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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0781578 (1997-01-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 568 인용 특허 : 2 |
A surgical fastener in the form of a pinned retainer, instrument and method are provided for constructing a graft to artery anastomosis and other soft tissue anastomoses, particularly by minimally invasive (or endoscopic) surgery. The pinned retainer fastener is comprised of a needle and a retainer.
A surgical fastener in the form of a pinned retainer, instrument and method are provided for constructing a graft to artery anastomosis and other soft tissue anastomoses, particularly by minimally invasive (or endoscopic) surgery. The pinned retainer fastener is comprised of a needle and a retainer. The needle has a base, shaft and tip that allow this member to be sewn through, for example, a graft and artery to be joined. The retainer has an aperture to receive and securely engage the needle shaft to seal the graft and artery together between cooperating surfaces of the needle base and retainer. The instrument holds the needle and retainer at its distal or working end, and controls in the handle allow application of the retainer. The method employs the pinned retainer fasteners and instrument to join soft tissues and to construct graft to artery anastomoses.
[ We claim:] [1.] A surgical fastener comprising:a needle including a base, a shaft and a tip, said base comprising an upper surface, a lower surface, and further comprising at least two substantially planar surfaces extending in substantially the same direction, said shaft extending from the upper
[ We claim:] [1.] A surgical fastener comprising:a needle including a base, a shaft and a tip, said base comprising an upper surface, a lower surface, and further comprising at least two substantially planar surfaces extending in substantially the same direction, said shaft extending from the upper surface of said base and having a retainer-engaging portion, and said tip being at an end of said shaft opposite said base and configured to pierce a graft, artery or other soft tissue, anda retainer comprising a plate comprising resilient material, said plate having an aperture defined by a portion of said plate that is adapted to engage said shaft and having means for securing the retainer at a selectable position on the retainer-engaging portion of said shaft of the needle without substantially deforming said shaft, said retainer further having a surface that cooperates with the upper surface of the base of the needle to contact and secure between those surface portions of materials together wherein at least one of the portions is tissue.
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