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.

Date of Patent:
Jan. 25, 2022

Filed:

Sep. 05, 2018
Applicant:

Invuity, Inc., San Francisco, CA (US);

Inventors:

Alex Vayser, Mission Viejo, CA (US);

Fernando Erismann, New York, NY (US);

Douglas Rimer, Los Altos Hills, CA (US);

Gaston Tudury, San Francisco, CA (US);

Assignee:

Invuity, Inc., San Francisco, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 90/30 (2016.01); A61B 17/00 (2006.01); A61B 17/02 (2006.01);
U.S. Cl.
CPC ...
A61B 90/30 (2016.02); A61B 17/02 (2013.01); A61B 2017/00946 (2013.01); A61B 2090/306 (2016.02);
Abstract

A surgical instrument for illuminating a surgical field has an optical waveguide for transmitting light by total internal reflection. One or more control elements are disposed on the optical waveguide. The control elements extract light from the optical waveguide and control first and second optical properties of the extracted light Another surgical instrument includes a first and second optical waveguide for transmitting light by total internal reflection. A coupling element is attached to both optical waveguides such that the optical waveguides are movable and pivotable relative to one another.


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