Magnetic coupling antennas for implantable medical devices
First Claim
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1. An implantable medical device comprising:
- circuitry to process physiological signals carried on at least one lead;
a transceiver to enable communication;
a casing to hold the circuitry and the transceiver; and
a magnetic coupling structure to transfer, via electromagnetic energy, communication signals between the lead and the transceiver.
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Abstract
An implantable medical device is equipped with a magnetic coupling assembly to transfer communication signals to and from the device using electromagnetic energy.
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Citations
49 Claims
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1. An implantable medical device comprising:
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circuitry to process physiological signals carried on at least one lead;
a transceiver to enable communication;
a casing to hold the circuitry and the transceiver; and
a magnetic coupling structure to transfer, via electromagnetic energy, communication signals between the lead and the transceiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A structure for an implantable medical device, comprising:
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a magnetic member having an opening;
a first conductor wound around the member;
a second conductor extending through the opening in the magnetic member; and
the first and second conductors forming respective primary and secondary windings of a transformer that produces a magnetic field to transfer communication signals into and out of the implantable medical device. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A structure for an implantable medical device, the implantable medical device having a casing that houses device circuitry, the structure comprising:
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a core formed of magnetic material and positioned in an opening in the casing of the implantable medical device;
at least one conductor extending along a longitudinal axis of the core; and
a winding around the core and oriented perpendicularly to the longitudinal axis of the core so that passing current through the winding produces an electromagnetic field used in transferring communication signals into and out of the implantable medical device. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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- 30. A feed-through for an implantable medical device comprising at least one conductor embedded in a core, the core being formed of a magnetic material.
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34. An implantable medical device, comprising:
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processing means for processing physiological signals carried on one or more leads;
communication means for enabling communication with a remote device; and
magnetic coupling means for transferring, via electromagnetic energy, communication signals between at least one lead and the communication means. - View Dependent Claims (35, 36, 37, 38, 39)
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40. A system comprising:
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an implantable medical device equipped with communication circuitry and configured to be coupled to leads attached to a patient;
an external communication device to communicate with the implantable medical device; and
a magnetic coupling structure to transfer, via electromagnetic energy, communication signals between at least one lead and the communication circuitry of the implantable medical device to enable communication between the implantable medical device and the external communication device. - View Dependent Claims (41, 42, 43, 44, 45, 46)
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47. A network system comprising:
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an implantable medical device equipped with communication circuitry and configured to be coupled to at least one lead attached to a patient, the implantable medical device having a magnetic coupling structure to transfer, via electromagnetic energy, communication signals between the lead and the communication circuitry;
an external communication device to communicate with the implantable medical device; and
a computing network linking one or more computing systems with the external communication device to process data received from the implantable medical device. - View Dependent Claims (48, 49)
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Specification