IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0844482
(2007-08-24)
|
등록번호 |
US-8233985
(2012-07-31)
|
발명자
/ 주소 |
- Bulkes, Cherik
- Denker, Stephen
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
24 인용 특허 :
12 |
초록
▼
An antenna module, that is compatible with a magnetic resonance imaging scanner for the purpose of diagnostic quality imaging, is adapted to be implanted inside an animal. The antenna module comprises an electrically non-conducting, biocompatible, and electromagnetically transparent enclosure with i
An antenna module, that is compatible with a magnetic resonance imaging scanner for the purpose of diagnostic quality imaging, is adapted to be implanted inside an animal. The antenna module comprises an electrically non-conducting, biocompatible, and electromagnetically transparent enclosure with inductive antenna wires looping around an inside surface. An electronic module is enclosed in an electromagnetic shield inside the enclosure to minimize the electromagnetic interference from the magnetic resonance imaging scanner.
대표청구항
▼
1. An implantable antenna module for a medical device wherein the implantable antenna module is compatible with a magnetic resonance imaging scanner for a purpose of diagnostic quality imaging, said implantable antenna module comprising: an enclosure that is electrically non-conductive, electromagne
1. An implantable antenna module for a medical device wherein the implantable antenna module is compatible with a magnetic resonance imaging scanner for a purpose of diagnostic quality imaging, said implantable antenna module comprising: an enclosure that is electrically non-conductive, electromagnetically transparent, and biocompatible, wherein the enclosure surrounds a region and has an inside surface and an outside surface;an electromagnetic shield within the region and remote from the enclosure;an inductive antenna having a coil pattern formed on the inside surface by a plurality of conductive loops wound parallel to the inside surface; andan electronic module enclosed in the electromagnetic shield to minimize the electromagnetic interference from the magnetic resonance imaging scanner. 2. The implantable antenna module as recited in claim 1 further comprising a power supply to furnish electrical energy to the electronic module. 3. The implantable antenna module as recited in claim 2 wherein a part of the electronic module is adapted to stimulate tissue of an animal. 4. The implantable antenna module as recited in claim 2 wherein the power supply is rechargeable. 5. The implantable antenna module as recited in claim 2 wherein the-power supply comprises a radio frequency pickup coil for receiving the electrical energy from an external power source. 6. The implantable antenna module as recited in claim 1 wherein the inductive antenna is adapted to receive wirelessly electrical energy from an external power source for powering the medical device. 7. The implantable antenna module as recited in claim 1 wherein the inductive antenna is used for communicating with an external communication device. 8. The implantable antenna module as recited in claim 1 wherein a part of the electronic module is a transponder circuit. 9. The implantable antenna module as recited in claim 1 wherein the inductive antenna is adapted to receive a radio frequency signal. 10. The implantable antenna module as recited in claim 1 wherein the electronic module produces signals for stimulating tissue of an animal. 11. The implantable antenna module as recited in claim 1 wherein the electromagnetic shield comprises a housing containing the electronic module and having a plurality of exterior walls, wherein each exterior wall comprises: a) a substrate of a dielectric material with opposing first and second surfaces,b) a first layer of electrically conductive material on the first surface, wherein the first layer includes a plurality of first slots which expose the dielectric material and divide the first layer into a plurality of first conductive segments, andc) a second layer of electrically conductive material on the second surface, wherein the second layer includes a plurality of second slots which expose the dielectric material and divide the second layer into a plurality of second conductive segments. 12. The implantable antenna module as recited in claim 11 wherein in the electromagnetic shield, the first slots extend between opposite edges of the first surface of a dielectric material, and the second slots extend between opposite edges of the second surface of a dielectric material. 13. The implantable antenna module as recited in claim 1 wherein the enclosure has a wall defining the inside surface and being bounded by side walls; and the conductive loops of the inductive antenna is formed on the inside surface of the wall and proximate to the side walls. 14. An implantable power antenna module for a medical device wherein the implantable antenna module is compatible with a magnetic resonance imaging scanner for a purpose of diagnostic quality imaging, said implantable power antenna module comprising: an enclosure that is electrically non-conductive, electromagnetically transparent, and biocompatible, wherein the enclosure surrounds a region and has an inside surface and an outside surface;an electromagnetic shield inside the region and remote from the enclosure;a capacitor inside the region;a magnetic field power antenna formed on the inside surface of the enclosure by a coil pattern having conductive loops parallel to the inside surface, and forming a resonant circuit with the capacitor;a coil pattern having conductive loops parallel to the inside surfacean electronic module enclosed in the electromagnetic shield to minimize the electromagnetic interference from the magnetic resonance imaging scanner; anda power supply to furnish electrical energy to the electronic module. 15. The implantable power antenna module as recited in claim 14 wherein a part of the electronic module is adapted to stimulate tissue of an animal. 16. The implantable power antenna module as recited in claim 14 wherein the power supply is rechargeable. 17. The implantable power antenna module as recited in claim 14 wherein the power supply comprises a radio frequency pickup coil for receiving the electrical energy from an external power source. 18. The implantable power antenna module as recited in claim 14 wherein the magnetic field power antenna is adapted to receive wirelessly the electrical energy from an external power source for powering the medical device. 19. The implantable antenna module as recited in claim 14 wherein the electronic module produces signals for stimulating tissue of an animal. 20. The implantable antenna module as recited in claim 14 wherein the electromagnetic shield comprises a housing containing the electronic module and having a plurality of exterior walls, wherein each exterior wall comprises: a) a substrate of a dielectric material with opposing first and second surfaces,b) a first layer of electrically conductive material on the first surface, wherein the first layer includes a plurality of first slots which expose the dielectric material and divide the first layer into a plurality of first conductive segments, andc) a second layer of electrically conductive material on the second surface, wherein the second layer includes a plurality of second slots which expose the dielectric material and divide the second layer into a plurality of second conductive segments. 21. The implantable antenna module as recited in claim 20 wherein in the electromagnetic shield, the first slots extend between opposite edges of the first surface of a dielectric material, and the second slots extend between opposite edges of the second surface of a dielectric material. 22. The implantable antenna module as recited in claim 14 wherein the enclosure has a wall defining the inside surface and being bounded by side walls; and the conductive loops of the inductive antenna is formed on the inside surface of the wall and proximate to the side walls. 23. An implantable communication antenna module that is compatible with a magnetic resonance imaging scanner for a purpose of diagnostic quality imaging, said implantable communication antenna module comprising: an enclosure that is electrically non-conductive, electromagnetically transparent, and biocompatible, wherein the enclosure surrounds a region and has an inside surface and an outside surface;an electromagnetic shield within the region and remote from the enclosure;a capacitor within the region;a magnetic field communication antenna formed on the inside surface of the enclosure by a coil pattern having conductive loops parallel to the inside surface, and forming a resonant circuit with the capacitor; andan electronic module enclosed in the electromagnetic shield to minimize the electromagnetic interference from the magnetic resonance imaging scanner, wherein a part of the electronic module is a transponder circuit. 24. The implantable communication antenna module as recited in claim 23 wherein the antenna is adapted to communicate with an external communication device. 25. The implantable antenna module as recited in claim 23 wherein the magnetic field communication antenna is adapted to receive a radio frequency signal. 26. The implantable antenna module as recited in claim 23 wherein the electronic module produces signals for stimulating tissue of an animal. 27. The implantable antenna module as recited in claim 23 wherein the electromagnetic shield comprises a housing containing the electronic module and having a plurality of exterior walls, wherein each exterior wall comprises: a) a substrate of a dielectric material with opposing first and second surfaces,b) a first layer of electrically conductive material on the first surface, wherein the first layer includes a plurality of first slots which expose the dielectric material and divide the first layer into a plurality of first conductive segments, andc) a second layer of electrically conductive material on the second surface, wherein the second layer includes a plurality of second slots which expose the dielectric material and divide the second layer into a plurality of second conductive segments. 28. The implantable antenna module as recited in claim 27 wherein in the electromagnetic shield, the first slots extend between opposite edges of the first surface of a dielectric material, and the second slots extend between opposite edges of the second surface of a dielectric material. 29. The implantable antenna module as recited in claim 23 wherein the enclosure has a wall defining the inside surface and being bounded by side walls; and the conductive loops of the inductive antenna is formed on the inside surface of the wall and proximate to the side walls.
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