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. 11, 1995
Filed:
Sep. 17, 1993
Applicant:
Inventors:
Alan S Gevins, San Francisco, CA (US);
Donald Durousseau, Oakland, CA (US);
Assignee:
SAM Technology, Inc., San Francisco, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
128635 ; 239320 ; 222386 ;
Abstract
An injector system to inject a bolus of electrolyte into EEG electrodes includes a pressure pump containing electrolyte and a pen-like injector which is filled from the pump for the injection of a bolus for each EEG electrode. The injector includes a finger-operated plunger having a piston, an electrolyte chamber, a hollow shaft portion of the plunger, and a flexible bottom portion having flaps which are spread open by the injector head (end of the plunger).