| 摘要 |
The present invention discloses a firing assembly for a surgical stapler, which 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. For the firing assembly of the present invention, the firing action is gentle and that the stapling effect for the anastomosed tissues is uniform. |
