Inductor capacitor emi filter for human implant applications

Details Inductor capacitor emi filter for human implant applications Inductor capacitor emi filter for human implant applications

A - Human Necessities

61

B

A61B 17/00 (2006.01) H01G 2/22 (2006.01) H01G 4/35 (2006.01) H03H 7/00 (2006.01) H05K 9/00 (2006.01)

Patent

CA 2485183

A feedthrough terminal assembly for an active implantable medical device includes a conductive ferrule conductively coupled to a housing of the medical device, a feedthrough capacitor conductively coupled to the ferrule, an inductor closely associated with the capacitor in non-conductive relation, and a conductive terminal pin extending through the capacitor and the inductor. The terminal pin extends through the inductor in non-conductive relation and is conductively coupled to active electrode plates of the capacitor. In one preferred form, the terminal pin is wound about the inductor. Additionally, the inductor may be maintained in close association with the capacitor without forming a direct physical attachment therebetween.

L'invention concerne un ensemble borne de traversée pour dispositif médical implantable actif. Ledit ensemble comprend une ferrule conductrice couplée conductrice à un logement du dispositif médical, un condensateur de traversée couplé conducteur à la ferrule, un inducteur étroitement associé au condensateur dans une relation non conductrice et une broche-borne conductrice s'étendant à travers le condensateur et l'inducteur. La broche-borne s'étend à travers l'inducteur dans une relation non conductrice et est couplée conductrice à des plaques d'électrodes actives du condensateur. Dans un mode de réalisation préféré, la broche-borne est enroulée autour de l'inducteur. En outre, l'inducteur peut être maintenu en association étroite avec le condensateur sans formation de fixation physique directe entre les deux.

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