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. 22, 2022

Filed:

Feb. 13, 2018
Applicant:

Nihon Kohden Corporation, Tokyo, JP;

Inventors:

Yuya Baba, Tokyo, JP;

Isao Matsubara, Tokyo, JP;

Masayuki Inoue, Tokyo, JP;

Kenichiro Kabumoto, Tokyo, JP;

Fumihiko Takatori, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 5/097 (2006.01); A61B 5/00 (2006.01); A61M 16/06 (2006.01); A61B 5/083 (2006.01); A61M 16/08 (2006.01); A61B 5/08 (2006.01); A61B 5/087 (2006.01);
U.S. Cl.
CPC ...
A61B 5/097 (2013.01); A61B 5/0836 (2013.01); A61B 5/682 (2013.01); A61B 5/6803 (2013.01); A61B 5/6819 (2013.01); A61M 16/06 (2013.01); A61M 16/0605 (2014.02); A61M 16/085 (2014.02); A61B 5/082 (2013.01); A61B 5/0873 (2013.01); A61M 2205/3313 (2013.01); A61M 2230/432 (2013.01);
Abstract

To provide a mask capable of reducing a load of a patient while suppressing lowering of accuracy at which a subject's exhaled air is measured. A mask to be put on a subject's face includes a mask body portion demarcating an internal space in a state of covering part of the subject's face and a cup-shaped nasal cup covering a subject's nose in a state of being arranged inside the internal space, in which the nasal cup includes a first wall portion covering the subject's nose, a second wall portion arranged under the subject's nostrils, and an exhaled air discharge portion guiding an exhaled air from the subject's nose to an exhaled air sensor, and at least part of the exhaled air from the subject's nose is guided toward the exhaled air discharge portion by the second guide portion in a state where the nasal cup covers the subject's nose.


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