Patent · US Active

Seal assemblies for surgical access assemblies

US11259841B2 · kind B2 · utility

1Cited by

321References

18Claims

0Family size

Assignee

Covidien LP · US

Inventors

Roy J. Pilletere · North Haven, US
Matthew A. Dinino · Newington, US
Nicolette R. LaPierre · Bull Run Corner, US
Garrett P. Ebersole · New Haven, US
Jacob C. Baril · Norwalk, US
George S. Matta · Plainville, US
Eric Brown · Madison, US
Kevin Desjardin · Cheshire, US

Key dates

Filing date	Jun 21, 2019
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Apr 3, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M2039/0686
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

Access assemblies includes an instrument valve housing and a valve assembly disposed within the cavity of the instrument valve housing. The valve assembly includes a guard assembly, and a seal assembly disposed distal of the guard assembly. In embodiments, the seal assembly includes a plurality of seal segments in an overlapping configuration. Each seal segment of the plurality of seal segments includes a seal portion having a smooth surface and a ribbed surface. The ribbed surfaces include a plurality of ribs extending in a radial direction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.