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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0981860 (1998-06-23) |
국제출원번호 | PCT/US96/11435 (1996-07-08) |
§371/§102 date | 19980623 (19980623) |
국제공개번호 | WO-9701986 (1997-01-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 818 인용 특허 : 29 |
This invention is an implantable sensor and system capable of measuring, controlling, monitoring and reporting blood constituent levels. The implantable sensor for sensing in vivo the level of at least one blood constituent in mammalian vascular tissue having at least one source of radiation from in
This invention is an implantable sensor and system capable of measuring, controlling, monitoring and reporting blood constituent levels. The implantable sensor for sensing in vivo the level of at least one blood constituent in mammalian vascular tissue having at least one source of radiation from infrared through visible light, arranged to direct the radiation at the tissue where it is affected by interaction with the tissue, and at least one detector. The invention also encompasses a device for measuring and controlling the level of a blood constituent, such as glucose or oxygen, and includes an implantable infrared source module for generating an output signal representative of the sensed infrared radiation. The system includes a processor module responsive to the output signal which performs spectral analysis of the output signal and generates a control signal. The system further includes other devices for dispensing doses of medications or controlling organ function in response to the control signal.
[ What is claimed is:] [1.] A device for sensing in-vivo the level of at least one constituent of blood within mammalian vascular tissue, comprising at least one implantable source of radiation from infrared through visible light, the source emitting radiation in at least two selected frequency band
[ What is claimed is:] [1.] A device for sensing in-vivo the level of at least one constituent of blood within mammalian vascular tissue, comprising at least one implantable source of radiation from infrared through visible light, the source emitting radiation in at least two selected frequency bands, the at least one implantable source of radiation being arranged to direct the radiation at blood within the tissue and being located out of direct contact with the blood, the radiation being affected by direct interaction with the blood,at least one implantable detector adapted to be located out of direct contact with the blood and adapted to be located with respect to the tissue to receive radiation affected by the direct interaction with the blood,means associated with the source and the detector for deriving from the detector an output signal containing spectral information about the blood within the at least two selected frequency bands, anda processor for processing the output signal to derive the level of the blood constituent.
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