SUZHOU TOUCHSTONE INTERNATIONAL MEDICAL SCIENCE CO.; LTD.
发明人:
Wangdong Chen,Kezhan Sun
申请号：
US14655350
公开号：
US20150335332A1
申请日:
2013.12.27
申请国别(地区):
US
年份:
2015
代理人:
摘要：
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 expansion-stopping 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.
