A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
26/111, 326/17.4
A61B 5/04 (2006.01) A61B 5/0408 (2006.01) A61N 1/04 (2006.01)
Patent
CA 1280175
ABSTRACT A medical electrode intended for short term use has a disposable electrode pad provided with a socket and a reusable electrode conductor which is attached to a lead wire and which has a ridged body adapted to enter and be retained by the socket. The pad includes a pair of spaced foam sheets with patient-contacting adhesive layers on their lower surfaces. An electrolyte gel matrix, preferably formed from conductive adhesive urethane hydrogel, is located between the foam sheets. The socket is formed in a relatively stiff socket plate that overlies the gel matrix and the foam sheets. The socket includes a bore located over the gel matrix shaped to receive the electrode conductor, which is slightly larger than the bore, and may optionally include outwardly extending slits projecting from the bore. A method of manufacturing a strip of the electrode pads on a release liner on a continuous basis is disclosed. In a modification for longer term monitoring uses, the electrode pads are constructed to confine the gel matrix to avoid gel dry out and the socket and the conductor are provided with a cooperating key and keyway for restraining relative movements therebetween.
513802
Burcham Larry R.
Cartmell James V.
Wolf Michael L.
Burcham Larry R.
Cartmell James V.
Mcfadden Fincham
Ndm Acquisition Corporation
Wolf Michael L.
LandOfFree
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