Surgical instrument assembly

US10869669B2 · kind B2 · utility

Assignee

• Ethicon, Inc. · US

Inventors

• Frederick E. Shelton, IV · Hillsboro, US
• Chester O. Baxter, III · Loveland, US
• Jeffrey S. Swayze · Hamilton, US
• Jerome R. Morgan · Cincinnati, US
• Sora Rhee · Cincinnati, US
• Taylor W. Aronhalt · Loveland, US

Key dates

• Filing date: Mar 30, 2017
• Grant date: Dec 22, 2020
• Expiry date: Nov 26, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/0811
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical instrument assembly comprising a shaft assembly and an end effector is disclosed. The shaft assembly comprises a firing system and a closure system comprising a closing cam. The firing system comprises a first camming member and a second camming member. The closure system is separate and distinct from the firing system. The end effector comprises a first jaw, a second jaw, a cartridge body, and a metal staple matrix. The second jaw is movable relative to the first jaw when a closing motion is applied to the second jaw by the closure cam during a closing stroke. The first jaw is configured to be engaged by the first camming member and the second jaw is configured to be engaged by the second camming member during a staple firing stroke. The metal staple matrix comprises a plurality of staples and a metal staple-connecting member interconnecting the staples.