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:
May. 14, 1985

Filed:

Jul. 27, 1983
Applicant:
Inventor:

Rudolph J Kopfer, Greenbrae, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 87 ;
Abstract

An improved syringe incorporating a solid powdered medicament and a dissolving fluid in a compact manner utilizes a compartment for the solid material which may be readily packaged commercially and an arrangement whereby fluid and solid components may be mixed and the latter dissolved while maintaining complete hermetically sealed conditions for all components including the injection needle until the latter is ready for injecting into the patient or intravenous device. This is accomplished by a specially constructed tube which surrounds and seals the syringe barrel, injection needle, and medicament and diluent until ready for use. Added features are rigidity, simplicity and economy in manufacture, safety against malfunction and simplicity in operation by customarily trained personnel.


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Kopfer, Rudolph. (1985). Wet-dry compartmental syringe (U.S. Patent No. 4516967). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4516967

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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