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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0037977 (2001-11-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 547 인용 특허 : 140 |
A surgical instrument is provided for use in endoscopic or laparoscopic procedures. The instrument includes a handle portion, an endoscopic portion extending from the handle portion, an articulating section pivotably connected to a distal end portion of the endoscopic portion, and a retractor assemb
A surgical instrument is provided for use in endoscopic or laparoscopic procedures. The instrument includes a handle portion, an endoscopic portion extending from the handle portion, an articulating section pivotably connected to a distal end portion of the endoscopic portion, and a retractor assembly operatively associated with the articulating section. Structure is provided for manipulating the articulating section relative to the longitudinal axis of the endoscopic portion within an angular degree of rotation. An injection port may also be provided to deliver fluids through the endoscopic portion to the operative site.
What is claimed is: 1. An endoscopic surgical apparatus comprising: a handle portion an endoscopic portion defining a longitudinal axis and extending distally from the handle portion, the endoscopic portion being rotatably supported by the handle portion about its longitudinal axis and including an
What is claimed is: 1. An endoscopic surgical apparatus comprising: a handle portion an endoscopic portion defining a longitudinal axis and extending distally from the handle portion, the endoscopic portion being rotatably supported by the handle portion about its longitudinal axis and including an elongated tubular section having a proximal end and a distal end; an articulating portion pivotally supported on the distal end of the elongated tubular section; a tool head supported by the articulating portion, the tool head including cooperating jaws, each of the jaws being movable in relation to each other and the articulating portion between open and closed positions; a link supported within the endoscopic portion, the link having a proximal end and a distal end, the distal end operatively connected to the articulating portion and being movable within the endoscopic portion to pivot the articulation portion about an axis transverse to a longitudinal axis of the endoscopic portion; and an actuation member supported within the endoscopic portion, the actuation member having a distal end operatively connected to the tool head and being movable with the endoscopic portion to move the cooperating jaws between the open and closed positions. 2. An endoscopic surgical apparatus according to claim 1, wherein the actuation member includes a flexible cable. 3. An endoscopic surgical apparatus according to claim 1, wherein the cooperating jaws are configured as graspers. 4. An endoscopic surgical apparatus according to claim 1, further including a rotatable collar secured to the proximal end of the endoscopic portion and supported on the handle portion, the collar being rotatable to effect rotation of the endoscopic portion in relation to the handle portion. 5. An endoscopic surgical apparatus according to claim 1, wherein the handle portion includes a fixed handle and a movable handle, the movable handle being operatively connected to the link and being actuable to move the link within the endoscopic portion. 6. An endoscopic surgical apparatus according to claim 5, further including a rod interconnecting the distal end of the link to the articulating portion, the rod being pivotally connected to the link and the articulating portion. 7. An endoscopic surgical apparatus according to claim 1, wherein the articulating portion is pivotable about a pivot point within a 90째 sector of rotation. 8. An endoscopic surgical apparatus according to claim 1, wherein the cooperating jaws are configured as multiple blade members. 9. An endoscopic surgical apparatus according to claim 1, wherein the elongated tubular section includes a longitudinal slot extending proximally from the distal end thereof, the articulating portion being pivotally supported within the longitudinal slot. 10. An endoscopic surgical apparatus according to claim 1, further comprising a rotatable wing member secured to the proximal end of the link and supported on the handle, the wing member being rotatable to effect rotation of the articulating portion in relation to the handle portion to a predetermined position.
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