Surgery – Truss – Pad
Patent
1986-07-17
1987-08-04
Howell, Kyle L.
Surgery
Truss
Pad
128644, 128731, 128791, A61B 504
Patent
active
046838929
ABSTRACT:
Method and apparatus are provided for use in conducting an electroencephalographic (EEG) test where the apparatus includes a headset suitable for placement on the head of a subject to be tested. A plurality of electrodes are mounted on the headset at pre-determined positions about the headset. The electrodes are preferably mounted to the headset by the use of a resilient material, preferably a resilient wire or plastic mesh which is bonded to both the electrode assembly and to the headset.
Each of the electrode assemblies include a separate air cylinder for displacing the electrode in the direction of the subject's head upon the application of additional air pressure into the cylinder. A bellows arrangement is provided within each air cylinder for effecting displacement of the electrode.
Means are further provided for dispensing a predetermined amount of an electrolytic material from an external source of electrolyte, through the electrode, to the point of contact between the electrode and the subject's head.
REFERENCES:
patent: 2409033 (1946-10-01), Garceau
patent: 4166457 (1979-09-01), Jacobsen et al.
Eralp Emin
Itil Turan M.
Johansson Nils E.
Citrin Randy
Howell Kyle L.
Sommer Evelyn M.
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