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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0699620 (2007-01-29) |
| 등록번호 | US-7419081 (2008-09-02) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 444 인용 특허 : 75 |
An improved surgical fastener applying apparatus includes a cartridge half-section and an anvil half-section with the cartridge and anvil half-sections being relatively movable from an unclamped position to a fully clamped position. The apparatus includes a replaceable staple cartridge assembly havi
An improved surgical fastener applying apparatus includes a cartridge half-section and an anvil half-section with the cartridge and anvil half-sections being relatively movable from an unclamped position to a fully clamped position. The apparatus includes a replaceable staple cartridge assembly having a plurality of surgical staples and a pivotably mounted safety lock-out. The safety lock-out is pivotable between an initial position in which a relative movement of the cartridge and anvil half-sections to the fully clamped position is permitted and a blocking position in which a relative movement of the cartridge and anvil half-sections to return them to their fully clamped position after the plurality of staples have been at least partially fired is prevented. The apparatus further includes a pivotably mounted firing lever for moving a pair of camming surfaces longitudinally. In addition, each of the presently disclosed cartridge and anvil half-sections of the fastener applying apparatus includes a clamping lever, which clamping levers are configured and adapted to enable the applying apparatus to be opened by either one of the cartridge half-section and the anvil half-section.
The invention claimed is: 1. A surgical fastener applying apparatus, comprising: a cartridge half-section supporting a pair of camming surface extensions extending from a cam bar arrangement; an anvil half-section, said cartridge and anvil half-sections being relatively movable from an unclamped po
The invention claimed is: 1. A surgical fastener applying apparatus, comprising: a cartridge half-section supporting a pair of camming surface extensions extending from a cam bar arrangement; an anvil half-section, said cartridge and anvil half-sections being relatively movable from an unclamped position to a clamped position; a first clamp lever operatively connected to the cartridge half-section and a second clamp lever operatively connected to the anvil half-section; wherein each clamp lever is movable between a first position in which the cartridge and anvil half sections are in the unclamped position, and a second position in which the cartridge and anvil half sections are in the clamped position; and a pivotably mounted firing lever operatively associated with said pair of camming surface extensions to move said pair of camming surface extensions longitudinally to thereby sequentially fire said plurality of surgical staples in a direction transverse to a direction of travel of said pair of camming surface extensions, wherein the firing lever is pivotable to extend to a right side and left side of the apparatus. 2. The surgical fastener applying apparatus of claim 1, wherein the cartridge and anvil half-sections may be unclamped from one another upon actuation of at least one of the first and second clamp levers. 3. The surgical fastener applying apparatus of claim 1, wherein at least one of the cartridge and anvil half-sections includes a clamp lever latch configured and adapted to retain a respective first and second clamp lever in the clamped position. 4. The surgical fastener applying apparatus of claim 3, wherein each clamping lever includes a latch handle release member, each latch handle release member is biased in a proximal direction, each latch handle release member engages a respective first and second clamp lever when said respective first and second clamp lever is in said clamped position. 5. The surgical fastener applying apparatus of claim 4, wherein distal movement of said latch handle release member results in disengagement from said respective first and second clamp lever. 6. The surgical fastener applying apparatus of claim 5, wherein each of said first and second clamp levers includes a clamp lever latch configured and adapted to selectively engage a respective one of said latch handle release members. 7. The surgical fastener applying apparatus of claim 1, further comprising a replaceable staple cartridge assembly receivable in said cartridge half-section, said cartridge assembly including a plurality of surgical staples. 8. The surgical fastener applying apparatus of claim 3, wherein each clamp lever latch prevents opening of either clamp lever once staple firing is initiated.
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