Short-wave infrared super-continuum lasers for early detection of dental caries
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01J-003/00
A61B-005/00
A61B-005/1455
G01J-003/10
G01J-003/28
G01J-003/453
G01N-021/359
A61B-005/145
G01N-033/15
G01N-033/49
G01N-021/3563
G01N-021/39
G01N-033/02
G01N-033/44
G01N-021/88
H01S-003/30
G01J-003/14
G01J-003/18
G01M-003/38
출원번호
US-0357136
(2016-11-21)
등록번호
US-9757040
(2017-09-12)
발명자
/ 주소
Islam, Mohammed N.
출원인 / 주소
Omni Medsci, Inc.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
7인용 특허 :
149
초록▼
A wearable device for use with a smart phone or tablet includes a measurement device having a plurality of LEDs generating a near-infrared input optical beam that measures physiological parameters. The measurement device includes lenses configured to receive and to deliver the input beam to skin whi
A wearable device for use with a smart phone or tablet includes a measurement device having a plurality of LEDs generating a near-infrared input optical beam that measures physiological parameters. The measurement device includes lenses configured to receive and to deliver the input beam to skin which reflects the beam. The measurement device includes a reflective surface configured to receive and redirect the light from the skin, and a receiver configured to receive the reflected beam. The light source is configured to increase a signal-to-noise ratio of the input beam reflected from the skin by increasing the light intensity from the LEDs and modulation of the LEDs. The measurement device is configured to generate an output signal representing a non-invasive measurement on blood contained within the skin. The wearable device is configured to wirelessly communicate with the smart phone or tablet which receives and processes the output signal.
대표청구항▼
1. A wearable device for use with a smart phone or tablet, the wearable device comprising: a measurement device including a light source comprising a plurality of light emitting diodes (LEDs) for measuring one or more physiological parameters, the measurement device configured to generate, by modula
1. A wearable device for use with a smart phone or tablet, the wearable device comprising: a measurement device including a light source comprising a plurality of light emitting diodes (LEDs) for measuring one or more physiological parameters, the measurement device configured to generate, by modulating at least one of the LEDs having an initial light intensity, an input 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;the measurement device comprising one or more lenses configured to receive and to deliver a portion of the input optical beam to tissue, wherein the tissue reflects at least a portion of the input optical beam delivered to the tissue;the measurement device further comprising a reflective surface configured to receive and redirect at least a portion of light reflected from the tissue;the measurement device further comprising a receiver configured to: capture light while the LEDs are off and convert the captured light into a first signal andcapture light while at least one of the LEDs is on and convert the captured light into a second signal, the captured light including at least a portion of the input optical beam reflected from the tissue;the measurement device configured to improve a signal-to-noise ratio of the input optical beam reflected from the tissue by differencing the first signal and the second signal;the light source configured to further improve the signal-to-noise ratio of the input optical beam reflected from the tissue by increasing the light intensity relative to the initial light intensity from at least one of the LEDs;the measurement device further configured to generate an output signal representing at least in part a non-invasive measurement on blood contained within the tissue; andthe wearable device configured to communicate with the smart phone or tablet, the smart phone or tablet comprising a wireless receiver, a wireless transmitter, a display, a voice input module, a speaker, and a touch screen, the smart phone or tablet configured to receive and to process at least a portion of the output signal, wherein the smart phone or tablet is configured to store and display the processed output signal, wherein at least a portion of the processed output signal is configured to be transmitted over a wireless transmission link. 2. The wearable device of claim 1, wherein the receiver is configured to be synchronized to the modulation of the at least one of the LEDs. 3. The wearable device of claim 1, further comprising 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 output status to generate processed data and to store the processed data, and wherein the remote device is capable of storing a history of at least a portion of the output status over a specified period of time, and 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 smart phone or tablet, a doctor, a healthcare provider, a cloud-based server and one or more designated recipients. 4. The wearable device of claim 1, wherein the receiver is located a first distance from a first one of the LEDs and a different distance from a second one of the LEDs such that the receiver can capture a third signal from the first LED and a fourth signal from the second LED, and wherein the output signal is generated in part by comparing the third and fourth signals. 5. The wearable device of claim 1, wherein the receiver further comprises one or more filters in front of one or more detectors to select a fraction of the one or more optical wavelengths. 6. A method of measuring physiological information, the method comprising providing a wearable device for use with a smart phone or tablet, the smart phone or tablet comprising a wireless receiver, a wireless transmitter, a display, a voice input module, a speaker, and a touch screen, the wearable device being capable of performing all of the steps comprising: generating an input optical beam having one or more optical wavelengths using a light source comprising a plurality of light emitting diodes (LEDs) by modulating at least one of the LEDs, wherein at least a portion of the one or more optical wavelengths is a near-infrared wavelength between 700 nanometers and 2500 nanometers;delivering a portion of the input optical beam to tissue using one or more lenses;receiving and reflecting, by a reflective surface, at least a portion of the input optical beam reflected from the tissue;capturing light while the LEDs are off and converting the light into a first signal;capturing light while the at least one of the LEDs is on and converting the captured light into a second signal, the captured light including at least a portion of the input optical beam reflected from the tissue;increasing a signal-to-noise ratio of the input optical beam reflected from the tissue and the reflective surface by increasing a light intensity from at least one of the plurality of light emitting diodes and by differencing the light captured while the at least one LED is on and the light captured while the LEDs are off;generating an output signal representing at least in part a non-invasive measurement on blood contained within the tissue; andtransmitting at least a portion of the output signal to the smart phone or tablet for processing to generate a processed output signal and for transmitting from the smart phone or tablet at least a portion of the processed output signal over a wireless transmission link. 7. The method of claim 6, wherein the receiving a portion of the input optical beam is synchronized to the modulating of the at least one of the LEDs. 8. The method of claim 6, further comprising: receiving at a remote device an output status comprising the at least a portion of the processed output signal transmitted over the wireless transmission link;storing at the remote device a history of at least a portion of the output status over a period of time;processing the output status at the remote device to generate processed data;storing the processed data at the remote device; andtransmitting from the remote device 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 smart phone or tablet, a doctor, a healthcare provider, a cloud-based server and one or more designated recipients. 9. The method of claim 6, wherein the input optical beam comprises a third signal and a fourth signal, the receiving further comprising receiving the third signal from a first one of the LEDs located at a first distance and receiving the fourth signal from a different one of the LEDs located at a distance different from the first distance. 10. The method of claim 6, wherein the receiving further comprises filtering to select a fraction of the one or more optical wavelengths.
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