Title:
BREAST PUMP
Document Type and Number:
WIPO Patent Application WO/2023/237029
Kind Code:
A1
Abstract:
A breast pump, which comprises a housing (10), a breast-attaching enclosure (31), a negative pressure assembly (40), and a deformable suction force portion; the housing (10) is provided with a milk storage cavity (111) and a negative pressure cavity (112); the breast-attaching enclosure (31) comprises a flange used for attaching to the breast and a nipple channel (312) for placing the nipple, the nipple channel (312) being in communication with the milk storage cavity (111); the negative pressure assembly (40) is used for providing negative pressure to the negative pressure cavity (112); the deformable suction force portion is connected in a sealed manner to a cavity opening of the negative pressure cavity (112), and negative pressure provided by the negative pressure assembly (40) is transmitted to the breast-attaching enclosure (31), so as to allow one side of the deformable suction force portion to be in communication with the negative pressure cavity (112). The present invention facilitates daily use of the breast pump.
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Inventors:
CHEN WANYUAN (CN)
SU QINGYANG (CN)
SU QINGYANG (CN)
Application Number:
PCT/CN2023/099005
Publication Date:
December 14, 2023
Filing Date:
June 07, 2023
Export Citation:
Assignee:
SHENZHEN LUTE JIACHENG SUPPLY CHAIN MAN CO LTD (CN)
International Classes:
A61M1/06
Foreign References:
| CN215780374U | 2022-02-11 | |||
| CN215308910U | 2021-12-28 | |||
| CN216136437U | 2022-03-29 | |||
| CN110124129A | 2019-08-16 | |||
| CN114515361A | 2022-05-20 | |||
| CN217593461U | 2022-10-18 | |||
| US11554199B1 | 2023-01-17 | |||
| US20150314053A1 | 2015-11-05 | |||
| US20180361040A1 | 2018-12-20 |
Attorney, Agent or Firm:
SHENZHEN CENFO INNOVATIVE INTELLECTUAL PROPERTY CO., LTD. (CN)
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