Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1991-11-19
1993-08-24
Kamm, William E.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
A61N 137
Patent
active
052379914
ABSTRACT:
An implantable medical device is provided with a removable dummy load across its connector output terminals to allow the device to be tested without removal from the sterile disposable package in which it is shipped and stored. The dummy load is confined with the device entirely within the sterile package to simulate the electrical impedance across the output terminals when the device is implanted in a patient and connected to an electrical lead for tissue stimulation. Testing is performed using a conventional external programmer normally provided for programming and monitoring output functions and parameters of the device. The programmer communicates by telemetry with the device confined within the package, to test selected functions and parameters. The dummy load has posts adapted to mate with the receptacles of the electrical connector of the device, and to be secured mechanically and electrically in the receptacles by set screws. The posts are dimensioned to provide a mechanical stop for the set screws when tightened down, and, when the set screws are backed off slightly from the posts to allow removal of the dummy load, to permit the proximal terminals of the replacing lead to be fully inserted into the receptacles without obstruction by the set screws.
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Baker, Jr. Ross G.
Terry, Jr. Reese S.
Cyberonics, Inc.
Kamm William E.
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