Configuring an implantable active medical device by adjusting pa

Details Configuring an implantable active medical device by adjusting pa Configuring an implantable active medical device by adjusting pa

1994-12-29

1997-12-16

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

607 31, 607 2, 128898, A61N 108

Patent

active

056979606

ABSTRACT:
A process to configure an implantable active medical device by adjusting a parameter. For each parameter to be adjusted, the steps of the process are: the determination of a code of adjustment for a given parameter value, writing of the code of adjustment to alter a circuit configuration, and the verification of the validity of the set code. A verified code is then permanently written by straining of selected diodes. The code of adjustment is thus used to adjust a circuit configuration to alter the sensed operating parameter value so that, after straining, the adjusted parameter value of the configured circuit falls in or at a desired range or value. Suitable circuit parameters include clock frequency and reference voltage levels, as are found in cardiac pacemakers and defibrillators.

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