Title:
SEALED BLOOD COLLECTION DEVICE FOR MEDICAL BLOOD TEST
Document Type and Number:
WIPO Patent Application WO/2019/090891
Kind Code:
A1
Abstract:
A sealed blood collection device for a medical blood test, comprising a blood collection needle (1), a blood storage means, and a discharge mechanism. The blood storage means comprises a blood storage bin (3), a blood storage inlet (31) provided at the bottom of the blood storage bin (3), a drawing piston (4) provided inside the blood storage bin (3), and a securing pull ring (6). An external thread is provided on the upper side wall of the blood storage bin (3). The drawing piston (4) comprises a rubber piston (41) which is provided at the bottom and is in mutual matching with an internal cavity of the blood storage bin (3), a piston rod (42) connected to the upper portion of the rubber piston (41), and a rotating sleeve (43) which is provided on the upper portion of the blood storage bin (3) and is in mutual threaded connection with the blood storage bin (3), a through hole being formed in the middle of the rotating sleeve (43). The piston rod (42) passes through the through hole and the top of the piston rod (42) is provided with a limiting ring seat (421) abutting against the end face of the rotating sleeve (43). A check valve is provided in the blood storage inlet (31). The sealed blood collection device for a medical blood test features a reasonable structure, convenient use, and a good seal effect, and can prevent dripping and leakage and prevent injuries.
Inventors:
YEUNG CHI WAI (CN)
Application Number:
PCT/CN2017/116180
Publication Date:
May 16, 2019
Filing Date:
December 14, 2017
Export Citation:
Assignee:
YEUNG CHI WAI (CN)
International Classes:
A61B5/151; A61B5/15; A61B5/153
Foreign References:
| CN201481432U | 2010-05-26 | |||
| CN203576515U | 2014-05-07 | |||
| EP0575916B1 | 2000-01-26 | |||
| CN106137220A | 2016-11-23 | |||
| CN104783815A | 2015-07-22 | |||
| CN204033354U | 2014-12-24 | |||
| CN204683623U | 2015-10-07 | |||
| US4790330A | 1988-12-13 |
Attorney, Agent or Firm:
JINAN DINGXIN PATENT TRADEMARK AGENCY OFFICE(GENERAL PARTNERSHIP) (CN)
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