Combined defibrillation and pacing electrode

Details Combined defibrillation and pacing electrode Combined defibrillation and pacing electrode

1992-05-01

1994-07-19

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

607152, A61B 50402

Patent

active

053305264

ABSTRACT:
An electrode for transcutaneously delivering defibrillation pulses to a patient's heart. The electrode comprises an insulating substrate, a conducting plate which is positioned on the substrate and which has an electrical terminal for making a connection to an external source of electrical current, and a layer of electrolytic gel covering the entire top surface of the conducting plate. This gel contacts a patient's skin when the electrode is positioned on the skin to prevent the conducting plate from contacting the skin. The gel comprises a concentration of an electrolyte such that the combination series resistance of two of the electrodes, when measured with the electrodes configured in a series circuit with a 50 .OMEGA. resistance, and with the electrolytic gel layer of each electrode in contact with that of the other electrode, is greater than 1 .OMEGA. when a 200 Joule defibrillation pulse is discharged into the series circuit.

REFERENCES:
patent: 4391278 (1983-07-01), Cahalan et al.
patent: 4538612 (1985-09-01), Patrick, Jr.
patent: 4926878 (1990-05-01), Snedeker
patent: 4989607 (1991-02-01), Keusch et al.

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