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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | UP-0820077 (2007-06-18) |
| 등록번호 | US-7731072 (2010-06-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 613 인용 특허 : 385 |
A surgical instrument that has an elongate channel assembly configured to operably support a staple cartridge therein. An anvil assembly may be movably and detachably coupled to the elongate channel assembly. In various embodiments, the anvil assembly may have a pair of trunnions pivotally received
A surgical instrument that has an elongate channel assembly configured to operably support a staple cartridge therein. An anvil assembly may be movably and detachably coupled to the elongate channel assembly. In various embodiments, the anvil assembly may have a pair of trunnions pivotally received in open-ended slots in the elongate channel assembly. The trunnions may be retained in the opened ended slots by a selectively movable trunnion retention bar or by a closure member configured to apply a closing motion to the anvil. In other embodiments, a knife assembly may be supported within the elongate channel assembly for axial travel therein. The knife assembly may be provided with a detachable pin that is configured to ride in a slot in the anvil as the knife assembly is driven in the elongate channel assembly to draw the anvil assembly toward the elongate channel assembly. The pin is configured to be detached from the knife assembly to enable the anvil assembly to be detached therefrom.
What is claimed is: 1. A surgical instrument comprising: an elongate channel assembly having a proximal end and a distal end and configured to operably support a staple cartridge therein; an anvil assembly having a proximal end movably and selectively detachably coupled to said proximal end of said
What is claimed is: 1. A surgical instrument comprising: an elongate channel assembly having a proximal end and a distal end and configured to operably support a staple cartridge therein; an anvil assembly having a proximal end movably and selectively detachably coupled to said proximal end of said elongate channel assembly; a spring member on said anvil assembly; and a knife assembly movably supported within said elongate channel assembly and operably communicating with a drive system for driving said knife assembly from said proximal end of said elongate channel assembly to said distal end of said elongate channel assembly, said knife assembly configured to movably engage said anvil assembly such that, as said knife assembly is driven from said proximal end to said distal end of said elongate channel assembly, said knife assembly draws said anvil assembly toward said elongate channel assembly and wherein said knife assembly is configured to disengage said anvil assembly upon engagement with said spring member when said knife assembly has been driven to said distal end of said elongate channel assembly. 2. A method for processing an instrument for surgery, the method comprising: obtaining the surgical instrument of claim 1; sterilizing the surgical instrument; and storing the instrument in a sterile container. 3. The surgical instrument of claim 1 wherein said anvil assembly has a slot formed therein for receiving a pin detachably coupled to said knife assembly.
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