Patent · US Active

Surgical stapling apparatus

US8365972B2 · kind B2 · utility

1,453Cited by

106References

6Claims

0Family size

Assignee

Covidien LP · US

Inventors

Ernie 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	Apr 29, 2011
Grant date	Feb 5, 2013
Priority date	—
Expiry date	May 26, 2031

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 the surgical buttress secured to the anvil assembly is secured by at least one anchor; and a drive assembly slidably translatable through the tool assembly between proximal and distal positions. The anvil assembly has pairs of side recesses, at least one of which is a keyhole-shaped, or has an enlarged head portion.

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