Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
S. Christopher Anderson0
William J. Park0
Thomas G. Cooper0
Matthew R. Williams0
Date of Patent
April 19, 2022
0Patent Application Number
163813230
Date Filed
April 11, 2019
0Patent Citations
Patent Primary Examiner
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.
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