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:
Feb. 15, 2022
Filed:
Sep. 16, 2016
Applicant:
Metran Co., Ltd., Kawaguchi, JP;
Inventors:
Kazufuku Nitta, Saitama, JP;
Shinichi Shiota, Saitama, JP;
Assignee:
Metran Co., Ltd., Kawaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 16/00 (2006.01); A61M 16/16 (2006.01); F04D 25/08 (2006.01);
U.S. Cl.
CPC ...
A61M 16/022 (2017.08); A61M 16/16 (2013.01); A61M 16/0066 (2013.01); A61M 2205/42 (2013.01); F04D 25/08 (2013.01);
Abstract
A silencer having improved ease of maintenance and a small size and light weight and a respiratory assistance device. The silencer is provided to therapy equipment where pressurized air is generated by a blower, and the pressurized air is supplied to an airway of a patient from an attachment part attached to the patient, the silencer being inserted into a flow passage so as to reduce sound generated by the therapy equipment, the pressurized air being introduced from the blower to the patient through the flow passage. The silencer is provided outside a casing which accommodates the blower.