IP Library › Granted Patent US 12,551,142
Granted Patent B2
US 12,551,142 · App. 17/751,207 · Granted Feb 17, 2026

Noninvasive device for monitor, detection, and diagnosis of diseases and human performance

Inventor: Xiaonao Liu (Frederick, MD)
Assignee: TAO TREASURES, LLC
A61B5/14546A61B5/0008A61B5/01A61B5/02055A61B5/7264
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Quick Facts
Patent No.
US 12,551,142
App. No.
17/751,207
Granted
Feb 17, 2026
Kind
B2
Abstract

A device for monitoring one or more health conditions of a subject in need thereof has a plurality of sensor arrays adapted to detect, from a skin surface of the subject, a plurality of volatile organic compounds (VOCs), one or more vital signs, or both, and to generate electrical signals; one or more processors for processing the electrical signals from the plurality of sensors, generating data, and diagnosing one or more health conditions of the subject by correlating the generated data with the one or more health conditions; an interface for outputting data and/or receiving input commands; and a fixing member for placing the device to the skin surface of the subject.

Claims (33)

1 . A device for monitoring one or more health conditions of a subject in need thereof, comprising:

a housing,

a plurality of sensor arrays, a pressure sensor, a fan having a standby mode and a work mode,

and one or more processors disposed in the housing,

wherein:

the plurality of sensor arrays comprises one or more VOC sensors adapted to change one or more properties selected from resistance, impedance, and a combination thereof, upon exposure to a plurality of volatile organic compounds (VOCs) emitted from a skin surface of the subject, and to generate electrical signals corresponding to the changes in the one or more properties;

the one or more processors are configured to process the electrical signals from the plurality of sensors, generating data, and diagnosing one or more health conditions of the subject by correlating the generated data with the one or more health conditions;

the housing has an inlet in the form of one or more openings, each of the one or more openings is connected to at least one of the plurality of sensor arrays through a conduit;

an interface for outputting data and/or receiving input commands;

a fixing member installed at an inlet of the device for placing the device to the skin surface of the subject, wherein the fixing member has a shape of a cup configured to enclose a portion of the skin surface of the subject; and

during operation, the pressure sensor detects a pressure change and causes the fan to switch between the work mode and the standby mode.

2 . The device according to claim 1 , wherein the one or more VOCs is selected from aldehydes, alcohols, ketones, acids, Sulphur containing compounds, esters, hydrocarbons and nitrogen containing compounds, propene, acetaldehyde, ethanol, acetonitrile, (E)-2-Butene, (Z)-2-butene, 2-propenal, n-propanal, Acetone, 2-propanol, dimethyl sulfide, 1-pentene, isoprene, n-Pentane, 1,3-Dioxolane, 2-methyl-2-propenal, 2-methyl-Propanal, 3-Buten-2-one, 2-methyl Furan, n-Butanal, 2-Butanone, 3-methyl Furan, Ethyl Acetate, 2-Butenal, 2-methyl-1,3-Dioxolane, 2-methyl-2-Pentene, 2,3-dimethyl-2-Butene, (E)-2-Methyl-1,3-pentadiene, (Z)-2-Methyl-1,3-pentadiene, 3-methyl-Butanal, 2-methyl-Butanal, Isopropyl acetate, 2-Pentanone, 2,5-dimethyl Furan, allyl methyl Sulfide, n-Pentanal, 3-methyl-2-Butenal, 1-Heptene, 2-Heptene, n-Heptane, 2-ethyl-Butanal, 4-Methyl-3-penten-2-one, Isobutyl acetate, 2-Hexanone, n-Hexanal, gamma-Butyrolactone, n-Butyl acetate, (E)-2-Hexenal, 1-Octene, n-Octane, 2-Heptanone, n-Heptanal, Benzaldehyde, 1-Nonene, n-Nonane, 6-Methyl-5-hepten-2-one, 2-pentyl-Furan, b-Pinene, n-Octanal, p-Cymene, DL-Limonene, Styrene, Eucalyptol, n-Nonanal, 2-Ethylhexanol, 3-Methylhexane, Butyraldehyde, Ethylbenzene, Ethyl butanoate, toluene, undecane, H2O, CO, NO, N2O, NO2, ammonia, Acetophenone, 4-methylphenol, Dodecane, Dimethyl pyrazine, 2-Pentanol, 2-butanol, 2-pentene, 2-methylbutyl isobutyrate, 2-methoxy-5-methylthiophene, amyl isovalerate; 2-methylbutyl 2-methylbutyrate, 6-tridecane, 3-methyl 1H-pyrrole, 2-methyl-3-(2-propenyl)-pyrazine, 2,3-dimethyl-5-isopentylpyrazine, Methyl thiolacetate, Methyl thiocyanate, Hydrogen cyanide, 2-aminoacetophenone, 1-undecene, Formaldehyde, Dimethyl ether, carbon dioxide, pentafluoropropionamide, Methyl cyclohexane, 2-methylbutanol, N-propyl acetate, Butanal, 2,5-dimethyltetrahydrofuran, Carbon disulfide, methyl propanoate, methyl butanoate, 6-methyl-5-hepten-2-one, 2,5-dimethylpyrazine, Hydrogen sulfide, Propanol, Indole, 1,1,2,2-tetrachloroethane, Butanol, 2-tridecenone, 3-hydroxy-2-butanone, 1-hydroxy-2-propanone, 3-nitro-benzenesulfonic acid, Isobutyric acid, methyl ester, 1,2-dimethyl-benzene, 2-ethyl-1-hexanol, Isopentyl 3-methylbutanoate, 2,4-dinitro-benzenesulfonic acid, Decanal, 2-methyl-1-propanol, 2-phenylethanol, 1,4-dichlorobenzene, 2-methylbutanoic acid, methyl mercaptan, 2-nonanone, 3-methyl-1-butanol, 3-methylbutanoic acid, dimethyl trisulfide, dimethyl disulfide, and acetic acid.

3 . The device according to claim 1 , wherein the one or more VOCs has a concentration range selected from 0.1 ppb-1 ppb, 1 ppb-5 ppb, 5 ppb-10 ppb, 10 ppb-50 ppb, 50 ppb-100 ppb, 100 ppb-200 ppb, 200 ppb-300 ppb, 300 ppb-500 ppb, 500 ppb-1 ppm, 1 ppm-2 ppm, 2 ppm-5 ppm, 5 ppm-10 ppm, 10 ppm-100 ppm, 100 ppm-200 ppm, 200 ppm-500 ppm, 500 ppm-1000 ppm, 1000 ppm-2000 ppm, and 2000 ppm-5000 ppm.

4 . The device according to claim 1 , wherein one or more of the plurality of sensor arrays further comprises a plurality of physiological sensors, each physiological sensor is adapted to detect at least one parameter selected from heart rate, pulse rate, respiratory rate, blood oxygen saturation, blood pressure, hydration level, stress, position & balance, body strain, neurological functioning, brain activity, blood pressure, cranial pressure, auscultatory information, skin and body temperature, eye muscle movement, sleep, cholesterol, lipids, blood panel, body fat density, and muscle density.

5 . The device according to claim 1 , wherein the interface comprises a WiFi card, a Bluetooth card, or a USB card.

6 . The device according to claim 1 , wherein the interface comprises a display having a touch screen adapted to receive manual input from a user.

7 . The device according to claim 1 , wherein the fixing member is selected from armband, wound dressing, sleeve, jacket, eye wear, goggle, glove, watch, wristband, bracelet, nose ring, ear bud, earphone, article of clothing, hat, headband, headset, bra, jewelry, patch, and adhesive tape.

8 . The device according to claim 1 , wherein the one or more health conditions are selected from bacterial infections, inflammatory disorders, Pancreatitis, Pneumonia, Sepsis/Septic shock, hypoxia, flu, asthma, COVID-19, virus, Fungi, bacteria, Hypoglycemia, diabetes, cancer, Melanoma in skin cancer, colorectal cancer, lung cancer, bladder cancer, breast cancer, colon cancer, head and neck cancer, ovarian cancer, prostate cancer, kidney cancer, gastric cancer, uterine cancer, liver cancer, Endocrine and Metabolic disease, Addison's Disease, Hyperaldosteronism, Hyperlipidemia, Gastrointestinal and Hepatic disease, Crohn's disease, Nonalcoholic steatohepatitis Peptic ulcer disease, Neurologic disease, Seizure, Sleep apnea, Psychiatric disease, Alzheimer's disease, Autism spectrum disorder, ulcerative colitis, irritable bowel syndrome, metabolic disorder, multiple sclerosis, pulmonary arterial hypertension, pre-eclampsia, chronic kidney disease, Epileptic patients, Parkinson's disease, idiopathic Parkinson's, atypical Parkinsonism, hyper/hypo glycaemia, ketone, fat burning, human performance, and ketoacidosis.

9 . The device of claim 1 , wherein, during operation, at least one of the one or more processors generate data by executing a method selected from Naïve Bayes, principal component analysis (PCA), support vector machine (SVM), multi-layer perception (MLP), generalized regression neural network (GRNN), fuzzy inference systems (FIS), self-organizing map (SOM), radial bias function (RBF), genetic algorithms (GAS), neuro-fuzzy systems (NFS), adaptive resonance theory (ART), partial least squares (PLS), multiple linear regression (MLR), principal component regression (PCR), discriminant function analysis (DFA), linear discriminant analysis (LDA), cluster analysis, and nearest neighbor.

10 . The device of claim 1 , wherein, during operation, at least one of the one or more processors executes an algorithm using the generated data as an input and obtains an output that correlates to one health condition.

11 . The device of claim 10 , wherein, during operation, the at least one of the one or more processors further comprises a memory that stores an executable program for processing the electrical signals from the plurality of sensors.

12 . The device of claim 1 , wherein each of the sensor array comprises 2 to 32 sensors.

13 . The device of claim 1 , wherein the one or more openings are covered by a membrane that is waterproof, breathable, or both.

14 . A method for diagnosing one or more health conditions of a subject in needed thereof, comprising:

attaching the device of claim 4 to a skin surface of the subject;

obtaining data corresponding to VOCs, vital signs, or both of the subject; and

correlating the data with one or more health conditions.

15 . The method according to claim 14 , further comprising displaying the data on the interface of the device.

16 . The method according to claim 14 , further comprising: transmitting the obtained data to a computer for storage or for further processing.

17 . A system for monitoring one or more health conditions of a subject in need thereof, comprising:

the device of claim 1 physically, electrically, and/or signally connected to a host device,

wherein the host device is selected from wearable device, wearable watch, wearable band, glucose patch, wearable clothing, wearable jewelry, head-mounted display, smart ring, smart glasses, smart card, smart shoe, e-textile, smart connected products, wearable computer, healthcare device, medical device, hospital stretcher, defibrillator, anesthesia machine, patient monitor, sterilizer, Electrocardiogram machine, surgical table, blanket and fluid warmer, electrosurgical unit, bandage, heating pad, prosthetic device, artificial arm, artificial leg, orthotic device, leg brace, shoe insert, wound dressing system, transparent films dressing, foams dressing, hydrocolloids dressing, alginates dressing, composites dressing, cloth dressing, antimicrobial dressings, low adherent dressings, semipermeable films dressing, gauze sponge dressing, gauze bandage dressing, non-adherent pads, non-adherent wet dressings, calcium alginates dressing, hydrogel dressing, hypothermia bag, gas chromatography (GC), mass spectrometry, gas chromatography-mass spectrometry (GC-MS), infrared spectroscopy, and a combination thereof.

18 . The system of claim 17 , wherein the device is signally connected using a wireless communication protocol and/or is electrically connected by plugging into a power source in the host device.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2022
From: LIU, XIAONAO
To: TAO TREASURES, LLC DBA NANOBIOFAB
Reel/Frame 059996/0338 →
Continuity (4)
Provisional Application 63269151 · Mar 10, 2022
Provisional Application 63192006 · May 22, 2021
Provisional Application 63192005 · May 22, 2021
Related Publication 20220369965A1 · Nov 24, 2022
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