INVERTED E ANTENNA WITH PARALLEL PLATE CAPACITOR FORMED ALONG AN ARM OF THE ANTENNA FOR USE WITH AN IMPLANTABLE MEDICAL DEVICE
First Claim
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1. An implantable medical device for implant within a patient, the device comprising:
- radio frequency (RF) communication components installed within a case of the device; and
an antenna coupled to the RF communication components and having an inverted E shape wherein a first branch of the antenna includes a capacitor formed of a set of conducting plates with a non-conductive medium interposed between the plates.
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Abstract
The device includes radio frequency (RF) communication components installed within a case of the device and an antenna with an inverted E shape mounted within a header of the device. The antenna has three branches extending from a main arm: a capacitive branch connecting one end of the main arm to the case; an RF signal feed branch connecting a middle portion of the main arm to the internal RF components of the device via a feedthrough; and an inductive branch connecting the opposing (far) end of the main arm to the case to provide a shunt to ground.
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Citations
20 Claims
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1. An implantable medical device for implant within a patient, the device comprising:
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radio frequency (RF) communication components installed within a case of the device; and an antenna coupled to the RF communication components and having an inverted E shape wherein a first branch of the antenna includes a capacitor formed of a set of conducting plates with a non-conductive medium interposed between the plates. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An antenna for use with an implantable medical device, the antenna comprising:
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a main conducting arm; a first conducting branch extending from a first end of the main arm and including a capacitor formed of a set of conducting plates with a non-conductive medium interposed between the plates; a second conducting branch extending from a middle portion of the main arm for providing a radio frequency (RF) signal feed; and a third conducting branch extending from a second end of the main arm for providing a shunt to ground.
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20. A method for use with an implantable medical device for implant within a patient, the method comprising:
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installing a radio frequency (RF) antenna having an inverted E shape in a header of the device, the inverted E shape antenna including three branches, wherein a first branch of the antenna is capacitive, a second branch provides an RF signal feed and a third branch provides a shunt to ground; and
wherein the first branch includes a capacitor formed of a set of conducting plates with a non-conductive medium interposed between the plates;generating RF signals using RF communication components installed within a case of the device; and transmitting the RF signals using the antenna with the inverted E shape.
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Specification