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:
Mar. 19, 1991
Filed:
Jul. 26, 1990
Applicant:
Inventors:
Michael J Free, Seattle, WA (US);
Terence R Ellard, Seattle, WA (US);
Assignee:
Program for Appropriate Technology in Health (PATH), Seattle, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604110 ; 604218 ; 604220 ;
Abstract
A single use syringe including a mechanical means permitting a single withdrawal of the plunger to load the cylinder an a single advance of the plunger to inject the material, thereafter incapacitating the mechanism. The mechanical means may well be retrofit to existing syringes.