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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0265477 (1994-06-24) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 516 인용 특허 : 0 |
The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for temporarily occluding a blood vessel in an arterial graft in a thoracoscopic coronary artery bypass grafting pro
The invention provides a system and method for performing less-invasive surgical procedures within a body cavity. In a preferred embodiment, the invention provides a system and method for temporarily occluding a blood vessel in an arterial graft in a thoracoscopic coronary artery bypass grafting procedure. The system comprises a clamp (2) and an introducer (1) for introducing the clamp through a percutaneous penetration into the body cavity and applying the clamp to a tissue structure such as a blood vessel. The clamp has a pair of movable jaws (65, 67) coupled to one another, each jaw having a distal portion for engaging the tissue structure and a proximal portion having a camming surface (66, 68). The introducer has a longitudinal shaft (3) with a clamp engaging member (25) slidably coupled to the distal end of the shaft for releasably holding the clamp. A handle (11) is coupled to the proximal end of the shaft. The handle can be manipulated to axially slide the shaft with respect to the clamp engaging member so that the shaft engages the camming surfaces of the clamp to open and close the distal portions of the jaws without releasing the clamp from the introducer.
A surgical clamp configured for introduction through a small percutaneous incision in the body for occluding a vessel in a body cavity, the surgical clamp comprising: first and second jaws having distal sand proximal ends, the proximal ends being coupled together such that the distal ends are movabl
A surgical clamp configured for introduction through a small percutaneous incision in the body for occluding a vessel in a body cavity, the surgical clamp comprising: first and second jaws having distal sand proximal ends, the proximal ends being coupled together such that the distal ends are movable between an open position where the first and second jaws are disposed apart and a closed position where the first and second jaws are disposed closer together, the first and second jaws including atraumatic surfaces on the first and second jaws configured to atraumatically occlude the vessel without damaging the vessel; means at the proximal ends of the first and second jaws for releasably holding the clamp, the holding means including a spherical member; first and second camming surfaces on the first and second jaws distal to the holding means configured so that sliding engagement of the camming surfaces in an axial direction opens and closes the first and second jaws; and means for biasing the first and second jaws into the closed position.
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