TELEMETRY NOISE REDUCTION
First Claim
Patent Images
1. An implantable medical device comprising:
- a housing;
electronics disposed in the housing;
a telemetry antenna disposed in the housing and operably coupled to the electronics; and
a first shielding coil disposed between the housing and the telemetry antenna and having a first end and a second end, the second end being electrically terminated in circuitry of the electronics, wherein the first shielding coil comprises a wound wire having a plurality of turns.
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Abstract
A device includes a housing and electronics disposed in the housing. A telemetry antenna is disposed in the housing and is operably coupled to the electronics. A shielding coil is disposed between the housing and the telemetry antenna. The shielding coil has a first end and a second end. The second end is electrically terminated in circuitry of the electronics.
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Citations
20 Claims
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1. An implantable medical device comprising:
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a housing; electronics disposed in the housing; a telemetry antenna disposed in the housing and operably coupled to the electronics; and a first shielding coil disposed between the housing and the telemetry antenna and having a first end and a second end, the second end being electrically terminated in circuitry of the electronics, wherein the first shielding coil comprises a wound wire having a plurality of turns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for shielding a telemetry antenna from a housing of an implantable medical device, the telemetry antenna being disposed within the housing, the method comprising:
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disposing a shielding coil between the housing and the antenna; and electrically terminating an end of the shielding coil in electronics of the device.
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Specification