Electrode

Details Electrode Electrode

1975-10-28

1977-03-29

Michell, Robert W.

Surgery

Truss

Pad

A61N 104

Patent

active

040143457

ABSTRACT:
An electrode for applying electrical signals to a human body from a signal generator. The electrode comprises a retaining ring formed of insulating material. The retaining ring has a rear wall integral with one end of a side wall with an opening formed in the rear wall. An inwardly extending lip is integral with the other end of the side wall and defines a front opening. An inwardly extending flange integral with and extending from the junction of the rear and side walls is generally parallel to the and spaced intermediate the lip and the rear wall to define an enlarged height annular groove and a reduced height annular groove adjacent the lip and the rear wall, respectively. A generally planar conductive plate having a first side surface and a second side surface is dimensioned to be inserted in the reduced height groove and retained therein. An electrical connector member is secured to the conductive plate first side surface and extends into the retaining ring rear wall opening. A sponge member has a thickness approximately equal to the height of the enlarged height groove enabling the sponge to be retained in the enlarged height groove. The sponge when wet is juxtaposed with the conductive plate second side surface and extends into the front wall opening of the insulative retaining ring. The retaining ring avoids corrosion by separating wet and dry portions of the electrode.

REFERENCES:
patent: 1583087 (1926-05-01), Morse
patent: 2651304 (1953-09-01), Browner
patent: 3085577 (1963-04-01), Berman et al.
patent: 3279468 (1966-10-01), LeVine
patent: 3545432 (1970-12-01), Berman
patent: 3830229 (1974-08-01), Johnson
patent: 3865099 (1975-02-01), Robichaud
patent: 3882853 (1975-05-01), Gofman et al.

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