Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NEGATIVE PRESSURE SCREEN AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2021/037001
Kind Code:
A1
Abstract:
Disclosed in the present invention is a negative pressure screen. The negative pressure screen comprises a body weldment, an air inlet device, a purifying device, and negative pressure forming devices; the body weldment comprises a front body frame and a middle body frame, and the front body frame and the middle body frame are integrally connected; the air inlet device is positioned in the middle body frame and is of a plate-shaped frame structure; the purifying device and the negative pressure forming devices are all mounted inside the front body frame, and there are two negative pressure forming devices respectively mounted on the left and right sides of the purifying device. According to the negative pressure screen of the present invention, the structure is compact, consumables are saved, and the cost is reduced; by means of design of the air inlet device, all potentially risky contaminated gas exhaled by a patient can be sucked into the negative pressure screen to be purified and sterilized as much as possible.

Inventors:
ZHOU RONG (CN)
HE SHICONG (CN)
LI XIAOFENG (CN)
ZHONG NANSHAN (CN)
LIU TIANTIAN (CN)
YANG KUN (CN)
Application Number:
PCT/CN2020/110857
Publication Date:
March 04, 2021
Filing Date:
August 24, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GUANGZHOU ANGEL BIOSAFETY TECH CO LTD (CN)
FIRST AFFILIATED HOSPITAL OF GUANGZHOU MEDICAL UNIV (CN)
International Classes:
F24F3/16; A61G7/05; F24F1/0328
Foreign References:
CN110486868A2019-11-22
US6062977A2000-05-16
CN204853722U2015-12-09
CN209075214U2019-07-09
CN206755386U2017-12-15
CN208942629U2019-06-07
CA2556140C2009-11-10
Attorney, Agent or Firm:
WINGUAN PATENT AND TRADEMARK ATTORNEYS (CN)
Download PDF: