Unipolar spiral coil electrode for monitoring the electrical activity of the brain
Description
FIG. 1 is a side elevational view of a unipolar spiral coil electrode for monitoring the electrical activity of the brain, showing our new design, the broken line showing is for illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof; and
FIG. 5 is a bottom plan view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D317502
Type: Grant
Filed: Oct 15, 1987
Date of Patent: Jun 11, 1991
Inventors: James R. Doty (Honolulu, HI), Thomas W. Furlow, Jr. (Annapolis, MD)
Primary Examiner: Stella Reid
Law Firm: Banner, Birch, McKie & Beckett
Application Number: 7/108,576
Type: Grant
Filed: Oct 15, 1987
Date of Patent: Jun 11, 1991
Inventors: James R. Doty (Honolulu, HI), Thomas W. Furlow, Jr. (Annapolis, MD)
Primary Examiner: Stella Reid
Law Firm: Banner, Birch, McKie & Beckett
Application Number: 7/108,576
Classifications
Current U.S. Class:
Electrode, Transducer Or Contact Not Elsewhere Specified (51) (D24/187)