Patent · US Active

Locking articulation mechanism for surgical stapler

US8336754B2 · kind B2 · utility

1,668Cited by

54References

9Claims

0Family size

Assignee

Covidien LP · US

Inventors

Kenneth M. Cappola · Monroe, US
Paul Scirica · Huntington, US
Patrick Mozdzierz · Glastonbury, US
Frank Marini · Monroe, US

Key dates

Filing date	Feb 4, 2011
Grant date	Dec 25, 2012
Priority date	—
Expiry date	Mar 10, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/2946
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical stapler is provided and comprises a handle assembly, an elongated body, an articulable tool assembly, and an articulation mechanism. The articulation mechanism has: a main shaft member connected to an articulation linkage; a retainer having an opening for receiving a shaft portion of the main shaft member; a cam lock having cam locking surfaces and a locking tab; a locking cover defining recesses for receiving the locking tab; an articulation handle having cam surfaces configured to engage the cam locking surfaces of the cam lock.

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