Surgical stapler with cartridge pan retention features

US11672559B2 · kind B2 · utility

Assignee

• Cilag GmbH International · CH

Inventors

• Gregory G. Scott · Cincinnati, US
• Ryan W. McGhee · Cincinnati, US
• Patrick M. Schleitweiler · Sharonville, US
• Stephen J. Balek · Springboro, US
• Thomas W. Lytle, IV · Monroe, US
• Bryan R. Keller · Springboro, US
• Mollie Casey · Cincinnati, US

Key dates

• Filing date: Jun 17, 2020
• Grant date: Jun 13, 2023
• Expiry date: Oct 25, 2040

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/320097
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical instrument end effector includes a first jaw, a second jaw, a staple cartridge, and a retention cap. The second jaw including an anvil having a plurality of staple forming pockets. The first and second jaws are operable to clamp and staple tissue positioned therebetween. The staple cartridge is configured for receipt within the first jaw. The staple cartridge includes a cartridge body, a lower tray, and a plurality of staples. The cartridge body and the lower tray are configured to couple together. The retention cap is configured to fasten to a proximal end of the cartridge body and to engage the lower tray. The retention cap is further configured to fix the position of the lower tray relative to the cartridge body.