Patent · US Active

Surgical access device including dual lumen cannula for anchor inflation and deflation

US11376037B2 · kind B2 · utility

2Cited by

161References

20Claims

0Family size

Assignee

Covidien LP · US

Inventors

Kevin Desjardin · Cheshire, US
Douglas M. Pattison · Town of East Hartford, US
Oksana Buyda · San Diego, US
Christopher A. Tokarz · Torrington, US
Jason Mickus · Avon, US
Astley C. Lobo · West Haven, US
Amanda M. Adinolfi · Wallingford, US

Key dates

Filing date	May 8, 2020
Grant date	Jul 5, 2022
Priority date	—
Expiry date	Aug 29, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2017/3492
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical access assembly includes a cannula including an elongated shaft having a proximal end portion including an anchor inflation port and a distal end portion including an expandable anchor. The elongated shaft includes an inner tube and an outer tube disposed over the inner tube. The inner tube includes at least one groove defined in an outer surface thereof that forms an inflation channel with an inner surface of the outer tube. The inflation channel is in communication with the anchor inflation port and the expandable anchor.

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