[특허]Antenna arrangements for implantable therapy device

Antenna arrangements for implantable therapy device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61N-001/00
출원번호	US-0036614 (2011-02-28)
등록번호	US-8483838 (2013-07-09)
발명자 / 주소	Nghiem, David Lambert, Scott Anthony Sprain, Jason William
출원인 / 주소	EnteroMedics Inc.
대리인 / 주소	Merchant & Gould, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 50

초록 ▼

Embodiments of an implantable medical device includes a loop antenna wound about an inner housing. The loop antenna may form a partial winding, a complete winding, or multiple windings about the inner housing. One or more additional antennae may be capacitively coupled to the loop antenna external to the inner housing to increase efficiency and decrease Return Loss Response of the implantable device. The additional antenna may be balanced or unbalanced antennae.

대표청구항 ▼

1. An implantable medical device comprising: an inner housing containing a telemetry circuitry and a treatment circuitry, the inner housing defining an antenna port;a loop antenna wrapped at least once around an external perimeter of the inner housing and coupled to the telemetry circuitry through the antenna port;a first unbalanced antenna capacitively coupled to the loop antenna; andan outer layer of a dielectric material surrounding at least a portion of the first unbalanced antenna, the outer layer defining therapy ports configured to provide an electrical connection to the treatment circuitry of the inner housing;wherein the implantable medical device is configured for implantation within a body of a patient. 2. The implantable medical device of claim 1, wherein the loop antenna is wound around the external perimeter of the inner housing multiple times. 3. The implantable medical device of claim 2, wherein the loop antenna is wrapped around the external perimeter of the inner housing about four times. 4. The implantable medical device of claim 1, wherein the loop antenna is wrapped around the external perimeter of the inner housing in a helical pattern. 5. The implantable medical device of claim 1, wherein the loop antenna is wrapped around the external perimeter of the inner housing in a spiral pattern. 6. The implantable medical device of claim 1, wherein a first section of the loop antenna is wrapped around the external perimeter of the inner housing in a spiral pattern and a second section of the loop antenna is wrapped around the external perimeter of the inner housing in a helical pattern. 7. The implantable medical device of claim 1, wherein the first unbalanced antenna includes a first section extending outwardly from the inner housing and wrapping around the loop antenna and a second section having a generally planar surface extending substantially parallel to windings of the loop antenna. 8. The implantable medical device of claim 1, wherein the first unbalanced antenna includes a zigzag antenna. 9. The implantable medical device of claim 1, wherein the first unbalanced antenna includes a helical antenna. 10. The implantable medical device of claim 1, wherein the first unbalanced antenna includes a folded antenna. 11. The implantable medical device of claim 1, wherein the first unbalanced antenna includes a serpentine antenna. 12. The implantable medical device of claim 11, wherein the first unbalanced antenna includes a first section having a planar surface extending substantially parallel and in proximity to the loop antenna and a second section having a planar surface extending substantially parallel to, but spaced from the loop antenna. 13. The implantable medical device of claim 1, wherein the outer layer fully surrounds the first unbalanced antenna. 14. The implantable medical device of claim 1, wherein the outer layer fully surrounds the loop antenna and the first unbalanced antenna. 15. The implantable medical device of claim 1, wherein the inner housing contains at least one switching circuit configured to receive current induced on the loop antenna when a signal is received, the switching circuit is configured to determine a type of signal received and to provide power to an appropriate one of the circuits contained within the inner housing based on the type of signal received. 16. The implantable medical device of claim 15, wherein the switching circuitry determines which of the circuits contained within the inner housing is the appropriate circuit based on a frequency of the signals received at the loop antenna. 17. An implantable medical device comprising: an inner housing containing a telemetry circuitry and a treatment circuitry, the inner housing defining an antenna port;a loop antenna wrapped in a plurality of coils around an external perimeter of the inner housing and coupled to the telemetry circuitry through the antenna port;a first unbalanced antenna decoupled from the loop antenna; andan outer layer of a dielectric material surrounding at least a portion of the first unbalanced antenna, the outer layer defining therapy ports configured to provide an electrical connection to the treatment circuitry of the inner housing;wherein the implantable medical device is configured for implantation within a body of a patient. 18. The implantable medical device of claim 17, wherein the first unbalanced antenna includes a zigzag antenna. 19. The implantable medical device of claim 18, wherein the first unbalanced antenna includes a surface that extends substantially perpendicular to the coils of the loop antenna. 20. The implantable medical device of claim 17, wherein the outer layer fully surrounds the loop antenna and the first unbalanced antenna.

이 특허에 인용된 특허 (50)

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Jonas Gamalielsson SE; Corbett Rowell HK; Johan Strand SE, Antenna device for a hand-portable radio communication unit.
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Nedungadi Ashok P. ; Wang Xintao, Data communication system for control of transcutaneous energy transmission to an implantable medical device.
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McQuilkin, Gary L., Dual-antenna transceiver.
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Paul Patrick J. (Lake Jackson TX) Prutchi David (Lake Jackson TX), Electromagnetic noise detector for implantable medical devices.
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Kraus, Michael; Lang, Martin; Lang, Berhard; Neudecker, Johannes; Beetz, Klemens; Nagelschmidt, Axel; Potschadtke, Jens, Electromedical implant.
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Cox, Timothy J., Frequency agile telemetry system for implantable medical device.
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Cox,Timothy J., Frequency agile telemetry system for implantable medical device.
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Renken Gerald W., Implant device telemetry antenna.
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Michael Kraus DE; Martin Lang DE; Berhard Lang DE; Johannes Neudecker DE; Klemens Beetz DE; Axel Nagelschmidt DE; Jens Potschadtke DE, Implant with close and long-range telemetry.
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Shankar,Balakrishnan; Whitlock,Matthew; Kroll,Mark W., Implantable cardiac therapy device with dual chamber can to isolate high-frequency circuitry.
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Linder, William J.; Amundson, Mark D., Implantable electronic stimulator having isolation transformer input to telemetry circuits.
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Kelly Frank L. (Granada Hills CA) Tan Jozef I. Kie Sioe (Sylmar CA), Implantable living tissue stimulator with an improved hermetic metal container.
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Schulman ; Joseph H., Implantable living tissue stimulators.
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Sun Weimin ; Haubrich Gregory J. ; Dublin Garry L., Implantable medical device microstrip telemetry antenna.
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Nghiem,David; Baylis,Lawrence A.; Bohn,David B.; Biddick,Glenn R.; Spitzley,John J; Twetan,Len D., Implantable medical device package antenna.
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Kroll,Mark W.; Salys,Scott; Cox,Timothy J.; Schimke,Kerwyn, Implantable stimulation device with isolating system for minimizing magnetic induction.
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Li,Zhifang; Rawat,Prashant; Von Arx,Jeffrey A., Inverted-F antenna configuration for an implantable medical device.
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Kraus, Michael; Lang, Martin; Lang, Berhard; Neudecker, Johannes; Beetz, Klemens; Nagelschmidt, Axel; Potschadtke, Jens, Method and apparatus for data transmission between an electromedical implant and an external apparatus.
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Najafi,Nader; Rich,Collin Anderson; Massoud Ansari,Sonbol, System for monitoring conduit obstruction.
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Brownlee Robert R. (State College PA) Tyers G. Frank (Galveston TX) Neff Paul H. (Bellefonte PA), System for monitoring hermetic integrity, pacing pulse and load impedance in cardiac pacers.
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Dublin,Garry L.; Verhoef,William D.; Wallace,Rodney S.; Twetan,Len D.; Kuschnir,Eugene; Haubrich,Gregory J.; Przybyszewski,Piotr J; Kronich,Christine G.; Dougherty, legal representative,Bonnie; Villa, Telemetry antenna for an implantable medical device.
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McCabe,Aaron; Scheiner,Avram; Zhang,Geng; Ni,Quan; Daum,Douglas R.; Zhang,Yi, Wireless ECG in implantable devices.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Antenna arrangements for implantable therapy device 원문보기

초록 ▼

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Antenna arrangements for implantable therapy device 원문보기

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