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:
Jul. 08, 2025
Filed:
Nov. 30, 2022
Applicant:
Riverfield Inc., Tokyo, JP;
Inventors:
Yoshihiro Ishikawa, Tokyo, JP;
Satoshi Kano, Tokyo, JP;
Assignee:
RIVERFIELD INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); A61B 90/50 (2016.01);
U.S. Cl.
CPC ...
H02J 9/06 (2013.01); A61B 90/50 (2016.02); A61B 2090/508 (2016.02);
Abstract
A surgery assistance device includes a battery, loads, a manual switch, a power supply, and a backup power supply. The power supply is connected to a mains power supply and to the loads, and outputs a first power supply voltage to the loads. The manual switch is connected to a portion of the loads. The backup power supply is connected to the battery and to the manual switch, and outputs a second power supply voltage to the portion of the loads when the manual switch is closed.