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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0413654 (1995-03-30) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 855 인용 특허 : 0 |
A surgical instrument is provided which is insertable through an endoscopic tube to enable a surgeon to perform a surgical technique inside a body cavity. The surgical instrument includes a shaft with a pivotally mounted tip attached thereto, the shaft extending from a handle for gripping the instru
A surgical instrument is provided which is insertable through an endoscopic tube to enable a surgeon to perform a surgical technique inside a body cavity. The surgical instrument includes a shaft with a pivotally mounted tip attached thereto, the shaft extending from a handle for gripping the instrument for insertion to the body cavity. The tip of the shaft is adjustable to different angular orientations relative to the support shaft and is rotatable at any angular orientation of the tip. The support shaft may be rotatable about its longitudinal axis relative to the handle, or it may be fixed with respect to the handle, in which case the handle may be rotated to rotate the shaft inside the body cavity. In one embodiment, the surgical instrument comprises an endoscopic stapling device and the tip of the instrument comprises a staple cartridge which is rotatable 360.degree. about its axes after the cartridge has been articulated with respect to the support shaft. An improved device for articulating the shaft tip is also provided in which a control knob is mounted to the support shaft for providing sweeping articulation of the shaft tip. Separate actuator mechanisms are provided on the handle to control the pivotal movement of the shaft tip, as well as the rotation of the shaft tip and the rotation of the support shaft.
[ We claim:] [8.] A surgical stapling instrument for applying one or more surgical staples to tissue, said instrument comprising:a support shaft having a longitudinal axis;a staple cartridge containing a plurality of staples and mounted on said support shaft for pivotal movement about a transverse a
[ We claim:] [8.] A surgical stapling instrument for applying one or more surgical staples to tissue, said instrument comprising:a support shaft having a longitudinal axis;a staple cartridge containing a plurality of staples and mounted on said support shaft for pivotal movement about a transverse axis of articulation perpendicular to said shaft longitudinal axis to at least one articulated position, said cartridge containing a staple advancing and forming mechanism for effecting application of one of said staples to said tissue, said cartridge also being rotatable relative to said shaft about a cartridge axis defined along the length of said cartridge;an operating rod generally traversing the length of said shaft longitudinal axis extending along said support shaft to said cartridge and connected with said staple advancing and forming mechanism, said rod including a flexible portion adjacent said transverse axis to accommodate the articulation of said instrument;a knob connected to said rod proximally of said cartridge to rotate said cartridge relative to said shaft; anda staple actuator mechanism connected to said rod and operable from a location proximally of said cartridge to move said rod longitudinally for actuating said staple advancing and forming mechanism in said cartridge and to accommodate the rotation of said cartridge relative to said shaft;wherein each said staple has(A) a generally U-shaped body including a crown, and(B) a pair of legs each depending from opposite end of said crown;said staples are arranged in a side-by-side stack oriented transversely to the cartridge axis with the staple legs oriented perpendicularly to the cartridge axis; andsaid staple advancing and forming mechanism engages the distalmost staple to advance the distalmost staple distally to effect engagement of part of said staple crown with a part of said cartridge whereby the staple rotates about ninety degrees to an orientation with the staple legs oriented parallel to the cartridge axis.
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