Patent · US Active

Sheath for surgical instrument

US11304766B2 · kind B2 · utility

0Cited by

31References

17Claims

0Family size

Assignee

INTUITIVE SURGICAL OPERATIONS, INC. · US

Inventors

William J. Park · Sunnyvale, US
S. Christopher Anderson · San Francisco, US
Thomas G. Cooper · Menlo Park, US
Matthew R. Williams · Walnut Creek, US

Key dates

Filing date	Apr 11, 2019
Grant date	Apr 19, 2022
Priority date	—
Expiry date	Jul 9, 2039

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B2090/0813
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A surgical apparatus comprises an instrument shaft having a proximal end and a distal end, an end effector coupled to the distal end of the shaft, and a sheath disposed on an external surface of the instrument shaft. The sheath has a first section made of ePTFE and a second section made of a second material, wherein the second section provides a friction seal with the shaft, and wherein the ePTFE is gas-permeable.

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