US 11,793,700 B2
Airbag cushion assembly, intelligent pressure sore prevention cushion, and monitoring system
Ruzhan Lu, Shanghai (CN); Jue Wang, Shanghai (CN); Tian Liu, Shanghai (CN); Honghong Su, Shanghai (CN); Mingsong Lu, Shanghai (CN); Fangfang Zhu, Shanghai (CN); Litao Fan, Shanghai (CN); Yong You, Shanghai (CN); Yunguang Pan, Shanghai (CN); Yajian Wu, Shanghai (CN); and Qihang You, Shanghai (CN)
Assigned to SHANGHAI CHUANGSHI INDUSTRY GROUP CO., LTD., Shanghai (CN)
Appl. No. 16/977,092
Filed by SHANGHAI CHUANGSHI INDUSTRY GROUP CO., LTD., Shanghai (CN)
PCT Filed Feb. 28, 2020, PCT No. PCT/CN2020/077061
§ 371(c)(1), (2) Date Aug. 31, 2020,
PCT Pub. No. WO2021/042681, PCT Pub. Date Mar. 11, 2021.
Claims priority of application No. 201910843919.X (CN), filed on Sep. 6, 2019.
Prior Publication US 2021/0205160 A1, Jul. 8, 2021
Int. Cl. A61G 7/057 (2006.01)
CPC A61G 7/05776 (2013.01) [A61G 7/05784 (2016.11); A61G 2203/34 (2013.01); A61G 2203/44 (2013.01); A61G 2203/46 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An airbag cushion assembly, comprising:
an airbag cushion and
an inflation-deflation apparatus, wherein
the inflation-deflation apparatus communicates with the airbag cushion,
the airbag cushion comprises a plurality of sub-airbags, and
an airbag gap is formed between adjacent sub-airbags of the plurality of sub-airbags, and
the inflation-deflation apparatus is provided with at least one exhaust port,
the at least one exhaust port is provided in the airbag gap, and
the inflation-deflation apparatus is configured to inflate and deflate the airbag cushion with air such that said air is expelled through the at least one exhaust port when the airbag cushion is deflated,
wherein the inflation-deflation apparatus comprises an air pump, an inflation-deflation pipe, and an exhaust pipe, wherein the at least one exhaust port is provided on the exhaust pipe;
the air pump communicates with the airbag cushion through the inflation-deflation pipe, and the air pump is configured to inflate and deflate the airbag cushion;
the exhaust pipe is disposed in the airbag gap, and the inflation-deflation pipe communicates with an external environment through the exhaust pipe;
the inflation-deflation apparatus further comprises a second switch mechanism, the air pump separately communicates with the airbag cushion and the external environment by the second switch mechanism to inflate and deflate the airbag cushion; and
wherein the second switch mechanism comprises a first three-way valve and a second three-way valve, and the second switch mechanism has a first state and a second state;
in the first state, the air pump communicates with the external environment by the first three-way valve, the air pump communicates with the airbag cushion by the second three-way valve, and the inflation-deflation apparatus is in an inflating state; and
in the second state, the air pump communicates with the airbag cushion by the first three-way valve, the air pump communicates with the exhaust pipe by the second three-way valve, and the inflation-deflation apparatus is in a deflating state.