Title:
VENTILATION AND NOISE REDUCTION HOUSING AND ASSEMBLY, VENTILATION AND MOISTURE RETENTION APPARATUS, BREATHING MASK ASSEMBLY, AND BREATHING SUPPORT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/218309
Kind Code:
A1
Abstract:
The present disclosure relates to the field of medical instruments. Disclosed are a ventilation and noise reduction housing and assembly, a ventilation and moisture retention apparatus, a breathing mask assembly, and a breathing support device. The ventilation and noise reduction housing comprises a breathing channel segment, one end of the breathing channel segment is a ventilation and noise reduction housing connection end, and the other end of the breathing channel segment is a breathing tube communication end, wherein a channel wall of the breathing channel segment comprises a ventilation and noise reduction unit mounting wall segment, the ventilation and noise reduction unit mounting wall segment is provided with an exhaust port and a support protrusion structure protruding from the outer surface of the ventilation and noise reduction unit mounting wall segment, and the support protrusion structure is used for supporting a ventilation and noise reduction core of a ventilation and noise reduction unit provided on the ventilation and noise reduction unit mounting wall segment, such that a ventilation gap is maintained in at least a part of a space between the ventilation and noise reduction core and the outer surface of the ventilation and noise reduction unit mounting wall segment. The ventilation and noise reduction housing can improve the sanitation while reducing noise, so as to improve the therapeutic effect.
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Inventors:
WANG YAJIE (CN)
ZHOU MINGZHAO (CN)
ZHUANG ZHI (CN)
LIU YUANXIANG (CN)
MA GUOHUI (CN)
ZHOU MINGZHAO (CN)
ZHUANG ZHI (CN)
LIU YUANXIANG (CN)
MA GUOHUI (CN)
Application Number:
PCT/CN2022/086380
Publication Date:
October 20, 2022
Filing Date:
April 12, 2022
Export Citation:
Assignee:
BMC TIANJIN MEDICAL CO LTD (CN)
International Classes:
A61M16/00; A61M16/16; A62B18/02
Foreign References:
| CN215024377U | 2021-12-07 | |||
| CN112089943A | 2020-12-18 | |||
| CN107212804A | 2017-09-29 | |||
| CN111493407A | 2020-08-07 | |||
| CN204208153U | 2015-03-18 | |||
| CN2834265Y | 2006-11-08 | |||
| CN110975096A | 2020-04-10 | |||
| CN205323045U | 2016-06-22 | |||
| CN104415442A | 2015-03-18 | |||
| JPH08332239A | 1996-12-17 | |||
| US20150126927A1 | 2015-05-07 |
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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