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:
Feb. 27, 2018

Filed:

Jun. 06, 2012
Applicants:

Chun LI, Beijing, CN;

Yunxing Liu, Beijing, CN;

Inventors:

Chun Li, Beijing, CN;

Yunxing Liu, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 25/10 (2013.01); F04B 45/02 (2006.01);
U.S. Cl.
CPC ...
A61M 25/10181 (2013.11); A61M 25/1018 (2013.01); A61M 25/10188 (2013.11); F04B 45/02 (2013.01);
Abstract

A balloon pressure pump comprising a cavity () having a distal end and a proximal end; a push rod () having a distal end and a proximal end, and provided with an external thread and inserted into the cavity; a handle () fixedly connected with the proximal end of the push rod (); a locking member () having a distal end and a proximal end and arranged on the proximal end of the push rod () and used to lock same; the distal end of the locking member () is fixedly connected with the proximal end of the cavity (). The handle () is internally provided with a sleeve () to accommodate the push rod (); said sleeve () is fixedly connected with the proximal end of the locking member (). The proximal end of the push rod () includes a spring () which is enclosed within the sleeve. The simple structure of the pump simplifies operations such as pressure application, pressure relief, negative pressure evacuation and the like, and is greatly convenient for a user.


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