# US 10,441,224 B2 · Systems and methods for adaptable presentation of sensor data

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- Number: US 10,441,224 B2
- Document ID: US10441224B2
- Status: Granted
- Kind: B2
- Application number: 16/060,178
- Filed: 2016-12-09
- Published: 2018-12-20
- Granted: 2019-10-15
- Earliest claimed: 2015-12-11
- Assignees: Valencell, Inc.
- Applicants: Valencell, Inc.
- Inventors: Steven Francis LeBoeuf; William M. Richey; Michael Edward Aumer
- Web page: https://patentgrep.com/patent/US10441224B2

## CPC

- A61B 5/7221: {Determining signal validity, reliability or quality (preventing, reducing or removing noise induced by motion artefacts A61B5/7207; noise originating from a therapeutic or surgical apparatus A61B5/7217)}
- A61B 5/0002: {Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network (endoradiosondes A61B5/07)}
- A61B 5/02108: {from analysis of pulse wave characteristics}
- A61B 5/022: by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
- A61B 5/0816: {Measuring devices for examining respiratory frequency (measuring frequency of electric signals G01R23/00)}
- A61B 5/14551: {for measuring blood gases}
- A61B 5/7282: {Event detection, e.g. detecting unique waveforms indicative of a medical condition (cough events A61B5/0823; seizures A61B5/4094; sleep apnoea A61B5/4818)}
- A61B 5/742: {using visual displays (displays for heart-related electrical signals, e.g. ECG, A61B5/339)}
- G16H 40/63: for local operation
- G16H 40/67: for remote operation
- A61B 5/02405: {Determining heart rate variability}
- A61B 5/02416: {using photoplethysmograph signals, e.g. generated by infrared radiation (A61B5/14552 takes precedence)}
- A61B 5/145: Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value {; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue} (non-radiation detecting or locating of foreign bodies in blood A61B5/06)
- A61B 2560/0242: adapted to measure environmental factors, e.g. temperature, pollution
- G16H 50/20: for computer-aided diagnosis, e.g. based on medical expert systems
- G16H 50/30: for calculating health indices; for individual health risk assessment
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA

## Abstract

A system includes a sensor configured to sense physiological information from a subject, and a signal processor configured to process signals from the sensor into a serial data stream of physiological information and sensor performance information. An electronic device having a display is configured to receive the serial data stream and display the physiological information simultaneously with the sensor performance information via the display.

## Claims

### Claim 1

A method of presenting data from a sensor that is monitoring a subject and/or an environment in a vicinity of the subject, wherein the sensor is in communication with at least one processor, the method comprising:
obtaining a sensor metric from the sensor, wherein the sensor metric comprises an identifier of a type of measurement performed by the sensor and a value of the measurement; and
producing, via the at least one processor, a serial data stream comprising the sensor metric, dynamically updated integrity information about the sensor metric, and statistical information about the sensor metric, wherein the dynamically updated sensor metric integrity information is generated in real time by an algorithm executed by the at least one processor to measure a signal-to-noise (S/N) ratio of the sensor metric,
transmitting the serial data stream to an electronic device via a communication protocol, wherein the serial data stream is configured such that a program operating on the electronic device can display the sensor metric with the dynamically updated sensor metric integrity information and the sensor metric statistical information via a display associated with the electronic device,
wherein the communication protocol comprises a plurality of sensor events, and
wherein a sensor event of the plurality of sensor events comprises the sensor metric and the dynamically updated integrity information about the sensor metric.

### Claim 2 (depends on 1)

The method of claim 1, wherein the sensor metric statistical information comprises information about accuracy of the sensor.

### Claim 3 (depends on 1)

The method of claim 1, wherein the sensor metric statistical information comprises at least one probability distribution curve.

### Claim 4 (depends on 1)

The method of claim 1, wherein the sensor and the at least one processor are in wireless communication with the electronic device, and
wherein the serial data stream is transmitted wirelessly to the electronic device.

### Claim 5 (depends on 1)

The method of claim 1, wherein the sensor metric statistical information is obtained from the sensor.

### Claim 6 (depends on 1)

The method of claim 1, wherein the sensor event further comprises the statistical information about the sensor metric.

### Claim 7 (depends on 6)

The method of claim 6, wherein the statistical information about the sensor metric comprises a function selector and a function parameter, the function selector comprising an identification of a statistical distribution function from a plurality of statistical distribution functions.

### Claim 8 (depends on 1)

The method of claim 1, wherein an additional sensor event of the plurality of sensor events comprises the statistical information about the sensor metric, and wherein the statistical information about the sensor metric comprises a function selector and a function parameter, the function selector comprising an identification of a statistical distribution function from a plurality of statistical distribution functions.

### Claim 9

A method of presenting physiological information, the method comprising:
receiving sensor data at an electronic device from a remote physiological sensor that is in communication with the electronic device, wherein the sensor data is in the form of a serial data stream that comprises a sensor metric, dynamically updated integrity information about the sensor metric, and statistical information about the sensor metric, wherein the sensor metric comprises an identifier of a type of measurement performed by the sensor and a value of the measurement, wherein the dynamically updated sensor metric integrity information is generated in real time by the remote physiological sensor; and
displaying the sensor metric with the dynamically updated sensor metric integrity information and the sensor metric statistical information via a display of the electronic device,
wherein the serial data stream is received via a communication protocol comprising a series of sensor events from the remote physiological sensor, and
wherein at least one of the sensor events comprises the sensor metric and the dynamically updated integrity information about the sensor metric.

### Claim 10 (depends on 9)

The method of claim 9, wherein the sensor metric statistical information comprises information about accuracy of the physiological sensor.

### Claim 11 (depends on 9)

The method of claim 9, wherein the sensor metric statistical information comprises at least one probability distribution curve.

### Claim 12 (depends on 9)

The method of claim 9, wherein receiving sensor data from the physiological sensor comprises wirelessly receiving the sensor data.

### Claim 13 (depends on 9)

The method of claim 9, wherein the sensor metric statistical information is obtained from the physiological sensor.

### Claim 14

A system, comprising:
a sensor configured to sense physiological information from a subject; and
at least one signal processor configured to process signals from the sensor into a serial data stream comprising a sensor metric, dynamically updated integrity information about the sensor metric, and statistical information about the sensor metric, wherein the dynamically updated sensor metric integrity information is generated in real time by an algorithm executed by the at least one signal processor to measure a signal-to-noise (S/N) ratio of the sensor metric, wherein the sensor metric comprises an identifier of a type of physiological measurement performed by the sensor and a value of the measurement,
wherein the processor is further configured to communicate the serial data stream via a communication protocol comprising a series of sensor events, and
wherein at least one of the sensor events comprises the sensor metric and the dynamically updated integrity information about the sensor metric.

### Claim 15 (depends on 14)

The system of claim 14, further comprising an electronic device having a display, and wherein the electronic device is configured to receive the serial data stream from the at least one signal processor and display the sensor metric with the sensor metric integrity information and the sensor metric statistical information via the display.

### Claim 16 (depends on 15)

The system of claim 15, wherein the electronic device is configured to display the sensor metric statistical information as at least one probability distribution curve.

### Claim 17 (depends on 15)

The system of claim 15, wherein the electronic device is configured to receive the serial data stream from the at least one signal processor wirelessly.

### Claim 18 (depends on 14)

The system of claim 14, wherein the sensor metric statistical information comprises information about accuracy of the physiological sensor.

### Claim 19

A system, comprising:
a sensor configured to sense environmental information; and
at least one signal processor configured to process signals from the sensor into a serial data stream comprising a sensor metric, dynamically updated integrity information about the sensor metric, and statistical information about the sensor metric, wherein the dynamically updated sensor metric integrity information is generated in real time by an algorithm executed by the at least one signal processor to measure a signal-to-noise (S/N) ratio of the sensor metric, wherein the sensor metric comprises an identifier of a type of environmental measurement performed by the sensor and a value of the measurement,
wherein the processor is further configured to communicate the serial data stream via a communication protocol comprising a series of sensor events, and
wherein at least one of the sensor events comprises the sensor metric and the dynamically updated integrity information about the sensor metric.

### Claim 20 (depends on 19)

The system of claim 19, further comprising an electronic device having a display, and wherein the electronic device is configured to receive the serial data stream and display the sensor metric with the sensor metric integrity information and the sensor metric statistical information via the display.
