Implantable medical device having a header with an integrated telemetry coil
First Claim
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1. An implantable medical device comprising:
- a hermetically sealed casing enclosing electrical stimulation and/or sensing circuitry;
a header attached to an outer surface of said casing, the header comprising a longitudinally extending receptacle adapted to receive the electrical connector assembly of an electrical medical lead adapted to sense cardiac blood pressure, said receptacle incorporating electrical contacts disposed and configured to be engaged by corresponding electrical terminals on said electrical connector assembly; and
a telemetry circuit assembly mounted vertically within the confines of the header adjacent to said receptacle, said telemetry circuit assembly comprising an electrical winding having ends electrically connected across the electrical contacts of said receptacle.
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Abstract
An implantable medical device comprises a hermetically sealed casing enclosing electrical stimulation and/or sensing circuitry. A header on the casing comprises a longitudinal receptacle for receiving the electrical connector assembly of an electrical medical lead that senses cardiac blood pressure. The receptacle has electrical contacts engageable by corresponding electrical terminals on the connector assembly. A telemetry circuit assembly, mounted vertically within the confines of the header adjacent to the receptacle, comprises a winding having ends connected across the electrical contacts of the receptacle.
54 Citations
15 Claims
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1. An implantable medical device comprising:
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a hermetically sealed casing enclosing electrical stimulation and/or sensing circuitry; a header attached to an outer surface of said casing, the header comprising a longitudinally extending receptacle adapted to receive the electrical connector assembly of an electrical medical lead adapted to sense cardiac blood pressure, said receptacle incorporating electrical contacts disposed and configured to be engaged by corresponding electrical terminals on said electrical connector assembly; and a telemetry circuit assembly mounted vertically within the confines of the header adjacent to said receptacle, said telemetry circuit assembly comprising an electrical winding having ends electrically connected across the electrical contacts of said receptacle. - View Dependent Claims (2, 3)
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4. An implantable cardiac defibrillator (ICD) comprising:
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a casing enclosing cardiac stimulation and sensing circuitry; a header mounted along an upper margin of said casing, the header comprising a support carrying first and second rows of vertically spaced apart, longitudinally extending, parallel receptacles, said first and second rows of receptacles being spaced apart laterally, each of said receptacles containing electrical contacts adapted to be engaged by corresponding electrical terminals on an associated electrical connector assembly of an electrical medical lead, one of said receptacles being adapted to receive the electrical connector assembly of a lead carrying a sensor for sensing left atrial blood pressure; and a telemetry circuit assembly enclosed within said header, said telemetry circuit assembly being positioned between said first and second row of receptacles, said telemetry circuit assembly comprising an L-C resonant circuit connected to the electrical contacts of said one receptacle, whereby said circuit is operable to transmit to an external device electromagnetic signals representative of said left atrial blood pressure. - View Dependent Claims (5, 6, 7, 8, 9, 10)
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11. An implantable medical device comprising:
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a hermetically sealed casing enclosing electrical stimulation and/or sensing circuitry; a header attached to an outer surface of said casing, the header comprising at least two parallel, longitudinally extending, laterally spaced apart receptacles each adapted to receive an electrical connector assembly at a proximal end of an electrical medical lead, each of said receptacles incorporating electrical contacts disposed and configured to be engaged by corresponding electrical terminals on an associated electrical connector assembly; and a telemetry circuit assembly contained within the confines of the header, the telemetry circuit assembly being mounted within the space separating said at least two receptacles, said telemetry circuit assembly comprising an electrical winding having ends electrically connected across the electrical contacts of one of said at least two receptacles. - View Dependent Claims (12, 13, 14, 15)
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Specification