Electrical connector assembly having integrated conductive element and elastomeric seal for coupling medical leads to implantable medical devices
First Claim
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1. An electrical connector assembly for a medical device comprising:
- an elastomeric element forming a first hole to receive a portion of a medical lead;
a conductive element having a side wall extending from a proximal end to a distal end, an inner surface of the side wall forming a second hole, the conductive element fixedly positioned about an end of the elastomeric element so that the second hole is in fluid communication with the first hole; and
a plurality of contact members extending from a contact member proximal end fixedly positioned along the proximal end of the side wall of the conductive element to a contact member distal end, the plurality of contact members extending inward through the second hole, the contact member distal end extending outward from the distal end of the side wall to be positioned within the first hole so that the contact member distal end is positioned against the elastomeric element upon insertion of the medical lead though the first hole and the second hole.
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Abstract
An electrical connector assembly for facilitating electrical connection between a medical lead and circuitry of an implantable medical device (IMD). The electrical connector assembly integrates a conductive element with an elastomeric seal in order to achieve a simplified structure for electrically coupling of a lead to circuitry of the IMD and also providing a hermetic seal, and facilitates simplified and improved electrical coupling of a medical lead to circuitry of the IMD.
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Citations
14 Claims
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1. An electrical connector assembly for a medical device comprising:
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an elastomeric element forming a first hole to receive a portion of a medical lead; a conductive element having a side wall extending from a proximal end to a distal end, an inner surface of the side wall forming a second hole, the conductive element fixedly positioned about an end of the elastomeric element so that the second hole is in fluid communication with the first hole; and a plurality of contact members extending from a contact member proximal end fixedly positioned along the proximal end of the side wall of the conductive element to a contact member distal end, the plurality of contact members extending inward through the second hole, the contact member distal end extending outward from the distal end of the side wall to be positioned within the first hole so that the contact member distal end is positioned against the elastomeric element upon insertion of the medical lead though the first hole and the second hole. - View Dependent Claims (2, 3, 4)
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5. A connector module for an implantable medical device comprising:
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a connector block formed with a channel to receive a medical lead, the connector block forming an access hole to the channel; an electrical connector assembly positioned in the channel; an elastomeric element forming a first hole to receive a portion of a medical lead; a conductive element having a side wall extending from a proximal end to a distal end, an inner surface of the side wall forming a second hole, the conductive element fixedly positioned about an end of the elastomeric element so that the second hole is in fluid communication with the first hole; and a plurality of contact members extending from a contact member proximal end fixedly positioned along the proximal end of the side wall of the conductive element to a contact member distal end, the plurality of contact members extending inward through the second hole, the contact member distal end extending outward from the distal end of the side wall to be positioned within the first hole so that the contact member distal end is positioned against the elastomeric element upon insertion of the medical lead though the first hole and the second hole. - View Dependent Claims (6, 7, 8, 9)
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10. An implantable medical device comprising:
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a housing; circuitry within the housing; a connector module connected to the housing and including a structure formed with a channel and defining an access hole to the channel; a medical lead in the channel; an electrical connector assembly positioned in the channel; an elastomeric element forming a first hole to receive a portion of a medical lead; a conductive element having a side wall extending from a proximal end to a distal end, an inner surface of the side wall forming a second hole, the conductive element fixedly positioned about an end of the elastomeric element so that the second hole is in fluid communication with the first hole; and a plurality of contact members extending from a contact member proximal end fixedly positioned along the proximal end of the side wall of the conductive element to a contact member distal end, the plurality of contact members extending inward through the second hole, the contact member distal end extending outward from the distal end of the side wall to be positioned within the first hole so that the contact member distal end is positioned against the elastomeric element upon insertion of the medical lead though the first hole and the second hole. - View Dependent Claims (11, 12, 13, 14)
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Specification