Patent · US Active

Surgical stapling instruments including a cartridge having multiple staple sizes

US7472816B2 · kind B2 · utility

1,822Cited by

34References

16Claims

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
Nicola Cullinan · Bethel, US

Key dates

Filing date	Jan 25, 2008
Grant date	Jan 6, 2009
Priority date	—
Expiry date	Jan 25, 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.