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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0031820 (2008-02-15) |
| 등록번호 | US7959051 (2011-05-31) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 632 인용 특허 : 0 |
A surgical stapling instrument including an actuator configured to be retracted relative to the distal end of the disposable loading unit and rotate an anvil between an open position and a closed position. The actuator can include a cam, where the cam can include an arcuate profile having an apex co
A surgical stapling instrument including an actuator configured to be retracted relative to the distal end of the disposable loading unit and rotate an anvil between an open position and a closed position. The actuator can include a cam, where the cam can include an arcuate profile having an apex configured to be in contact with the anvil when the anvil is in a closed position. In at least one such embodiment, the anvil can apply a clamping force to the soft tissue prior to the staples being deployed to prevent, or at least inhibit, soft tissue from flowing, or ‘milking’, out of the distal end of the disposable loading unit. In various embodiments, a surgical stapling instrument can include a disposable loading unit having an anvil which can be moved between open, closed, and/or collapsed positions to facilitate the insertion of the disposable loading unit through a trocar.
What is claimed is: 1. A disposable loading unit for a surgical stapling instrument, comprising:a staple cartridge carrier configured to operably support a staple cartridge;an anvil including at least one staple-deforming cavity, wherein said anvil is rotatably mounted relative to said staple cartri
What is claimed is: 1. A disposable loading unit for a surgical stapling instrument, comprising:a staple cartridge carrier configured to operably support a staple cartridge;an anvil including at least one staple-deforming cavity, wherein said anvil is rotatably mounted relative to said staple cartridge carrier, wherein said anvil is configured to be rotated between an open position and a closed position, and wherein said anvil includes a proximal end rotatably mounted to said staple cartridge carrier and a distal end movable relative to said staple cartridge carrier, wherein said anvil and said staple cartridge carrier are configured to define a pivot axis about which said anvil can be pivoted, said anvil further comprising a cam surface proximal to said pivot axis and facing said staple cartridge carrier;a drive member movable relative to said staple cartridge carrier and said anvil, wherein said drive member is configured to be advanced from said proximal end of said anvil toward said distal end of said anvil to deploy staples from the staple cartridge; andan actuator having a cam configured to contact said cam surface when said cam is slid away from said distal end of said anvil to rotate said anvil from said open position into said closed position when said actuator is retracted away from said distal end of said anvil.
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