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:
Oct. 26, 2021

Filed:

Nov. 03, 2017
Applicant:

Shanghai Boqia Medical Device Co., Ltd., Shanghai, CN;

Inventors:

Yiyi Zhang, Shanghai, CN;

Zuren Zhang, Shanghai, CN;

Weihua Xu, Shanghai, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61M 5/34 (2006.01); A61M 5/315 (2006.01); A61M 5/31 (2006.01);
U.S. Cl.
CPC ...
A61M 5/34 (2013.01); A61M 5/3129 (2013.01); A61M 5/31511 (2013.01); A61M 2005/3126 (2013.01);
Abstract

An interface of the needle of a medical syringe and realizes that a conical fitting and a conical inclined surface of a syringe barrel and a conical lip and a conical hole of the needle form an interface of the needle; when the conical hole of the needle is plugged onto the conical fitting of the syringe barrel, the needle is fixed onto the conical fitting of the syringe barrel to achieve the purpose of preventing a needle tip from swinging when the needle pierces a muscle or a blood vessel of a human body, so as to avoid misoperation; and after the medical syringe is used, the conical lip of the needle distal away from the needle tip only needs to be pinched flat, the needle can then be separated from the conical fitting of the syringe barrel of the medical syringe.


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