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:
May. 11, 2021
Filed:
Nov. 07, 2017
Applicants:
Toshiro Umezaki, Fukuoka, JP;
Koken Co., Ltd., Tokyo, JP;
Inventors:
Assignees:
Other;
KOKEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 16/04 (2006.01);
U.S. Cl.
CPC ...
A61M 16/0475 (2014.02); A61M 16/04 (2013.01); A61M 16/0468 (2013.01);
Abstract
Provided is a tracheostomy tube having a freely openable/closable fenestration without substantially narrowing an inner cavity of the tracheostomy tube. It has been found that each of two tracheostomy tubes having the configurations (A) and (B) has the fenestration that is freely openable/closable with use of a shutter without substantially narrowing the inner cavity of the tracheostomy tube.