WELDED FEEDTHROUGH
First Claim
Patent Images
1. A feedthrough for a medical implantable device comprising:
- a ferrule comprising a metal that is configured to be welded to a case of the implantable device;
an insulator substantially surrounded by the ferrule and sharing an interface therewith, the insulator comprising a glass or ceramic material;
conductive elements formed through the insulator providing an electrically conductive path through the insulator;
characterized in that there is no braze or solder at the interface between the ferrule and the insulator and that there is no braze or solder adjacent the conductive elements.
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Abstract
One aspect is a feedthrough for a medical implantable device including a ferrule having a metal that is configured to be welded to a case of the implantable device. The ferrule substantially surrounds an insulator and shares an interface therewith, the insulator having a glass or ceramic material. Conductive elements are formed through the insulator providing an electrically conductive path through the insulator. There is no braze or solder at the interface between the ferrule and the insulator and that there is no braze or solder adjacent the conductive elements.
11 Citations
15 Claims
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1. A feedthrough for a medical implantable device comprising:
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a ferrule comprising a metal that is configured to be welded to a case of the implantable device; an insulator substantially surrounded by the ferrule and sharing an interface therewith, the insulator comprising a glass or ceramic material; conductive elements formed through the insulator providing an electrically conductive path through the insulator; characterized in that there is no braze or solder at the interface between the ferrule and the insulator and that there is no braze or solder adjacent the conductive elements. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A feedthrough for a medical implantable device comprising:
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an insulator substantially surrounded by an opening in a case of the implantable device and sharing an interface therewith, the insulator comprising a glass or ceramic material; conductive elements formed through the insulator providing an electrically conductive path through the insulator; characterized in that there is no metal ferrule at the interface between the insulator and the case and the case is welded directly to the insulator. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification