The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2024
Filed:
Aug. 17, 2022
Applicant:
Intuitive Surgical Operations, Inc., Sunnyvale, CA (US);
Inventors:
Stephen J. Blumenkranz, Los Altos Hills, CA (US);
Bruce M. Schena, Menlo Park, CA (US);
Randal P. Goldberg, San Mateo, CA (US);
Assignee:
Intuitive Surgical Operations, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/34 (2006.01); A61B 34/00 (2016.01); A61B 34/30 (2016.01); A61B 34/37 (2016.01); A61B 90/00 (2016.01);
U.S. Cl.
CPC ...
A61B 17/3423 (2013.01); A61B 17/3462 (2013.01); A61B 34/30 (2016.02); A61B 34/37 (2016.02); A61B 34/76 (2016.02); A61B 2017/3441 (2013.01); A61B 17/3474 (2013.01); A61B 2090/065 (2016.02);
Abstract
Embodiments of a cannula seal are disclosed. In some embodiments, a cannula seal can include a base portion that engages with a cannula; and a seal portion integrally formed with the base portion that slidebly engages with an instrument shaft such that an insertion frictional force between the seal portion and the instrument shaft for insertion of the instrument shaft is symmetrical and substantially equal with a retraction frictional force.