FILTERED FEEDTHROUGH ASSEMBLY FOR IMPLANTABLE MEDICAL ELECTRONIC DEVICES

摘要

A filtered feedthrough assembly for an implantable medical device comprises a ferrule, an electrical insulator coupled to the ferrule by a connection element, a plurality of feedthrough conductors extending through the electrical insulator, a printed circuit board (PCB), and plurality of capacitors. The PCB is coupled to the ferrule or the electrical insulator, and includes one or more ground layers and a plurality of vias. The connection element is electrically coupled to the ground layer through the vias. The capacitor has a ground terminal electrically coupled to the ground layer through at least one of the vias, and a conductor terminal electrically coupled to the feedthrough conductor.

主权项

1. A filtered feedthrough assembly for an implantable medical device, comprising:
a ferrule configured to be connected to a metal case of the implantable medical device; a feedthrough conductor extending from outside the metal case to inside the metal case; a printed circuit board (PCB) coupled to the ferrule, wherein the PCB includes a plurality of ground layers and a plurality of vias in electrical contact with the plurality of ground layers; a connection element electrically coupled to the ferrule and the ground layer of the PCB through the vias; and a filter circuit electrically coupled to the feedthrough conductor and electrically coupled to the ground layer of the PCB through at least one of the vias.