Implantable device with improved radio frequency capabilities
First Claim
1. A device suitable for implantation in a body, the device comprising:
- an antenna encapsulated within a non-hermetic material, wherein the antenna is spaced from the non-hermetic material by an air gap.
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Abstract
Systems and methods for implantable devices that transmit and receive RF transmissions are provided. More particularly, the implantable device includes an antenna encapsulated within a non-hermetic material, wherein the antenna is spaced from the non-hermetic material by an air gap. Preferably, the spacing is provided by one or more enclosures that maintain the air gap surrounding the antenna during and after the manufacture of the device. The one or more enclosures can be in the form or tubing formed from glass, or the like, at least partially surrounding the antenna. By increasing the amount of air encapsulated within the implantable device, and particularly proximal to (e.g., around) the antenna, the susceptibility to changes in RF performance is reduced.
522 Citations
19 Claims
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1. A device suitable for implantation in a body, the device comprising:
an antenna encapsulated within a non-hermetic material, wherein the antenna is spaced from the non-hermetic material by an air gap. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for forming a device suitable for implantation in a body, the method comprising:
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providing device electronics comprising an antenna configured for radiating or receiving an RF transmission, wherein the antenna is at least partially surrounded by an enclosure; and
molding a non-hermetic material around the sensor electronics such that an air gap is maintained within the enclosure at least partially surrounding the antenna, whereby a device suitable for implantation is a body is obtained. - View Dependent Claims (16, 17, 18, 19)
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Specification