End effector with a clamp arm assembly and blade

US9743947B2 · kind B2 · utility

Assignee

• Ethicon Endo-Surgery, Inc. · US

Inventors

• Daniel W. Price · Loveland, US
• Jeffrey D. Messerly · Cincinnati, US
• Prasanna Malaviya · Huangpu District, CN
• Robert J. Beetel · Sunnyvale, US
• Timothy G. Dietz · Wayne, US
• David A. Witt · Maineville, US
• Douglas J. Turner · Cincinnati, US
• David K. Norvell · Woodsfield, US
• Kip M. Rupp · New Richmond, US
• John A. Weed, III · Monroe, US
• Kevin D. Felder · Cincinnati, US
• Kevin L. Houser · Springboro, US
• Paul T. Franer · Cincinnati, US
• Craig N. Faller · Batavia, US
• Craig T. Davis · Cincinnati, US

Key dates

• Filing date: Dec 9, 2015
• Grant date: Aug 29, 2017
• Expiry date: Dec 9, 2035

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2090/037
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An end effector of a surgical instrument may generally comprise a blade, and a clamp arm assembly comprising a clamp arm movable between an open position and a closed position relative to the blade, and at least one camming member rotationally attached to the clamp arm, wherein the at least one camming member is configured to rotate relative to the blade as the clamp arm moves from the open position to the closed position.