Firing assembly for surgical stapler and surgical stapler
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United States of America Patent
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Feb 13, 2018
Issued Date -
N/A
app pub date -
Jun 25, 2015
filing date -
Dec 28, 2012
priority date (Note) -
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Abstract
A firing assembly for a surgical stapler includes a shell, a pressure chamber arranged in the shell to accommodates fluid, an ejector rod located below the shell to provide an actuated force and press the fluid in the pressure chamber, a number of piston holes communicating with the pressure chamber, a number of pistons received in the piston holes and a number of firing portions actuated by the pistons. The firing action of the stapler is gentle and the stapling effect for the anastomosed tissues is uniform.
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