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:
Jul. 17, 1984
Filed:
Jun. 25, 1982
Applicant:
Inventor:
Milton J Cohen, Potomac, MD (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604238 ;
Abstract
A device in the form of a syringe having a barrel with a cylindrical neck portion in the end thereof and a plunger axially displaceable therein, a hollow needle and a hub securing the hollow needle to the open end of the barrel with a chamber in between dimensioned to have a cross section greater than the cross section of the bore and a sealing disc within the neck of the barrel mounted for displacement between sealing position for separating the needle from the barrel and unsealing position enabling fluid to flow from the barrel through the chamber to the needle.