Surgery – Truss – Pad
Patent
1987-02-20
1988-11-01
Cohen, Lee S.
Surgery
Truss
Pad
128746, A61B 504, A61B 512
Patent
active
047811960
ABSTRACT:
An eartip electrode constructed of a plastic or vinyl tubular central channel having a soft foam material laterally surrounding the distal end of the channel. Electrical conductivity from the skin of the earcanal is provided by a very thin, soft conductive film coupled to and surrounding the foam material.
REFERENCES:
patent: 4050453 (1977-09-01), Castillo et al.
patent: 4592370 (1986-06-01), Lee et al.
patent: 4601294 (1986-07-01), Danby et al.
patent: 4622975 (1986-11-01), Danby et al.
Medical Instrumentation, Webster, pp. 245-247, 1978.
Cohen Lee S.
Etymotic Research Inc.
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