Patent · US Active

Surgical stapling apparatus

US8631989B2 · kind B2 · utility

408Cited by

141References

17Claims

0Family size

Assignee

Covidien LP · US

Inventors

Ernest Aranyi · Easton, US
Patrick Mozdzierz · Glastonbury, US
Lee Ann Olson · Wallingford, US
Sachin Shah · Milford, US
Kevin Golebieski · Prospect, US
Richard Simpson · Hamden, US
Anthony Gaddy · Windsor, US

Key dates

Filing date	Dec 28, 2012
Grant date	Jan 21, 2014
Priority date	—
Expiry date	Dec 28, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/07285
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A loading unit for use with a surgical stapling apparatus is provided and includes a tool assembly having a cartridge assembly and an anvil assembly that are movable in relation to one another; a surgical buttress releasably secured to a tissue contacting surface of the anvil assembly and/or the cartridge assembly, wherein each surgical buttress is secured to the anvil assembly and/or the cartridge assembly by at least one anchor; a release assembly associated with the anvil assembly and/or the cartridge assembly; and a drive assembly slidably translatable through the tool assembly between proximal and distal positions, wherein the drive assembly actuates the release assembly to thereby release the anchor to free the surgical buttress from the anvil assembly and/or the cartridge assembly.

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