Patent · US Active

Circular stapler and staple head assembly thereof

US10433848B2 · kind B2 · utility

29Cited by

26References

22Claims

0Family size

Assignee

SUZHOU TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO., LTD. · CN

Inventors

Wangdong Chen · 安丰镇, CN
Kezhan Sun · Suzhou, CN

Key dates

Filing date	Dec 27, 2013
Grant date	Oct 8, 2019
Priority date	—
Expiry date	Apr 15, 2036

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/0811
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A circular stapler and a staple head assembly thereof are disclosed. The staple head assembly comprises a staple barrel assembly and an anvil assembly. The anvil assembly includes an anvil ring and an anvil shaft which are fixedly connected to each other, where the anvil shaft is capable of sliding along the longitudinal direction in an anti-expansion tube. The staple barrel assembly includes a staple barrel, a staple pusher piece arranged within the staple barrel and a staple cartridge fixed at a distal end of the staple barrel.

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