[특허]Implant charging field control through radio link

Implant charging field control through radio link 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02J-007/00 A61N-001/378 H02J-007/02 H02J-005/00 A61N-001/36 G01R-019/12 A61N-001/372
출원번호	US-0593807 (2015-01-09)
등록번호	US-9155901 (2015-10-13)
발명자 / 주소	Dearden, Brian R. Shelton, Brian M. Wolfe, James H.
출원인 / 주소	ALFRED E. MANN FOUNDATION FOR SCIENTIFIC RESEARCH
대리인 / 주소	Kilpatrick Townsend & Stockton LLP
인용정보	피인용 횟수 : 0 인용 특허 : 137

초록 ▼

A charger that evaluates the effectiveness of the charging field generated by the charger at an implantable device. The charger includes a charging coil, a communication module, and a processor. The processor can include instructions to determine the effectiveness of the charging field based on one or several signals or communications received from the implantable device. The charger can use the determination of the effectiveness of the charging field to vary the strength of the charging field and/or to prompt the user to move the charger with respect to the implantable device.

대표청구항 ▼

1. A portable charger device for transcutaneous charging of an implantable neurostimulator in a patient, the charger device comprising: a housing having an external surface that is configured to at least partially engage a skin surface of the patient and be positioned at least partially over the implantable neurostimulator;an antenna disposed within the housing;a charging coil disposed within the housing and configured to magnetically couple with a corresponding receiving coil of the implantable neurostimulator,an indicator disposed on the housing and configured to identify an effectiveness of a charging field created between the charging coil of the charger device and the corresponding receiving coil of the implantable neurostimulator; anda processor disposed within the housing and configured to:set a power of the charging coil of the charger device to a first level;generate and send a request to establish communication via the antenna;activate the indicator to identify the effectiveness of the charging field;increase the power of the charging coil of the charger device to a second level;determine if the power of the charging coil at the second level is at a maximum level;receive a first signal from the implantable neurostimulator at a first time;determine if the charging field generated by the charging coil of the charger device at the second level is detectable at the corresponding receiving coil of the implantable neurostimulator;determine a current flowing through a shunt circuit of the implantable neurostimulator, wherein the current flowing through the shunt circuit is excess current generated by the charging field at the corresponding receiving coil of the implantable neurostimulator;adjust the power of the charging coil of the charger device to a third level based in part on if the charging field is detectable at the corresponding receiving coil of the implantable neurostimulator and the determined current flowing through the shunt circuit;receive a second signal from the implantable neurostimulator at a second time;determine a change in the voltage induced by the charging field from the first time to the second time based on the first and second signals; andcontrol the indicator to indicate the change in the voltage induced by the charging field from the first time to the second time. 2. The portable charger device of claim 1, wherein it is determined if the charging field generated by the charging coil at the second level is detectable based on data contained in the first signal. 3. The portable charger device of claim 2, wherein determining if the power of the charging coil at the second level is at the maximum level comprises: comparing the second level to the maximum level; andidentifying that the power of the charging coil at the second level is at the maximum level if the second level is greater than or equal to the maximum level. 4. The portable charger device of claim 3, wherein the processor is further configured to determine based on the received signal if the charging field is at an acceptable strength level if the charging field is detectable at the corresponding receiving coil of the implantable neurostimulator. 5. The portable charger device of claim 4, wherein determining if the charging field is at an acceptable strength level comprises determining at least one of: if the voltage induced by the charging field is adequate to charge the implantable neurostimulator within a time range, and if a current flowing through the shunt circuit exceeds a threshold value. 6. The portable charger device of claim 5, wherein the processor is further configured to control the indicator to indicate repositioning of the charger device. 7. The portable charger device of claim 6, wherein adjusting the level of the charge field to a third level comprises at least one of: increasing the strength of the charging field if the voltage induced by the charging field is inadequate to charge the implantable neurostimulator within the time range; and decreasing the strength of the charging field if the current flowing through the shunt circuit exceeds the threshold value. 8. The portable charger device of claim 7, wherein the processor is further configured to determine a change in the current induced by the charging field from the first time to the second time based on the first and second signals if the voltage induced by the charging field does not change from the first time to the second time; and control the indicator to indicate the change in the current induced by the charging field from the first time to the second time. 9. The portable charger device of claim 8, wherein the first level of the power of the charging coil is a zero-level. 10. A method of controlling transcutaneous charging of an implantable neurostimulator in a patient with a charger device, wherein the charger device at least partially engages a skin surface of the patient and is positioned at least partially over the implantable neurostimulator, the charger device comprising an antenna and a charging coil configured to magnetically couple with a corresponding receiving coil of the implantable neurostimulator, the method comprising: setting a power of the charging coil of the charger device to a first level;generating and sending a request to establish communication via the antenna;activating an indicator of the charger device to identify an effectiveness of a charging field created between the charging coil of the charger device and the corresponding receiving coil of the implantable neurostimulator, wherein the indicator is configured to identify the effectiveness of the charging field;increasing the power of the charging coil to a second level;determining if the power of the charging coil at the second level is at a maximum level;receiving a first signal from the implantable neurostimulator at a first time;determining if the charging field generated by the charging coil at the second level is detectable at the corresponding receiving coil of the implantable neurostimulator;determining a current flowing through a shunt circuit of the implantable neurostimulator;adjusting the level of the charge field to a third level based in part on if the charging field is detectable at the corresponding receiving coil of the implantable neurostimulator and the determined current flowing through the shunt circuit;receiving a second signal from the implantable neurostimulator at a second time;determining a change in the voltage induced by the charging field from the first time to the second time based on the first and second signals; andcontrolling the indicator to indicate the change in the voltage induced by the charging field from the first time to the second time. 11. The method of claim 10, wherein it is determined if the charging field generated by the charging coil at the second level is detectable based on data contained in the first signal. 12. The method of claim 11, wherein determining if the power of the charging coil at the second level is at the maximum level comprises: comparing the second level to the maximum level; andidentifying that the power of the charging coil at the second level is at the maximum level if the second level is greater than or equal to the maximum level. 13. The method of claim 12, further comprising determining based on the received signal if the charging field is at an acceptable strength level if the charging field is detectable at the corresponding receiving coil of the implantable neurostimulator. 14. The method of claim 13, wherein determining if the charging field is at an acceptable strength level comprises determining one of: if the voltage induced by the charging field is adequate to charge the implantable neurostimulator within a time range, and if a current flowing through the shunt circuit exceeds a threshold value. 15. The method of claim 14, wherein adjusting the level of the charge field to a third level comprises one of: increasing the strength of the charging field if the voltage induced by the charging field is inadequate to charge the implantable neurostimulator within the time range; and decreasing the strength of the charging field if the current flowing through the shunt circuit exceeds the threshold value. 16. The method of claim 15, further comprising determining a change in the current induced by the charging field from the first time to the second time based on the first and second signals if the voltage induced by the charging field does not change from the first time to the second time; and controlling the indicator to indicate the change in the current induced by the charging field from the first time to the second time. 17. The method of claim 16, wherein the first level of the power of the charging coil is a zero-level. 18. The method of claim 17, wherein the generating and the sending of the request to establish communication is independent of charging.

이 특허에 인용된 특허 (137)

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Haller, Matthew I.; Parramon, Jordi; Feldman, Emanuel, Ultracapacitor powered implantable pulse generator with dedicated power supply.
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Rahman, Md. Mizanur, Using the case of an implantable medical device to broaden communication bandwidth.
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Jiang, Guangqiang; Antalfy, Attila, Zirconia to platinum assembly using a titanium connector.
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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
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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Implant charging field control through radio link 원문보기

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연합인증

Implant charging field control through radio link 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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