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:
Apr. 29, 1980
Filed:
Jun. 08, 1977
Applicant:
Inventor:
Guy Charvin, 06600 Antibes, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
1282144 ; 128221 ; 128348 ; 210D / ; 55159 ; 137172 ; 137197 ;
Abstract
The present invention relates to a device for introducing a liquid other than blood in a blood vessel, composed of a hollow needle having a front end and an axially opposite rear end, a hollow female support base which is fixed to the rear end of the needle or which is connected to the rear end thereof by a supple, transparent tube, and of a membrane which is disposed transversely with respect to said support base, which membrane is at the same time permeable to air, impermeable to blood and permeable to the liquid to be injected.