# US 9,775,518 B2 · Hand-held medical-data capture-device having a digital infrared sensor with no analog readout ports and optical detection of vital signs through variation amplification and interoperation with electronic medical record systems without specific discovery protocols or domain name service

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- Number: US 9,775,518 B2
- Document ID: US9775518B2
- Status: Granted
- Kind: B2
- Application number: 14/585,179
- Filed: 2014-12-29
- Published: 2016-04-28
- Granted: 2017-10-03
- Earliest claimed: 2014-10-25
- Assignees: Arc Devices, Ltd
- Applicants: Irwin Gross; Michael G. Smith; Mark Khachaturian; Martin Crawley; Steven Gerst; John Barrett; Michael Cronin; Derek Turnbull; Jason Bodnick
- Inventors: Irwin Gross; Michael G. Smith; Mark Khachaturian; Martin Crawley; Steven Gerst; John Barrett; Michael Cronin; Derek Turnbull; Jason Bodnick
- Web page: https://patentgrep.com/patent/US9775518B2

## CPC

- A61B 5/0008: {Temperature signals}
- A61B 5/0013: {Medical image data (A61B1/00011, A61B6/56, A61B8/56 take precedence)}
- A61B 5/0022: {Monitoring a patient using a global network, e.g. telephone networks, internet}
- A61B 5/0059: {using light, e.g. diagnosis by transillumination, diascopy, fluorescence (photoacoustic A61B5/0093; optical measurement of heart rate A61B5/02416; optical measurement of blood flow A61B5/0261; optical measurement of analytes A61B5/1455)}
- A61B 5/0075: {by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy (A61B5/0071 takes precedence)}
- A61B 5/0077: {Devices for viewing the surface of the body, e.g. camera, magnifying lens}
- A61B 5/01: Measuring temperature of body parts {; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue} (clinical contact thermometers G01K13/20)
- A61B 5/015: {By temperature mapping of body part}
- A61B 5/02055: {Simultaneously evaluating both cardiovascular condition and temperature}
- A61B 5/021: Measuring pressure in heart or blood vessels
- A61B 5/02433: {for infrared radiation}
- A61B 5/0261: {using optical means, e.g. infrared light}
- A61B 5/03: Measuring fluid pressure within the body other than blood pressure, e.g. cerebral pressure {; Measuring pressure in body tissues or organs (determining bladder or urethral pressure A61B5/205)}
- A61B 5/08: Measuring devices for evaluating the respiratory organs
- A61B 5/318: Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B 5/441: {Skin evaluation, e.g. for skin disorder diagnosis}
- A61B 5/6887: {mounted on external non-worn devices, e.g. non-medical devices}
- A61B 5/6898: {Portable consumer electronic devices, e.g. music players, telephones, tablet computers}
- A61B 5/7225: {Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation (input circuits for detecting, measuring, or recording bioelectric or biomagnetic signals A61B5/30; specific diagnostic methods using bioelectric or biomagnetic signals A61B5/316)}
- A61B 5/725: {using specific filters therefor, e.g. Kalman or adaptive filters (specific diagnostics methods using using bioelectric or biomagnetic signals A61B5/316)}
- A61B 5/7264: {Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems}
- A61B 5/7271: {Specific aspects of physiological measurement analysis (specific diagnostics methods using bioelectric or biomagnetic signals A61B5/316)}
- A61B 5/7275: {Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor}
- A61B 5/7278: {Artificial waveform generation or derivation, e.g. synthesizing signals from measured signals}
- A61B 5/7425: {Displaying combinations of multiple images regardless of image source, e.g. displaying a reference anatomical image with a live image}
- A61B 5/746: {Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms}
- A61B 5/7475: {User input or interface means, e.g. keyboard, pointing device, joystick}
- G01J 5/0025: {Living bodies (ear thermometers G01J5/0011; detecting, measuring or recording for diagnostic purposes A61B5/00)}
- G01J 5/025: {Interfacing a pyrometer to an external device or network; User interface}
- G01J 5/10: using electric radiation detectors
- G01K 13/223: {Infrared clinical thermometers, e.g. tympanic}
- G06F 18/23: Clustering techniques
- G06T 3/40: Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T 7/0012: {Biomedical image inspection}
- G06T 7/174: involving the use of two or more images
- G06T 7/269: using gradient-based methods
- G06T 7/90: Determination of colour characteristics
- G08B 5/36: using visible light sources
- G08B 21/182: {Level alarms, e.g. alarms responsive to variables exceeding a threshold}
- G08C 17/02: using a radio link
- G16H 10/60: for patient-specific data, e.g. for electronic patient records
- G16H 40/60: for the operation of medical equipment or devices
- G16H 40/63: for local operation
- G16H 40/67: for remote operation
- H04B 7/26: at least one of which is mobile
- H04L 12/4633: {Interconnection of networks using encapsulation techniques, e.g. tunneling}
- H04L 67/04: specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
- H04L 67/10: in which an application is distributed across nodes in the network (software deployment G06F8/60; multiprogramming arrangements G06F9/46)
- H04L 67/12: specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L 67/51: Discovery or management thereof, e.g. service location protocol [SLP] or web services
- H04L 67/53: using third party service providers
- H04L 67/535: {Tracking the activity of the user (network monitoring arrangements H04L43/00; recording of computer activity G06F11/34)}
- H04N 23/23: from thermal infrared radiation
- H04W 12/08: Access security
- H04W 48/08: Access restriction or access information delivery, e.g. discovery data delivery (signalling during connection H04W76/00)
- H04W 48/16: Discovering, processing access restriction or access information
- H04W 76/10: Connection setup
- H04W 76/11: Allocation or use of connection identifiers
- H04W 76/12: Setup of transport tunnels
- H04W 80/04: Network layer protocols, e.g. mobile IP [Internet Protocol]
- A61B 5/024: Measuring pulse rate or heart rate
- A61B 5/0245: by using sensing means generating electric signals, {i.e. ECG signals}
- A61B 5/742: {using visual displays (displays for heart-related electrical signals, e.g. ECG, A61B5/339)}
- A61B 2560/0214: of power generation or supply
- A61B 2560/0475: Special features of memory means, e.g. removable memory cards
- A61B 2562/166: the sensor is mounted on a specially adapted printed circuit board
- A61B 2576/00: Medical imaging apparatus involving image processing or analysis (A61B1/00009, A61B6/52 and A61B8/52 take precedence)
- G01J 2005/0077: {Imaging}
- G02B 13/14: for use with infrared or ultraviolet radiation ({G02B13/008, } G02B13/16 take precedence)
- G06T 2207/10048: Infrared image
- G06T 2207/20024: Filtering details
- G06T 2207/20132: Image cropping
- G06T 2207/30004: Biomedical image processing
- G06T 2207/30088: Skin; Dermal
- G06T 2207/30104: Vascular flow; Blood flow; Perfusion
- G06T 2210/22: Cropping
- G06T 2210/41: Medical
- H04N 25/76: Addressed sensors, e.g. MOS or CMOS sensors
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N)
- G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08C: TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D5/00; mechanical control systems G05G)
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)
- G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS

## Abstract

In one implementation, an apparatus estimates body core temperature from an infrared measurement of an external source point using a cubic relationship between the body core temperature and the measurement of an external source point is described, estimates temperature from a digital infrared sensor and determines vital signs from a solid-state image transducer, or determines vital signs from a solid-state image transducer and estimates body core temperature from an infrared measurement of an external source point using a cubic relationship between the body core temperature and the measurement of an external source point; after which the estimated and/or determined information is transmitted to an external database.

## Claims

### Claim 1

A device to measure a temperature of a human, the device comprising:
a microprocessor;
a battery operably coupled to the microprocessor;
a camera operably coupled to the microprocessor and providing at least two images to the microprocessor;
a digital infrared sensor operably coupled to the microprocessor, the digital infrared sensor having only digital readout ports, the digital infrared sensor having no analog sensor readout ports; and
a wireless communication subsystem that is operably coupled to the microprocessor and that is operable to transmit a representation of the temperature of the human,
wherein the microprocessor is operable to receive from the digital readout ports a digital signal that is representative of an infrared signal detected by the digital infrared sensor and the microprocessor is operable to determine the temperature of the human from the digital signal that is representative of the infrared signal and the microprocessor including a cropper that is operable to receive the at least two images and operable to crop the at least two images to exclude a border area of the images, generating at least two cropped images, the microprocessor also including a temporal-variation-amplifier of the at least two cropped images that is operable to generate a temporal variation of the at least two cropped images, the microprocessor also including a vital-sign generator that is operably coupled to the temporal-variation-amplifier that is operable to generate at least one vital sign from the temporal variation,
wherein the device does not support specific discovery protocols or domain name service.

### Claim 2 (depends on 1)

The device of claim 1, wherein the temporal-variation-amplifier further comprises:
skin-pixel-identifier.

### Claim 3 (depends on 1)

The device of claim 1, wherein the temporal-variation-amplifier further comprises:
a regional facial clusterial module.

### Claim 4 (depends on 1)

The device of claim 1, wherein the temporal-variation-amplifier further comprises:
a first frequency filter.

### Claim 5 (depends on 1)

The device of claim 1 further comprising:
a storage device that is operably coupled to the vital-sign generator and that is operable to store the at least one vital sign in a volatile memory.

### Claim 6 (depends on 1)

The device of claim 1 further comprising:
a storage device that is operably coupled to the vital-sign generator and that is operable to transmit the at least one vital sign to another apparatus.

### Claim 7 (depends on 1)

The device of claim 1 wherein the wireless communication subsystem transmits to a static Internet Protocol address in order to reduce Internet Protocol discovery burden on the device.

### Claim 8 (depends on 1)

The device of claim 1 wherein the wireless communication subsystem transmits through an Internet Protocol tunnel.

### Claim 9 (depends on 1)

The device of claim 1 wherein a connection is established and data is pushed from the device through the wireless communication subsystem, thereafter an external device controls flow of the data between the device and the external device, wherein the connection further comprises: an authenticated communication channel.

### Claim 10 (depends on 1)

The device of claim 1, the wireless communication subsystem is configured to operate on a specific segment of a network.

### Claim 11 (depends on 1)

The device of claim 1, wherein the wireless communication subsystem further comprises:
a component that is operable to transmit a representation of date and time, operator identification, patient identification and manufacturer, model number and firmware revision of the device.

### Claim 12 (depends on 1)

The device of claim 1 further comprising:
a single button operably coupled to the microprocessor.

### Claim 13 (depends on 1)

The device of claim 1 wherein the temperature of the human further comprises a body core temperature of the human and wherein determining the body core temperature of the human is based on a cubic relationship representing three thermal ranges between a numerical representation of electromagnetic energy of an external source point and the body core temperature of the human, wherein the cubic relationship includes a coefficient representative of different relationships between the external source point and the body core temperature of the human in the three thermal ranges.