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:
Apr. 29, 2025

Filed:

Sep. 10, 2018
Applicant:

Riverfield Inc., Tokyo, JP;

Inventors:

Daisuke Haraguchi, Tokyo, JP;

Kotaro Tadano, Tokyo, JP;

Noriaki Kanazawa, Tokyo, JP;

Assignee:

RIVERFIELD INC., Tokyo, JP;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 90/50 (2015.12); A61B 1/00 (2005.12); A61B 17/00 (2005.12); A61B 34/30 (2015.12);
U.S. Cl.
CPC ...
A61B 90/50 (2016.01); A61B 1/00149 (2012.12); A61B 17/00234 (2012.12); A61B 2017/00544 (2012.12); A61B 2034/301 (2016.01); A61B 2090/504 (2016.01); A61B 2090/506 (2016.01);
Abstract

Provided is an arm device. The arm device includes: a first gimbal portion configured to rotatably support an instrument about a first rotational axis extending along an axis line of the instrument; a second gimbal portion configured to rotate the instrument about a second rotational axis extending along a direction intersecting the first rotational axis; a distal portion configured to rotate the instrument about a third rotational axis extending to intersect a plane including the first rotational axis and the second rotational axis. The third rotational axis has an inclination angle greater than 0 degree and less than 90 degrees when a horizontal direction is defined as 0 degree and an upper vertical direction is defined as 90 degrees.


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