Implantable sensor
First Claim
Patent Images
1. A sensor configured to sense glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate, the sensor being implantable in the body of a living creature or an object and configured for sensing in tissue or bodily fluids, the sensor comprising:
- an integrated radiation source configured for coupling radiation generated by said source into a photonics integrated circuit, the integrated radiation source being for irradiating said tissue or bodily fluids having at least one of glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate in said tissue or bodily fluid,a photonics integrated circuit configured to spectrally process the radiation interacting with the glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate, wherein the photonics integrated circuit comprises at least an integrated optical waveguide, an optical demultiplexer and a detection element,said integrated optical waveguide being configured for receiving radiation from said integrated radiation source and to send the radiation to the demultiplexer,said optical demultiplexer being configured for spectrally processing the radiation, said integrated detection element being configured to detect different absorption or reflection bands of the glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate from the spectrally processed radiation to sense the glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate, wherein the radiation source and the photonics integrated circuit form an integrated spectrometer, and wherein said sensor is configured to be implantable in the body of a living creature or an object to sense glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate.
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Abstract
A sensor for sensing a substance such as for example glucose. The sensor is implantable in the body of a living creature. The sensor has a photonic integrated circuit, e.g. silicon-photonics integrated circuit, for spectrally processing radiation interacting with the sample. A continuous monitoring system can also include such a sensor.
19 Citations
20 Claims
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1. A sensor configured to sense glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate, the sensor being implantable in the body of a living creature or an object and configured for sensing in tissue or bodily fluids, the sensor comprising:
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an integrated radiation source configured for coupling radiation generated by said source into a photonics integrated circuit, the integrated radiation source being for irradiating said tissue or bodily fluids having at least one of glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate in said tissue or bodily fluid, a photonics integrated circuit configured to spectrally process the radiation interacting with the glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate, wherein the photonics integrated circuit comprises at least an integrated optical waveguide, an optical demultiplexer and a detection element, said integrated optical waveguide being configured for receiving radiation from said integrated radiation source and to send the radiation to the demultiplexer, said optical demultiplexer being configured for spectrally processing the radiation, said integrated detection element being configured to detect different absorption or reflection bands of the glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate from the spectrally processed radiation to sense the glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate, wherein the radiation source and the photonics integrated circuit form an integrated spectrometer, and wherein said sensor is configured to be implantable in the body of a living creature or an object to sense glucose, urea, creatinine, triglyceride, protein, cholesterol, ethanol, ketones, hormones or lactate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification