Patent · US Active

Firing assembly for surgical stapler and surgical stapler

US9888923B2 · kind B2 · utility

10Cited by
27References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 2015
Grant dateFeb 13, 2018
Priority date—
Expiry dateAug 11, 2036

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2017/07278
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.