Telemetry system for use with microstimulator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61N-001/372
A61N-001/375
A61N-001/378
H02J-007/02
H04L-027/02
H04L-027/10
A61N-001/36
H02J-007/34
H04B-005/00
출원번호
US-0182064
(2014-02-17)
등록번호
US-9242106
(2016-01-26)
발명자
/ 주소
Klosterman, Daniel J.
Haller, Matthew I.
Parramon, Jordi
McClure, Kelly H.
Marnfeldt, Goran N.
Park, Rudolph V.
출원인 / 주소
Boston Scientific Neuromodulation Corporation
대리인 / 주소
Lewis & Reese, PLLC
인용정보
피인용 횟수 :
15인용 특허 :
59
초록▼
An implantable microstimulator configured to be implanted beneath a patient's skin for tissue stimulation employs a bi-directional RF telemetry link for allowing data-containing signals to be sent to and from the implantable microstimulator from at least two external devices. Further, a separate ele
An implantable microstimulator configured to be implanted beneath a patient's skin for tissue stimulation employs a bi-directional RF telemetry link for allowing data-containing signals to be sent to and from the implantable microstimulator from at least two external devices. Further, a separate electromagnetic inductive telemetry link allows data containing signals to be sent to the implantable microstimulator from at least one of the two external devices. The RF bidirectional telemetry link allows the microstimulator to inform the patient or clinician regarding the status of the microstimulator device, including the charge level of a power source, and stimulation parameter states. The microstimulator has a cylindrical hermetically sealed case having a length no greater than about 27 mm and a diameter no greater than about 3.3 mm. A reference electrode is located on one end of the case and an active electrode is located on the other end of the case.
대표청구항▼
1. An external device configured to communicate with an implantable medical device, the device comprising: an antenna; andcircuitry coupled to the antenna and configured to utilize the antenna to communicate with the implantable medical device in accordance with a first modulation scheme via a first
1. An external device configured to communicate with an implantable medical device, the device comprising: an antenna; andcircuitry coupled to the antenna and configured to utilize the antenna to communicate with the implantable medical device in accordance with a first modulation scheme via a first bi-directional wireless link and in accordance with a second modulation scheme via a second wireless link, wherein the first modulation scheme is a frequency modulation scheme. 2. The device of claim 1, wherein the first modulation scheme comprises a frequency shift keying (FSK) modulation scheme. 3. The device of claim 1, wherein the second modulation scheme comprises a pulse width modulation (PWM) scheme. 4. The device of claim 1, wherein the second modulation scheme comprises an on-off keying (OOK) modulation scheme. 5. The device of claim 1, wherein in the second modulation scheme, a logic ‘0’ bit is represented by a first pulse width and a logic ‘1’ bit is represented by a second pulse width, wherein a transition between adjacent bits is marked by a change in the transmitted signal from an ON to an OFF state or from the OFF state to the ON state, wherein the ON state is characterized by the transmitted signal having a frequency, and wherein the OFF state is characterized by the transmitted signal having no frequency. 6. The device of claim 1, wherein the second modulation scheme is frequency independent. 7. The device of claim 1, wherein the circuitry is configured to receive data from the implantable medical device modulated in accordance with the first modulation scheme. 8. The device of claim 7, wherein the received data comprises an acknowledgment from the implantable medical device following transmission of a command and/or data to the implantable medical device. 9. The device of claim 7, wherein the circuitry is not configured to receive data from the implantable medical device modulated in accordance with the second modulation scheme. 10. The device of claim 9, wherein the circuitry comprises first transmitter and receiver circuitry coupled to the antenna operable in accordance with the first modulation scheme, and second transmitter circuitry coupled to the antenna operable in accordance with the second modulation scheme. 11. The device of claim 1, wherein the first wireless link comprises a Radio Frequency (RF) wireless link, and wherein the second wireless link comprises an inductive wireless link. 12. The device of claim 1, wherein the antenna comprises a coil. 13. The device of claim 12, wherein the coil is further configured to provide power to the implantable medical device via the second wireless link. 14. The device of claim 1, wherein the second wireless link is used upon indication that the implantable medical device is not listening for commands and/or data transmitted from the external device via the first wireless link. 15. The device of claim 14, wherein the second wireless link is used when a voltage of a battery in the implantable medical device is below a threshold. 16. The device of claim 1, wherein the second wireless link is used to transmit instructions to perform an emergency shut down of the implantable medical device. 17. The device of claim 1, further comprising a base station, wherein the antenna is coupled to the base station by an extension. 18. An external device configured to communicate with an implantable medical device, the device comprising: an antenna;first circuitry coupled to the antenna and configured to use the antenna to send and receive commands and/or data to and from the implantable medical device in accordance with a first frequency modulation scheme; andsecond circuitry coupled to the antenna and configured to use the antenna to send commands and/or data and power to the implantable medical device in accordance with a second modulation scheme. 19. The device of claim 18, wherein the first modulation scheme comprises a frequency shift keying (FSK) modulation scheme. 20. The device of claim 18, wherein the second modulation scheme comprises a pulse width modulation (PWM) scheme. 21. The device of claim 18, wherein the second modulation scheme comprises an on-off keying (OOK) modulation scheme. 22. The device of claim 18, wherein in the second modulation scheme, a logic ‘0’ bit is represented by a first pulse width and a logic ‘1’ bit is represented by a second pulse width, wherein a transition between adjacent bits is marked by a change in the transmitted signal from an ON to an OFF state or from the OFF state to the ON state, wherein the ON state is characterized by the transmitted signal having a frequency, and wherein the OFF state is characterized by the transmitted signal having no frequency. 23. The device of claim 18, wherein the second modulation scheme is frequency independent. 24. The device of claim 18, wherein the first circuitry is further configured to receive data from the implantable medical device modulated in accordance with the first modulation scheme. 25. The device of claim 24, wherein the received data comprises an acknowledgment from the implantable medical device following transmission of a command and/or data to the implantable medical device. 26. The device of claim 24, wherein the second circuitry is not configured to receive data from the implantable medical device modulated in accordance with the second modulation scheme. 27. The device of claim 26, wherein the first circuitry comprises first transmitter and receiver circuitry and wherein the second circuitry comprises second transmitter circuitry. 28. The device of claim 18, wherein commands and/or data transmitted to the implantable medical device in accordance with the first modulation scheme are transmitted via a first wireless link, and wherein commands and/or data transmitted to the implantable medical device in accordance with the second modulation scheme are transmitted via a second wireless link. 29. The device of claim 28, wherein the second wireless link further carries the power for the implantable medical device. 30. The device of claim 28, wherein the first wireless link comprises a Radio Frequency (RF) wireless link, and wherein the second wireless link comprises an inductive wireless link. 31. The device of claim 18, wherein the antenna comprises a coil. 32. The device of claim 18, wherein the second modulation scheme is used to send commands and/or data when the implantable medical device is not listening for commands and/or data transmitted from the external device via the first modulation scheme. 33. The device of claim 32, wherein the second modulation scheme is used when a voltage of a battery in the implantable medical device is below a threshold. 34. The device of claim 18, wherein the second modulation scheme is used to transmit instructions to perform an emergency shut down of the implantable medical device. 35. The device of claim 18, further comprising a base station, wherein the antenna is coupled to the base station by an extension.
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