Patent · US Active

Surgical stapling instruments including a cartridge having multiple staple sizes

US7828189B2 · kind B2 · utility

1,932Cited by

40References

12Claims

0Family size

Assignee

Tyco Healthcare Group LP · US

Inventors

Henry E. Holsten · Wolcott, US
Frank J. Viola · Sandy Hook, US
Clifford L. Emmons · Oakville, US
John W. Beardsley · Wallingford, US
Russell Heinrich · Madison, US

Key dates

Filing date	Jul 21, 2008
Grant date	Nov 9, 2010
Priority date	—
Expiry date	Jul 21, 2028

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/320052
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge.

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