Actuation mechanisms and load adjustment assemblies for surgical instruments

US10285724B2 · kind B2 · utility

Assignee

• Ethicon, Inc. · US

Inventors

• Craig N. Faller · Batavia, US
• Jacob S. Gee · Cincinnati, US
• Paul F. Riestenberg · North Bend, US
• Jonathan T. Batross · Mason, US
• David A. Monroe · Milford, US
• Benjamin D. Dickerson · Cincinnati, US
• Jeffrey D. Messerly · Cincinnati, US

Key dates

• Filing date: Jul 31, 2014
• Grant date: May 14, 2019
• Expiry date: Jan 15, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/320095
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An ultrasonic surgical instrument includes an inner tube, an outer tube, an ultrasonic blade, and a clamp member pivotably moveable relative to the ultrasonic blade. The ultrasonic blade is acoustically coupled to an ultrasonic transducer. The clamp member pivotably movable relative to the ultrasonic blade between an open configuration and an approximated configuration with respect to the ultrasonic blade, wherein the clamp member is pivotably coupled to the inner tube, wherein the clamp member is pivotably coupled to the outer tube, and wherein movement of the outer tube relative to the inner tube between the first position and the second position transitions the clamp member between the open configuration and the approximate configuration.