Title:
INFUSION NEEDLE STRUCTURE OF DRUG INFUSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/052248
Kind Code:
A1
Abstract:
Infusion needle structure of drug infusion device comprises: an infusion needle (130) including a front end (130a) and a back end (130b); a needle holder (120) provided with at least one auxiliary fastener (122); one fastening portion (150), arranged inside the infusion device, cooperates with the auxiliary fastener (122) to lock the needle holder (120) in the working position; an unlock hole (170) provided on the needle holder (120) or on the housing (100) of the infusion device; and an unlock rod (180) that can be inserted into the unlock hole (170) and pushed, thus releasing and resetting the needle holder (120). The infusion needle (130) can be reset and released when the infusion device is during replacement.
Inventors:
YANG CUIJUN (CN)
Application Number:
PCT/CN2020/125031
Publication Date:
March 17, 2022
Filing Date:
October 30, 2020
Export Citation:
Assignee:
MEDTRUM TECH INC (CN)
International Classes:
A61M5/31
Domestic Patent References:
| WO2020068623A1 | 2020-04-02 |
Foreign References:
| US20070049865A1 | 2007-03-01 | |||
| US20100152666A1 | 2010-06-17 | |||
| CN1863564A | 2006-11-15 | |||
| CN106110445A | 2016-11-16 | |||
| EP3598942A1 | 2020-01-29 | |||
| US20030236498A1 | 2003-12-25 |
Attorney, Agent or Firm:
J.Z.M.C. PATENT AND TRADEMARK LAW OFFICE (GENERAL PARTNERSHIP) (CN)
Download PDF:
Previous Patent: PHYSIOTHERAPY MASSAGE STICK
Next Patent: OLED DISPLAY PANEL AND PREPARATION METHOD THEREFOR
Next Patent: OLED DISPLAY PANEL AND PREPARATION METHOD THEREFOR