Title:
MEDICINE FEEDER
Document Type and Number:
WIPO Patent Application WO/2022/126850
Kind Code:
A1
Abstract:
Disclosed in the present invention is a medicine feeder, comprising: a first tube having a front end portion provided with an injection tip and a back end portion in which a first cavity is formed, an injection channel being formed inside the injection tip, and the injection channel being communicated with the first cavity after running through the side wall thereof; a second tube having a front end portion on which a first piston is mounted, the second tube being movably and sealingly mounted on the inner side wall of the first cavity by means of the first piston, a second cavity being formed in a back end portion of the second tube, a liquid flow passage being formed inside the first piston, and the liquid flow passage having one end communicated with the second cavity and the other end comprising two states of being communicated and closed; and a pull rod having one end at which a second piston is mounted, and the pull rod being movably and sealingly mounted in the second cavity by means of the second piston. By means of the medicine feeder, a continuous action of first injecting liquid medicine into the mouth of a child and then injecting sweet water into same can be implemented. The pain of the child is reduced as much as possible.
More Like This:
| WO/2009/089090 | THERMALLY REGULATED HYPODERMIC NEEDLES, METHODS OF USE, AND KITS |
| WO/1994/012227 | SYRINGE |
| JP5964602 | The intradermal injection method |
Inventors:
ZENG GUOTAO (CN)
Application Number:
PCT/CN2021/075428
Publication Date:
June 23, 2022
Filing Date:
February 05, 2021
Export Citation:
Assignee:
ZENG GUOTAO (CN)
International Classes:
A61M5/19; A61J7/00; A61M31/00
Foreign References:
| CN211050276U | 2020-07-21 | |||
| CN101716386A | 2010-06-02 | |||
| CN210020407U | 2020-02-07 | |||
| CN203915674U | 2014-11-05 | |||
| US5298024A | 1994-03-29 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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