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.
Patent No.:
Date of Patent:
Feb. 07, 2017
Filed:
Jun. 03, 2013
Applicants:
Chaoyang Hong, Hangzhou, CN;
Chenglong Wu, Hangzhou, CN;
Xufeng Lin, Hangzhou, CN;
Inventors:
Assignee:
HANGZHOU LIUCHA PHARMACEUTICAL LTD., Hangzhou, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61F 9/007 (2006.01);
U.S. Cl.
CPC ...
A61F 9/00772 (2013.01);
Abstract
A plug for use in a passage or conduit of a human body is provided. The plug includes a plug body with a first end and a second end. The plug body has a protrusion on an exterior wall. The plug also includes an attaching member at the first end to attach the plug to the passage or conduit. The plug further includes an axial retention tube within the plug body. The plug further includes a reservoir. The reservoir connects to the retention tube at a third end thereof. The reservoir and the retention tube are configured to regulate the flow of fluid in the passage or conduit.