System configured for measuring physiological parameters
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01J-003/00
A61B-005/00
G16H-040/67
A61B-005/145
G01J-003/14
A61B-005/1455
G01N-033/15
G01N-033/49
G01J-003/10
G01J-003/28
G01N-033/44
G01N-033/02
G01N-021/3563
G01N-021/39
G01N-021/35
G01N-021/88
G01J-003/42
G01J-003/02
G06F-019/00
G01J-003/453
G01N-021/359
G01J-003/18
H01S-003/30
G01M-003/38
G01N-021/85
G01N-021/95
H01S-003/067
H01S-003/00
G01J-003/12
출원번호
US-0594053
(2017-05-12)
등록번호
US-10188299
(2019-01-29)
발명자
/ 주소
Islam, Mohammed N.
출원인 / 주소
Omni Medsci, Inc.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
0인용 특허 :
197
초록▼
A wearable device for measuring physiological parameters includes a light source having a plurality of semiconductor light emitting diodes (LEDs) each configured to generate an output optical beam, wherein at least a portion of the one or more optical beam wavelengths is a near-infrared wavelength.
A wearable device for measuring physiological parameters includes a light source having a plurality of semiconductor light emitting diodes (LEDs) each configured to generate an output optical beam, wherein at least a portion of the one or more optical beam wavelengths is a near-infrared wavelength. The light source is configured to increase signal-to-noise ratio by increasing light intensity for at least one of the LEDs and by increasing a pulse rate of at least one of the LEDs. A lens is configured to receive the output optical beam and to deliver a lens output beam to tissue. A detection system generates an output signal in response to the lens output beam reflected from the tissue, wherein the detection system is configured to be synchronized to the light source, and is located a different distance from a first one of the LEDs than a second one of the LEDs.
대표청구항▼
1. A system comprising: a light source comprising a plurality of light emitting diodes, each of the light emitting diodes configured to generate an output optical beam having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelen
1. A system comprising: a light source comprising a plurality of light emitting diodes, each of the light emitting diodes configured to generate an output optical beam having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a lens positioned to receive at least a portion of at least one of the output optical beams and to deliver a lens output beam to tissue;a detection system located to receive at least a portion of the lens output beam reflected from the tissue and configured to generate an output signal based on the received portion of the lens output beam reflected from the tissue, the output signal having a signal-to-noise ratio, wherein the detection system is further configured to be synchronized to the light source;a personal device comprising a wireless receiver, a wireless transmitter, a display, a microphone, a speaker, one or more buttons or knobs, a microprocessor, and a touch screen, the personal device configured to receive and process at least a portion of the output signal, wherein the personal device is configured to store and display the processed output signal, and wherein at least a portion of the processed output signal is configured to be transmitted over a wireless transmission link; anda remote device configured to receive over the wireless transmission link an output status comprising the at least a portion of the processed output signal, to process the received output status to generate processed data, and to store the processed data;wherein the output signal is indicative of one or more physiological parameters, and the remote device is configured to store a history of at least a portion of the one or more physiological parameters over a specified period of time;the light source configured to improve the signal-to-noise ratio of the output signal by increasing light intensity relative to an initial light intensity from at least one of the plurality of light emitting diodes and by increasing pulse rate relative to an initial pulse rate of at least one of the plurality of light emitting diodes;wherein the detection system includes a plurality of spatially separated detectors, wherein at least one analog to digital converter is coupled to at least one of the spatially separated detectors and is configured to generate at least two data signals, and the system is configured to further improve the signal-to-noise ratio by differencing two of the at least two data signals; andwherein the detection system further comprises one or more spectral filters positioned in front of at least some of the plurality of spatially separated detectors. 2. The system of claim 1 wherein the detection system is further configured to: detect light while the light emitting diodes are off and generate a corresponding first signal;detect light while at least one of the light emitting diodes is on and generate a corresponding second signal; andfurther improve the signal-to-noise ratio of the output signal by differencing the first signal and the second signal. 3. The system of claim 1 wherein the output signal is generated by using a Fourier transform. 4. The system of claim 1 further comprising a reflective surface positioned to reflect at least a portion of light reflected from the tissue. 5. The system of claim 4, wherein the spatially separated detectors include at least one detector located at a distance from a first one of the light emitting diodes and at a different distance from a second one of the light emitting diodes, and is configured to generate a third signal responsive to light from the first light emitting diode and a fourth signal responsive to light from the second light emitting diode. 6. The system of claim 5, wherein the output signal is generated in part by comparing the third and fourth signals. 7. A system for measuring one or more physiological parameters comprising: a light source comprising a plurality of semiconductor sources that are light emitting diodes, each of the light emitting diodes configured to generate an output optical beam having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a lens configured to receive a portion of at least one of the output optical beams and to deliver a lens output beam to tissue;a detection system configured to receive at least a portion of the lens output beam reflected from the tissue and to generate an output signal having a signal-to-noise ratio, wherein the detection system is configured to be synchronized to the light source;a personal device comprising a wireless receiver, a wireless transmitter, a display, a microphone, a speaker, one or more buttons or knobs, a microprocessor and a touch screen, the personal device configured to receive and process at least a portion of the output signal, wherein the personal device is configured to store and display the processed output signal, and wherein at least a portion of the processed output signal is configured to be transmitted over a wireless transmission link;a remote device configured to receive over the wireless transmission link an output status comprising the at least a portion of the processed output signal, to process the received output status to generate processed data, and to store the processed data;wherein the output signal is indicative of one or more of the physiological parameters, and the remote device is configured to store a history of at least a portion of the one or more physiological parameters over a specified period of time;the system configured to increase the signal-to-noise ratio by increasing light intensity of at least one of the plurality of semiconductor sources from an initial light intensity and by increasing a pulse rate of at least one of the plurality of semiconductor sources from an initial pulse rate; andthe detection system further configured to: generate a first signal responsive to light while the light emitting diodes are off,generate a second signal responsive to light received while at least one of the light emitting diodes is on, andincrease the signal-to-noise ratio by differencing the first signal and the second signal. 8. The system of claim 4, wherein the detection system is located at a distance from a first one of the light emitting diodes and at a different distance from a second one of the light emitting diodes such that the detection system receives a third signal from the first light emitting diode and a fourth signal from the second light emitting diode. 9. The system of claim 5, wherein the output signal is generated in part by comparing the third and fourth signals. 10. The system of claim 7, further comprising a reflective surface configured to reflect at least a portion of light reflected from the tissue. 11. The system of claim 7 wherein the detection system comprises a plurality of spatially separated detectors. 12. The system of claim 11 wherein at least one of the spatially separated detectors is located at a distance from a first one of the light emitting diodes and at a different distance from a second one of the light emitting diodes, and is configured to generate a third signal responsive to light from the first light emitting diode and a fourth signal responsive to light from the second light emitting diode. 13. The system of claim 12 wherein the output signal is generated in part by comparing the third and fourth signals. 14. The system of claim 13 further comprising a reflective surface positioned to reflect at least a portion of light reflected from the tissue. 15. A system comprising: a light source comprising a plurality of semiconductor sources that are light emitting diodes, each of the light emitting diodes configured to generate an output optical beam having one or more optical wavelengths, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;a lens configured to receive at least a portion of at least one of the output optical beams and to deliver a lens output beam to tissue;a reflective surface configured to receive and redirect at least a portion of light reflected from the tissue;a detection system configured to receive at least a portion of the lens output beam reflected from the tissue and to generate an output signal having a signal-to-noise ratio, wherein the detection system is configured to be synchronized to the light source;a personal device comprising a wireless receiver, a wireless transmitter, a display, a microphone, a speaker, one or more buttons or knobs, a microprocessor and a touch screen, the personal device configured to receive and process at least a portion of the output signal, wherein the personal device is configured to store and display the processed output signal, and wherein at least a portion of the processed output signal is configured to be transmitted over a wireless transmission link; anda remote device configured to receive over the wireless transmission link an output status comprising the at least a portion of the processed output signal, to process the received output status to generate processed data, and to store the processed data;wherein the output signal represents one or more physiological parameters, and the remote device is configured to store a history of at least a portion of the one or more physiological parameters over a specified period of time;the system configured to improve the signal-to-noise ratio by increasing light intensity from at least one of the light emitting diodes relative to an initial light intensity and by increasing a pulse rate of at least one of the light emitting diodes relative to an initial pulse rate; andthe detection system further configured to: generate a first signal corresponding to light detected while the light emitting diodes are off,generate a second signal corresponding to light detected while at least one of the light emitting diodes is on, andincrease the signal-to-noise ratio by differencing the first signal and the second signal. 16. The system of claim 15, wherein the detection system comprises at least on detector located at a distance from a first one of the light emitting diodes and at a different distance from a second one of the light emitting diodes such that the at least one detector generates a third signal from light from the first light emitting diode and a fourth signal from light from the second light emitting diode. 17. The system of claim 9, wherein the output signal is generated in part by comparing the third and fourth signals. 18. The system of claim 8, wherein the remote device is further configured to transmit at least a portion of the processed data to one or more other locations, wherein the one or more other locations is selected from the group consisting of the personal device, a doctor, a healthcare provider, a cloud-based server, and one or more designated recipients, and wherein the remote device is configured to transmit information related to a time and a position associated with the at least a portion of the processed data. 19. The system of claim 8, wherein at least one of the light emitting diodes emits light having a bandwidth between 20 nanometers and 40 nanometers. 20. The system of claim 8, further comprising one or more spectral filters positioned in front of one or more receivers of the detection system.
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