Filtered feedthrough for an implantable medical device

Details Filtered feedthrough for an implantable medical device Filtered feedthrough for an implantable medical device

1997-01-06

2000-04-25

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

361302, A61N 1375

Patent

active

06055455&

ABSTRACT:
A cardiac pacing system comprises a pulse generator which includes a housing. Electronics are placed within the housing. Attached to the pulse generator is a lead. The lead has electrodes which are attached to the surface of the heart. The lead carries signals to and from the heart. The electronics use the signals from the heart to make decisions regarding signals to send to the heart to correct for various arrhythmias. A capacitive filter for filtering out electromagnetic interference is positioned on the lead so that unfiltered electromagnetic interference remains outside the housing of the pulse generator. The capacitor can be positioned outside the housing or positioned within a ferrule in an opening of the housing.

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