# US 11,109,817 B2 · Systems and methods for measuring physiological parameters > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,109,817 B2 - Document ID: US11109817B2 - Status: Granted - Kind: B2 - Application number: 16/265,953 - Filed: 2019-02-01 - Published: 2019-06-06 - Granted: 2021-09-07 - Earliest claimed: 2017-04-20 - Assignees: Gmeci, LLC - Applicants: Gmeci, LLC - Inventors: Bradford R Everman; Brian Scott Bradke - Web page: https://patentgrep.com/patent/US11109817B2 ## CPC - A61B 5/746: {Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms} - A61B 5/0205: Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition - A61B 5/14552: {Details of sensors specially adapted therefor} - A61B 5/486: {Biofeedback (using electroencephalography [EEG] A61B5/375)} - A61B 5/6803: {Head-worn items, e.g. helmets, masks, headphones or goggles} - A61B 5/6814: {Head} - A61B 5/6822: {Neck} - G08B 21/0453: {worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing (detecting, measuring or recording for diagnostic purposes A61B5/00)} - G09B 9/08: for teaching control of aircraft, e.g. Link trainer - G09B 9/10: with simulated flight- or engine-generated force being applied to aircraft occupant (G09B9/28 takes precedence) - G09B 19/00: Teaching not covered by other main groups of this subclass (teaching or practice apparatus for gun-aiming or gun-laying F41G3/26) - G09B 23/28: for medicine - A61B 5/02416: {using photoplethysmograph signals, e.g. generated by infrared radiation (A61B5/14552 takes precedence)} - A61B 2560/0257: using atmospheric pressure - A61B 2562/0219: Inertial sensors, e.g. accelerometers, gyroscopes, tilt switches - G08B 21/18: Status alarms (G08B21/02 takes precedence) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - G09B: EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS (devices for psychotechnics or for testing reaction times A61B5/16; games, sports, amusements A63; projectors, projector screens G03B) ## Abstract A device for detecting physiological parameters is used to detect a degree of user hypoxemia in response to flight conditions; degree of hypoxemia may be used automatically to modify actions by a training device such as a reduced oxygen breathing device or centrifuge and generate feedback or modifications to training profiles for future use. Machine learning processes may be combined with sensor activity to discover relationships between maneuvers, environmental conditions, physiological parameters, and degrees of impairment to develop optimal flight or training plans. ## Claims ### Claim 1 A device for training pilots using physiological sensor feedback for flight circumstances that cause hypoxemia, the device comprising: a housing configured to be mounted to an exterior body surface of a user; at least a physiological sensor attached to the housing and configured to detect at least a physiological parameter associated with hypoxemia; and a training and feedback processor in communication with the at least a physiological sensor, the training and feedback processor designed and configured to: detect at least a flight condition having a causative association with hypoxemia; measure, using the at least a physiological sensor, at least a physiological parameter associated with hypoxemia; determine, by the training and feedback processor, and based on the at least a physiological parameter, a degree of pilot hypoxemia; determine a training goal associated with hypoxemia; and generate a pilot-specific flight guideline based upon the degree of pilot hypoxemia and the training goal associated with hypoxemia; and a user signaling device in communication with the training and feedback processor, the user signaling device configured to indicate the degree of pilot hypoxemia to at least a user. ### Claim 2 (depends on 1) The device of claim 1, wherein the at least a physiological sensor further comprises a heart-rate sensor. ### Claim 3 (depends on 1) The device of claim 1, wherein the at least a physiological sensor further comprises a blood oxygen sensor. ### Claim 4 (depends on 1) The device of claim 1, wherein the at least a physiological sensor is configured to detect at least a hematological parameter of at least a branch of a carotid artery. ### Claim 5 (depends on 4) The device of claim 4, wherein the housing is further configured to place the at least a physiological sensor in proximity to the at least a branch of the carotid artery. ### Claim 6 (depends on 1) The device of claim 1 further comprising at least an environmental sensor. ### Claim 7 (depends on 6) The device of claim 6, wherein the at least an environmental sensor includes at least a motion sensor. ### Claim 8 (depends on 6) The device of claim 6, wherein the at least an environmental sensor includes at least atmospheric oxygen sensor. ### Claim 9 (depends on 6) The device of claim 6, wherein the at least an environmental sensor includes at least a barometric sensor. ### Claim 10 A method of training pilots using physiological sensor feedback for flight circumstances that cause hypoxemia, the method comprising: mounting a device for physiological sensor feedback to a user, wherein the device further comprises a housing, at least a physiological sensor attached to the housing and configured to detect at least a physiological parameter associated with hypoxemia, and a training and feedback processor in communication with the at least a physiological sensor; detecting, by the training and feedback processor, at least a flight condition having a causative association with hypoxemia; measuring, using the at least a physiological sensor at least a physiological parameter associated with hypoxemia; determining, by the training and feedback processor, and based on the at least a physiological parameter, a degree of pilot hypoxemia; determining, by the training and feedback processor, a training goal associated with hypoxemia; generating a pilot-specific flight guideline based upon the degree of pilot hypoxemia and the training goal associated with hypoxemia; and indicating, using a user signaling device, the degree of pilot hypoxemia to at least a user. ### Claim 11 (depends on 10) The method of claim 10, wherein detection of the at least a flight condition further comprises receiving, from a flight condition generating device, data indicating a flight condition. ### Claim 12 (depends on 10) The method of claim 10, wherein detection includes detection of the at least a flight condition using at least an environmental sensor. ### Claim 13 (depends on 10) The method of claim 10, wherein: measuring includes measuring at least a hematological parameter; and determining further comprises determining the at least a hematological parameter is associated with the degree of pilot hypoxemia. ### Claim 14 (depends on 13) The method of claim 13, wherein the at least a hematological parameter further comprises a heart rate. ### Claim 15 (depends on 10) The method of claim 10 wherein: measuring includes measuring a blood oxygen level; and determining further comprises determining that the blood oxygen level is associated with the degree of pilot hypoxemia. ### Claim 16 (depends on 15) The method of claim 15, wherein: measuring further comprises measuring a heart rate; and determination further comprises determining that a combination of blood oxygen level and heart rate is associated with the degree of pilot hypoxemia. ### Claim 17 (depends on 10) The method of claim 10, wherein the degree of pilot hypoxemia further comprises a non-impairing degree of hypoxemia. ### Claim 18 (depends on 10) The method of claim 10, wherein the degree of pilot hypoxemia further comprises an impairing degree of hypoxemia. ### Claim 19 (depends on 10) The method of claim 10, wherein the degree of pilot hypoxemia further comprises a degree of hypoxia associated with an imminent loss of consciousness. ### Claim 20 (depends on 10) The method of claim 10, wherein the training goal is further associated with a duration of hypoxemia and wherein pilot-specific flight guideline is generated further based upon the duration of hypoxemia.