Patent · US Active

Surgical stapling apparatus

US8413871B2 · kind B2 · utility

2,091Cited by

109References

46Claims

0Family size

Assignee

Covidien LP · US

Inventors

Danyel Racenet · Killingworth, US
Ernie Aranyi · Easton, US
Richard Simpson · Hamden, US

Key dates

Filing date	Mar 5, 2008
Grant date	Apr 9, 2013
Priority date	—
Expiry date	Mar 5, 2028

Classification

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

Abstract

A surgical stapling apparatus is provided including a cartridge assembly defining a tissue contacting surface; an anvil assembly defining a tissue contacting surface; and a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly by at least one anchor. A loading unit is provided including a surgical buttress releasably secured to an anvil assembly and/or a staple cartridge secured thereto by at least one anchor, and a drive assembly including a knife blade, wherein movement of the drive assembly from a proximal position to a distal position results in the knife blade cutting the at least one anchor and freeing each surgical buttress from the anvil assembly and/or cartridge assembly.

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