Surgical stapling device with coated knife blade

US7942302B2 · kind B2 · utility

Assignee

• Tyco Healthcare Group LP · US

Inventors

• Mark S. Roby · Killingworth, US
• Keith L. Milliman · Bethel, US
• Anthony Dato · East Haven, US
• Douglas J. Cuny · Bethel, US
• Anthony Gaddy · Windsor, US
• John Kennedy · Guilford, US
• Nicholas Maiorino · Branford, US
• Alan Cabezas · Ansonia, US

Key dates

• Filing date: Jul 11, 2008
• Grant date: May 17, 2011
• Expiry date: Jan 27, 2029

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/111
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The surgical stapling device includes a knife blade possessing a lubricious coating which enhances the ability of the knife to cut through tissue and minimizes the knife sticking to tissue or other components of the surgical stapling device.