Surgical stapler and methods

Details Surgical stapler and methods Surgical stapler and methods

A - Human Necessities

61

B

128/122

A61B 17/10 (2006.01) A61B 17/068 (2006.01)

Patent

CA 1268094

SURGICAL STAPLER AND METHODS Abstract of the Disclosure A surgical stapler includes a moving driver and an anvil moving in the same direction as the driver to pick off a staple from a supply, and to transport it to a forming station. The anvil is there stopped, but the driver continues to move forwardly forming the staple about the anvil. The anvil is locked against retraction until the driver is par- tially retracted in order to facilitate staple ejec- tion. A drive linkage includes a four-bar linkage and a trigger mounted cam drive for dispersing required input forces over the trigger movement and minimizing force variations and maximum input. Modular features and construction provide use and manufacturing advan- tages. Methods are included.

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