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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0947657 (1997-10-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 712 인용 특허 : 0 |
A surgical instrument for forming a fully tied knot to fasten bodily tissue is disclosed. The instrument has a handle assembly for actuating first and second actuators. The first actuator remotely effects movement of a grasping jaw from an open position to a closed position relative to a suture cart
A surgical instrument for forming a fully tied knot to fasten bodily tissue is disclosed. The instrument has a handle assembly for actuating first and second actuators. The first actuator remotely effects movement of a grasping jaw from an open position to a closed position relative to a suture cartridge contained in a cartridge carrier at the distal end of the instrument. Accordingly, the first actuator is capable of causing the manipulation of bodily tissue or suture filament contained in the suture cartridge. The second actuator is operatively connected to the suture filament in the suture cartridge. A portion of the suture filament is configured into a partially tied knot, and when the second actuator is actuated, it causes the proximal end of the filament to be pulled for converting the partially tied knot into a fully formed knot. Consequently, the instrument is particularly desirable during endoscopic surgery where the bodily tissue and the suture filament need to be manipulated remotely, and the conversion of the partially tied knot into the fully formed knot must also be carried out remotely to fasten the targeted tissue.
[ What is claimed is:] [1.] A surgical instrument for forming a fully tied knot to fasten bodily tissue during a surgical procedure, said instrument comprising:a) a suture cartridge at a distal end of said instrument, said cartridge containing a suture filament configured into a partially tied knot
[ What is claimed is:] [1.] A surgical instrument for forming a fully tied knot to fasten bodily tissue during a surgical procedure, said instrument comprising:a) a suture cartridge at a distal end of said instrument, said cartridge containing a suture filament configured into a partially tied knot at a distal end of said suture filament;b) a cartridge carrier at the instrument distal end for receiving said suture cartridge;c) a grasping jaw facing said suture cartridge in said cartridge carrier, said grasping jaw moveable from an open position spaced from said suture cartridge to a closed position adjacent said suture cartridge;d) a handle assembly spaced from said suture cartridge and located at a proximal end of said instrument, said handle assembly having:i) a grip for manipulating said instrument,ii) a first actuator for effecting the movement of the grasping jaw from the open position to the closed position, andiii) a second actuator operatively connected to a proximal end of said suture filament for pulling the filament proximal end proximally so as to form said fully tied knot from said partially tied knot to fasten the bodily tissue; ande) a closure tube coupling said cartridge carrier to said handle assembly, said closure tube moveable from a proximal position wherein said grasping jaw is in the open position to a distal position wherein said grasping jaw is in the closed position in response to actuation of said first actuator.
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