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. 24, 2020

Filed:

Aug. 09, 2012
Applicants:

Tohru Tani, Otsu, JP;

Shigeyuki Naka, Otsu, JP;

Hisanori Shiomi, Otsu, JP;

Inventors:

Tohru Tani, Otsu, JP;

Shigeyuki Naka, Otsu, JP;

Hisanori Shiomi, Otsu, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 18/18 (2006.01); A61B 18/00 (2006.01);
U.S. Cl.
CPC ...
A61B 18/1815 (2013.01); A61B 2018/0063 (2013.01); A61B 2018/00446 (2013.01); A61B 2018/00589 (2013.01); A61B 2018/1838 (2013.01);
Abstract

It is an object to provide a surgical instrument capable of locally applying microwaves to a minute biological tissue. It has been found that microwaves can be transmitted to a tip of a tapered coaxial body () and that microwaves are radiated from the entire central conductor exposed in a major axis direction by decreasing a sectional area (preferably diameter) of a central conductor () and a sectional area (preferably inner diameter) of an external conductor gradually or in a step-by-step manner with a ratio between the sectional area (diameter) of the central conductor () and the sectional area (inner diameter) of the external conductor being set to be constant, thereby achieving the present invention.


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