CHEST WALL NEGATIVE PRESSURE SUPPORT DEVICE

WIPO Patent Application WO/2022/062721

A1

A chest wall negative pressure support device, comprising a plastic support body (1) attached to the outer side of a chest wall in a sealed mode. A flow guide groove (2) is formed in the middle of the side surface of the plastic support body (1) in contact with the outer side of the chest wall, and a negative pressure aspirator (3) is provided on the side surface of the plastic support body (1) away from the outer side of the chest wall. An air inlet of the negative pressure aspirator (3) is communicated with the flow guide groove (2) by means of a negative pressure air outlet (4) formed in the plastic support body (1), and an exhaust port of the negative pressure aspirator (3) is communicated with an exhaust pipe (5). The plastic support body (1) is tightly attached to the outer side of the chest wall in a sealed mode, the plastic support body (1) forms an outer bracket on the outer side of the chest wall to simulate ribs for supporting, swing of a mediastinum is prevented, and the process of an on-site treatment operation is simple. In addition, the chest cavity of a patient cannot be compressed, secondary injury to the patient cannot be caused, and the pain of the patient is greatly relieved.

HU YINGCHUN (CN)
ZHANG QIAN (CN)
CHEN MUHU (CN)

PCT/CN2021/111136

March 31, 2022

August 06, 2021

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HU YINGCHUN (CN)
ZHANG QIAN (CN)

A61F5/00; A61M1/00

CN112156241A	2021-01-01
CN212262012U	2021-01-01
CN201088670Y	2008-07-23
CN110833636A	2020-02-25
CN209661993U	2019-11-22
CN104758990A	2015-07-08
US20040030322A1	2004-02-12

CHONGQING CONRISEN INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNERSHIP) (CN)

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