Patent · US Expired

Electrode electrolyte application device

US5404875A · kind A · utility

11Cited by
4References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 1993
Grant dateApr 11, 1995
Priority date
Expiry dateSep 17, 2013

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2562/0217
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

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).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.