Patent · US Active

Shaft attachment feature for circular surgical stapler

US11504128B2 · kind B2 · utility

0Cited by

23References

20Claims

0Family size

Assignee

Cilag GmbH International · CH

Inventors

John S. Kimsey · Walton, US
Shane R. Adams · Lebanon, US
Vijay K. Sakhare · Mason, US

Key dates

Filing date	May 29, 2020
Grant date	Nov 22, 2022
Priority date	—
Expiry date	May 29, 2040

Classification

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

Abstract

An apparatus includes a body, a shaft, and a stapling head assembly. The shaft extends distally from the body and includes a coupling feature. The coupling feature includes threading or at least one barb. The stapling head assembly is configured to cut and staple tissue. The stapling head assembly is positioned at a distal end of the shaft. The stapling head assembly includes a knife member and a body member. The knife member includes a circular cutting edge configured to cut through tissue. The body member is configured to house the knife member. The body member includes a coupling feature that is configured to mechanically couple with the coupling feature of the shaft. The coupling feature of the body member includes threading or at least one barb.

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