Title:
SAFETY VACCINE INJECTION SYRINGE
Document Type and Number:
WIPO Patent Application WO/2022/261953
Kind Code:
A1
Abstract:
A safety vaccine injection syringe, comprising an operating member (1) and an outer sleeve member (2), wherein the operating member (1) is of a cylindrical structure, with one end of the operating member (1) being provided with two elastic pressing components (13), and an end face of the other end of the operating member (1) being provided with an accommodation recess (111); the outer sleeve member (2) is sleeved over an outer edge of the operating member (1); and the outer sleeve member (2) is provided with two compression portions (23) overlapped on the pressing components (13), and is further provided, on the surface that faces the inside of the outer sleeve member (2), with an elastic positioning portion (24) for clamping a protrusion block (241).
Inventors:
WANG CHI-YANG (CN)
HUANG YEN-HSUEH (CN)
HSU CHENG-MEI (CN)
HUANG YEN-HSUEH (CN)
HSU CHENG-MEI (CN)
Application Number:
PCT/CN2021/100974
Publication Date:
December 22, 2022
Filing Date:
June 18, 2021
Export Citation:
Assignee:
WANG CHI YANG (CN)
HUANG YEN HSUEH (CN)
HUANG YEN HSUEH (CN)
International Classes:
A61M5/32
Foreign References:
| CN109200397A | 2019-01-15 | |||
| US20180353710A1 | 2018-12-13 | |||
| US20030181862A1 | 2003-09-25 | |||
| CN101411908A | 2009-04-22 | |||
| US20190022336A1 | 2019-01-24 |
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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