The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 21, 2022

Filed:

Aug. 26, 2019
Applicant:

Zhejiang Kindly Medical Devices Co., Ltd., Zhejiang, CN;

Inventors:

Qian Zhang, Zhejiang, CN;

Hong Chen, Zhejiang, CN;

Zhuoyuan Lou, Zhejiang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/32 (2006.01); A61M 5/31 (2006.01);
U.S. Cl.
CPC ...
A61M 5/3232 (2013.01); A61M 5/3204 (2013.01); A61M 2005/3126 (2013.01); A61M 2005/3208 (2013.01); A61M 2205/0233 (2013.01); A61M 2205/0294 (2013.01); A61M 2205/50 (2013.01);
Abstract

A needle end and a safety syringe are provided, belonging to technical field of medical instruments. The safety syringe includes an injection end, a liquid storage device, and a base. The injection end includes a needle base, an injection needle, and a needle guard assembly. The injection needle is fixed to the needle base. The needle guard assembly is connected to the needle base. The needle guard assembly includes a protective casing and a spring, wherein a first terminal of the spring is connected to the needle base and a second terminal of the spring is connected to the protective casing. The liquid storage device includes a liquid storage container and a liquid storage sleeve. The liquid storage is sleeved on an outer surface the liquid storage container, wherein the liquid storage container is detachably connected to the injection end. The base is detachably connected to the liquid storage device.


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