuration. 19. A tissue connector assembly comprising a clip having an open configuration and a closed configuration and a restraint coupled to said clip when in said open configuration, wherein said clip assumes a spiral configuration in said closed configuration, wherein said restraint comprises an elongated member removably insertable into said clip, said clip and said elongated member configured such that said clip assumes said open configuration when said elongated member is inserted into said clip, and said clip transitions to said spiral configuration with removal of said elongated member from said clip. 20. The tissue connector assembly of claim 19 further comprising a needle coupled to said clip. 21. The tissue connector assembly of claim 20 wherein said needle is releasably coupled to said clip. 22. The tissue connector assembly of claim 19 wherein said clip comprises a tubular member and said elongated member is sized for insertion into said tubular member. 23. A tissue connector assembly comprising a clip having an open configuration and a closed configuration and a restraint coupled to said clip when in said open configuration, wherein said clip assumes a spiral configuration in said closed configuration, wherein said clip has a generally U-shaped configuration defined by a continuous, single bend direction along an entire length of said clip when in said open configuration. 24. A tissue connector assembly comprising a clip movable between an open configuration and a closed configuration, said clip having a spiral shaped configuration when in said closed configuration, and an open configuration in which said clip is configured to form less than a full 360 degree turn in extension between opposing terminal ends, wherein said clip has a generally U-shaped configuration when in said open configuration. 25. The tissue connector assembly of claim 24 wherein said clip spirals around a central longitudinal axis when in said closed configuration, said clip having a generally conical shape along said longitudinal axis. 26. The tissue connector assembly of claim 25 wherein said clip has an inner end and an outer end, said inner end having a smaller radius than said outer end, said inner end being coupled to a needle. 27. The tissue connector assembly of claim 24 further comprising a needle releasably attached to said clip. 28. A tissue connector assembly comprising: a surgical clip having a relaxed state; a needle having a sharp distal point; a connector releasably coupling said needle to said clip; and a biasing member associated with said surgical clip; wherein said connector, when coupling said needle to said clip, urges said biasing member to bias said clip away from said relaxed state. 29. The tissue connector assembly of claim 28, wherein said connector comprises a portion forming a recess, and said clip comprises a portion which adapted to mate with said recess. 30. The tissue connector assembly of claim 29, wherein said biasing member comprises a coil surrounding at least a portion of said clip, said coil including a first end restrained from movement in one direction along said clip, and a second movable end, wherein said coupling of said connector with said needle compresses said coil by movement of said second end. 31. A tissue connector assembly comprising a needle, a clip, and a locking device releasably connecting said needle to said clip, said locking device being movable between an open position for insertion and removal of said needle and a closed position for coupling said needle to said clip and biasing said clip in an open configuration. 32. The tissue connector assembly of claim 31 wherein said clip comprises a wire. 33. The tissue connector assembly of claim 32 wherein said wire comprises shape memory material. 34. The tissue connector assembly of claim 31 further comprising a spring for biasing said clip in said open configuration. 35. A method for connecting multiple portions of material, at least one of which comprises tissue, comprising: inserting a clip formed of a wire having opposing first and second terminal tips, which is spring biased away from a closed configuration to an open configuration, through said multiple portions of material, at least one of which comprises tissue, including initially inserting said first tip into said multiple portions of material before any other segment of said clip; mechanically maintaining said clip in said open configuration while inserting said clip through said materials; and allowing said clip to return to said closed configuration and secure a portion of said material therein. 36. The method of claim 35 including maintaining said clip in said open configuration with a locking device. 37. The method of claim 35 wherein said clip is allowed to return to said closed configuration by disengaging said locking device. 38. The method of claim 37 wherein said clip includes a needle coupled to said locking device and said locking device is disengaged by decoupling said needle from said locking device. 39. The method of claim 35 wherein said clip is inserted through a layer of tissue and a layer of graft material. 40. A method for connecting multiple portions of material, at least one of which comprises tissue, said method comprising: inserting a needle having a clip attached thereto through said multiple portions with a needle holder, wherein said needle is initially inserted into said multiple portions followed by said clip, including pulling said needle through said multiple portions with said needle holder; and removing said needle from said clip with said needle holder, including removing a locking device holding said clip in an open position. 41. The method of claim 40 wherein said removing a locking device comprises applying an inwardly directed radial force to said locking device. 42. The method of claim 40 wherein said removing a locking device comprises uncompressing a coil biasing said clip in said open position. 43. The method of claim 40, wherein said inserting said needle includes grasping, releasing, and re-grasping said needle with said needle holder.
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