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:
Jan. 21, 2014
Filed:
Mar. 29, 2007
Keiko Omura, Tokyo, JP;
Masahide Takishita, Tokyo, JP;
Tongoh Chin, Tokyo, JP;
Hideharu Shimura, Osaka, JP;
Shinya Fujimoto, Osaka, JP;
Kazuaki Fujiura, Tokyo, JP;
Keiko Omura, Tokyo, JP;
Masahide Takishita, Tokyo, JP;
Tongoh Chin, Tokyo, JP;
Hideharu Shimura, Osaka, JP;
Shinya Fujimoto, Osaka, JP;
Kazuaki Fujiura, Tokyo, JP;
Teijin Pharma Limited, Tokyo, JP;
Abstract
The present invention relates to a nasal respiratory mask system comprising: a nasal mask that is tightly attached to the face of a user and serves as means for leading positive-pressure breathing gas to the nose of the user, a frame to keep the nasal mask at a predetermined position, and a headgear that is mounted on the head in order to attach the nasal mask tightly to the face; wherein, the headgear comprises, on the tip thereof, a headgear strap for adjusting the length of the headgear, the headgear strap comprises a headgear fastener that serves as means for connection/disconnection with the frame, the frame comprises a fastener catch that engages with the headgear fastener, and the fastener catch comprises an axisymmetric guide whose (rotation) axis is the insertion direction of the headgear fastener. The present invention provides a nasal respiratory mask system with which a headgear can be easily connected at the beginning of wearing, twisting of the headgear during wearing is prevented, and disassembly upon daily washing is easy.