Ceramic feedthrough brazed to an implantable medical device housing
First Claim
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1. An implantable medical device comprising:
- a feedthrough assembly comprising an insulator and a plurality of conducting elements extending therethrough;
a case with an opening into which the feedthrough assembly is positioned defining a narrow space therebetween;
a braze material filling the narrow space, thereby hermetically sealing the feedthrough assembly to the case;
characterized in that the case comprises a step configured to securely hold the braze and in that the implantable medical device does not include a ferrule.
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Abstract
One aspect is an implantable medical device with a feedthrough assembly having an insulator and a plurality of conducting elements extending therethrough. The feedthrough assembly is placed in a case with an opening defining a narrow space therebetween. A braze material fills the narrow space, thereby hermetically sealing the feedthrough assembly to the case. One of the feedthrough assembly and the case include a feature configured to securely hold the braze and in that the implantable medical device does not include a ferrule.
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Citations
16 Claims
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1. An implantable medical device comprising:
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a feedthrough assembly comprising an insulator and a plurality of conducting elements extending therethrough; a case with an opening into which the feedthrough assembly is positioned defining a narrow space therebetween; a braze material filling the narrow space, thereby hermetically sealing the feedthrough assembly to the case; characterized in that the case comprises a step configured to securely hold the braze and in that the implantable medical device does not include a ferrule. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An implantable medical device comprising:
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a feedthrough assembly comprising an insulator and a plurality of conducting elements extending therethrough; a case with an opening into which the feedthrough assembly is positioned defining a narrow space therebetween; a braze material filling the narrow space, thereby hermetically sealing the feedthrough assembly to the case; characterized in that one of the feedthrough assembly and the case comprise a step configured to securely hold the braze and in that the implantable medical device does not include a ferrule. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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Specification