Title:
NUTRITION PUMP, INFUSION DEVICE, CONTROL VALVE AND LIQUID CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2020/155282
Kind Code:
A1
Abstract:
Provided are a nutrition pump, an infusion device, a control valve and a liquid control method. The nutrition pump comprises a pump body (1) and an infusion device, the infusion device comprises a control valve (10), a pump wheel (34) is installed on the pump body (1); the control valve (10) comprises a valve body and a valve core (100) which can be in cooperative connection with the valve body, the valve body comprises a first input pipe (113) and a second input pipe (114) which are used for being connected to the liquid to be transfused, a cylindrical structure (111) and an output pipe (115) which is used for outputting the liquid to be transfused, one end of the switching shaft (27) is connected to a motor (35), and the other end is connected to the valve core (100), so that the motor (35) drives the valve core (100) to rotate through the switching shaft (27). The nutrition pump can realize the free switching of two liquids, eliminates the liquid tainting risk in the nutrition pump feeding process, and has low cost and high precision.
Inventors:
SONG YAJIE (CN)
JIANG WEIHAI (CN)
TU JIANGUANG (CN)
JIANG WEIHAI (CN)
TU JIANGUANG (CN)
Application Number:
PCT/CN2019/076660
Publication Date:
August 06, 2020
Filing Date:
March 01, 2019
Export Citation:
Assignee:
ZHEJIANG MDKINGDOM TECH CO LTD (CN)
International Classes:
A61J15/00
Domestic Patent References:
| WO2019000725A1 | 2019-01-03 |
Foreign References:
| CN109846716A | 2019-06-07 | |||
| CN107496172A | 2017-12-22 | |||
| CN203815965U | 2014-09-10 | |||
| CN207212657U | 2018-04-10 | |||
| CN206381400U | 2017-08-08 | |||
| IL155404D0 | 2003-11-23 | |||
| US20060200094A1 | 2006-09-07 | |||
| CN206762032U | 2017-12-19 |
Attorney, Agent or Firm:
WUHAN ZHI QUAN PATENT AGENCY (CN)
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