Valve assembly and retainer for surgical access assembly

US11357542B2 · kind B2 · utility

Assignee

• Covidien LP · US

Inventors

• Roy J. Pilletere · North Haven, US
• Jacob C. Baril · Norwalk, US
• Garrett P. Ebersole · New Haven, US
• Matthew A. Dinino · Newington, US
• Justin Thomas · New Haven, US
• Eric Brown · Madison, US
• Nicolette R. LaPierre · Bull Run Corner, US

Key dates

• Filing date: Jun 21, 2019
• Grant date: Jun 14, 2022
• Expiry date: Jan 5, 2040

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16K2099/0086
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A surgical access assembly includes a cannula, a valve housing attached to the cannula, and a valve assembly positioned in the valve housing. The valve assembly includes a centering mechanism with a hoop and fingers, a ring with a flange at one end of the ring, a retainer having first and second discs, a guard having a frame and flaps attached to the frame, and a seal with petals attached to a support. The guard is at least partially disposed in the first disc and the seal is at least partially disposed in the second disc.