Title:
FILTERING APPARATUS AND NEGATIVE PRESSURE SUCTION PUMP ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2024/060977
Kind Code:
A1
Abstract:
The present invention relates to a filtering apparatus and a negative pressure suction pump assembly. The filtering apparatus is provided with an inlet and an outlet. The filtering apparatus comprises a housing assembly and a filter element. The filter element is disposed in a cavity and divides the cavity into a first cavity and a second cavity, the inlet being in communication with the first cavity, and the outlet being in communication with the second cavity. The filter element comprises: a filtering portion; and a drainage portion disposed on a side wall of the filtering portion and penetrating through the side wall of the filtering portion, the drainage portion being provided with a drainage groove in communication with the first cavity, and the inlet being located at a side of the drainage portion and in communication with the first cavity by means of the drainage groove. The present filtering apparatus can improve blood flow into a filter element, improving a filtering rate and efficiency.
Inventors:
TANG LIN (CN)
TANG HUIQIANG (CN)
LI SIYI (CN)
TANG HUIQIANG (CN)
LI SIYI (CN)
Application Number:
PCT/CN2023/116704
Publication Date:
March 28, 2024
Filing Date:
September 04, 2023
Export Citation:
Assignee:
SHENZHEN LIFETECH NEURONOVA MEDICAL CO LTD (CN)
International Classes:
B01D29/35; A61M1/34; A61M60/104; A61M60/247; A61M60/835
Foreign References:
| CN219440416U | 2023-08-01 | |||
| CN216570040U | 2022-05-24 | |||
| CN111603621A | 2020-09-01 | |||
| CN212439555U | 2021-02-02 | |||
| CN208032331U | 2018-11-02 | |||
| US11123469B2 | 2021-09-21 |
Attorney, Agent or Firm:
BEIJING CHENQUAN INTELLECTUAL PROPERTY LAW FIRM (CN)
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