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:
Nov. 10, 2026

Filed:

Nov. 17, 2023
Applicant:

Applied Medical Resources Corporation, Rancho Santa Margarita, CA (US);

Inventors:

Igor Gorin, Rancho Santa Margarita, CA (US);

Matthew Carter, Rancho Santa Margarita, CA (US);

Assignee:

Applied Medical Resources Corporation, Rancho Santa Margarita, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 18/12 (2006.01); A61B 18/00 (2006.01); H03H 7/38 (2006.01);
U.S. Cl.
CPC ...
A61B 18/1233 (2013.01); A61B 2018/00642 (2013.01); A61B 2018/0072 (2013.01); A61B 2018/0075 (2013.01); A61B 2018/00767 (2013.01); A61B 2560/02 (2013.01); A61B 2560/04 (2013.01); H03H 7/38 (2013.01);
Abstract

Systems and methods for performing impedance matching to enhance surgical outcomes in an electrosurgical system are described. An impedance matching network is interposed along a path of RF energy and matches dynamically an output impedance of an electrosurgical generator to an input impedance of the tissue load by varying the inductance of a resonant cell. As a result, an adjustment is made to the output phase of the electrosurgical generator to ensure an optimal matching of the source and load impedances based on sealing, fusing or cutting cycle of the tissue. This leads to a resonance condition which provides a zero-degrees phase shift between the RF output voltage and current of the electrosurgical generator. The inductance of the resonant cell is proportional to either the magnitude of the current flowing through DC windings of a saturable core reactor or on the size of an airgap in the inductor core material.


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Gorin, Igor. (2026). Impedance matching in electrosurgery (U.S. Patent No. 12788472). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12788472

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