31 results about "Late apnea" patented technology

The present invention relates to a method of analyzing a subject for excessive daytime sleepiness, and more particularly to a quick (short duration), quantitative method of analyzing a subject for sleep apnea. The present invention additionally relates a device for use in detecting excessive daytime sleepiness (EDS) and another device for detecting sleep apnea. One embodiment of the present invention includes a method of screening for sleep apnea comprising of measuring EEG signals from a subject to determine sleep onset time(s) over a measurement period, as well as measuring and analyzing respirations of the subject to determine variability of the subject's respiration about the sleep onset time(s). A determination about whether the subject has sleep apnea will be based in part on the variability of the subject's respirations about the sleep onset time(s).

A non-intrusive and quantitative method and apparatus for diagnosing sleep apnea and detecting apnea events by monitoring during sleep abdominal effort and thoracic effort, determining the phase of each effort, determining the difference in phase between each type of effort, and then determining the rate of phase angle change and standard deviation over time. Also provided may be treatment when apnea events are detected to trigger therapy apparatus such as airway positive pressure apparatus.

The invention relates to an obstructive sleep apnea-hypopnea syndrome (OSAHS) screening method and a device. Formant characteristics of snore are adopted as technical indexes for screening OSAHS; Snore sections are extracted by a short-time energy method at first, then LPC (linear predictive coding) is used for modeling, after predicting factors of the LPC are obtained, a first formant frequency of each snore section is obtained by a root extraction method, as ranges of formant frequencies of different modes are different, the different snore sections can be distinguished, all first formant frequencies of all snorers are classified, by the aid of K mean values, and thresholds for distinguishing normal snore and abnormal snore of individuals are determined according to classified results; and then AHI (apnea-hypopnea indexes) in a PSG (polysomnogram) are simulated so that average times of apnea and hypopnea of the snorers within an hour are obtained. According to the OSAHS judgment standard, whether the data section has snore of a normal person or snore of a patient with the OSAHS is judged. The obstruction sleep apnea-hypopnea syndrome screening method and the device are low in cost, high in applicability and simple in operation and are non-contacting.

The present invention relates to methods and apparatuses for detecting sleep apnea by analyzing characteristic physiological oscillations of the heart rate variability (HRV). Starting from recorded ECG data of the patient, for example, as a long-term sequence of the changing RR intervals, the heart rate variability is examined using autocorrelation calculations for the occurrence of rhythmic oscillations of various frequencies. If oscillations typical for apnea occur having very long period durations in the range of 20 to 80 seconds, these are detected as a maximum of the autocorrelation function. If a pathological sleep apnea accordingly exists, individual apnea events may be identified by prompt analysis of short recorded RR sequences, e.g., in the minute interval.

A device is disclosed that can predict an onset of an apnea or disordered breathing in a patient. The device can include a number of contacts adapted to make contact with the patient's tongue, and a control circuit configured to receive a first signal from the number of contacts, and predict an onset of an apnea or disordered breathing in the patient based, at least in part, on one or more characteristics of the first signal at a first time.

An apparatus for diagnosing sleep apnea, which detects a temporary cessation of breathing during sleep by applying light to a part of a subject's body and processing light output therefrom, includes a light source unit for sequentially generating light of at least two different wavelengths according to a control signal, a photodetecting unit for detecting the light, which are generated by the light source unit and applied to the body part, and for converting the detected light signals into electric signals, a diagnosis unit for substantially removing a time delay between the electric signals output from the photodetecting unit, for calculating a ratio between the electric signals, and for comparing the ratio with a predetermined reference value to diagnose sleep apnea, and a controller for outputting the control signal to the light source unit to generate the light signals, and for providing the predetermined reference value to the diagnosis unit.

A belt made of a substantially non-elastic, flexible material with a buckle assembly having a sensor to sense breathing by means of the movement of the abdomen, an evaluator to use the information from the sensor to determine the occurrence of an apnea event, a vibrator motor to stimulate the wearer when an apnea event occurs, an alarm unit to alert people around the wearer should the wearer not respond to the stimuli from the vibrator motor, a rechargeable battery to power the electrical/electronics units and a data transfer port to transfer data from the evaluator to a display console. The display console is a stand-alone unit that receives data from the evaluator and displays the time of each apnea event that occurred.

The present invention is an apnea monitor giving alarm when apnea occurs. It uses new designed gas flow sensor and gas differential flow sensor to detect actual airflow from patients nose and mouth. The gas flow sensor and gas differential flow sensor are evolved from a galvanometer utilizing it's structure for sensitivity. The apnea monitor measures the change of chest volume to detect breathing by a conductive rubber string. The apnea monitor also detects the frequency of baby's movement to predict possible apnea.

The invention discloses a sleep apnea hypopnea syndrome detection system and method. The system includes a data acquisition device (100) and an analysis processing device (200); the data acquisition device (100) comprises an electrocardiosignal acquisition unit (110) and a blood oxygen signal acquisition unit (120) which are used for acquiring electrocardiosignals and blood oxygen signals of the human body respectively; the analysis processing device (200) comprises a calculation unit (210) which is used for extracting respiration signals from the electrocardiosignals, identifying the apnea and hypopnea states in real time according to the respiration signals and the blood oxygen signals, calculating the apnea hypopnea index and analyzing the sleep state of the human body to obtain an analysis result. The system has the advantages of being easy to operate, convenient to wear, good in comfort and high in real-time performance.

The invention discloses a non-invasive long-term apnea syndrome monitoring device. A sensor array generates a resistance change signal and transmits the resistance change signal to an acquisition circuit; the acquisition circuit transmits the resistance change signal to a preprocessing circuit; the preprocessing circuit carries out noise filtering on the resistance change signal and then transmitsthe resistance change signal to a microprocessor; an acceleration sensor module collects a turning-over body moving signal and transmits the turning-over body moving signal to the microprocessor; themicroprocessor separates respiration and heartbeat signals in the resistance change signal to obtain a respiration category and a heartbeat frequency and transmits the respiration category and the heartbeat frequency to a cloud platform; the cloud platform judges the sleep depth of a person on the bed within a period of time according to the respiration category, records the time period of apneasyndrome, and draws a sleep quality time diagram according to the number of times and frequency of turning-over and the heartbeat frequency. According to the monitoring device, influence-free heart rate and respiration frequency monitoring can be carried out on the human body, the turning-over frequency of a sleeper can be acquired, and analysis data of sleep quality and the apnea syndrome can beprovided for doctors or monitors.

The invention relates to an early warning detection system for sleep apnea sudden death. The system is characterized by comprising a pulse blood oxygen signal collecting device, a data processor and adisplay and transmitting device. According to the invention, a sudden death risk level is judged by monitoring changes of pulse and the value of blood oxygen saturation degree of a patient in sleeping all night and performing analysis and comparison with a sudden death risk module built in the data processor, sleeping monitoring information containing the judgement result of the sudden death risklevel is transmitted to the display and transmitting device for display, alarm signals and warning sounds are sent out when a sudden death high risk is monitored, and the display and transmitting device can transmit the sleeping monitoring information to a computer, a mobile phone, a cloud or other associated equipment, so as to realize instant sudden death risk early warning and alarm. The invention provides a practical and effective early warning detection system for prevention of the occurrence of sudden death in sleeping of patients with sleep apnea syndrome.

The invention discloses equipment, system and method based on the heart rate detection obstructive sleep apnea syndrome, wherein the system comprises detection equipment and an intelligent terminal connected with the detection equipment through Bluetooth, wherein the detection equipment comprises an electrocardio front end processing module, an AD conversion module, an MCU, a Bluetooth module anda vibration motor; the electrocardio front end processing module is used for performing body surface electrocardio signal collection, conversion and filtering; the AD conversion module converts analogelectrocardio signals into digital signals and transmitting the digital signals into the MCU; the MCU is used for analyzing and processing the electrocardio signals, and calculating the real-time heart rate value; the Bluetooth module is used for being communicated with the intelligent terminal; the intelligent terminal is used for analyzing the obstructive sleep apnea occurrence condition; and the vibration motor is used for vibration warning. Only the human body electrocardio signals need to be collected; the heart rate value is obtained; and by analyzing the heart rate value by the methodprovided by the invention, the user obstructive sleep apnea condition can be obtained in real time. The equipment is small; the cost is low; and the wearing is convenient.

The method for diagnosing sleep apnea includes measuring concentrations of biomarkers in a patient's bodily sample. To determine whether a patient suffers from sleep apnea, or has a predisposition for developing sleep apnea, a sample from the patient is analyzed. If one or more of the following biomarker concentrations are found in the patient's sample, then the patient may be diagnosed as suffering from sleep apnea or having a predisposition for developing sleep apnea: between approximately 992.8 pg/mL and approximately 1309.6 pg/mL of adipsin; between approximately 1,640 pg/mL and approximately 2,900 pg/mL of betatrophin; between approximately 8,090.82 pg/mL and approximately 11,829.07 pg/mL of brain-derived neurotrophic factor (BDNF); between approximately 11.82 pg/mL and approximately 88.26 pg/mL of interleukin-13 (IL-13); between approximately 49.45 pg/mL and approximately 103.29 pg/mL of tumor necrosis factor-α (TNF-α); and between approximately 16.55 pg/mL and approximately 29.76 pg/mL of the protein encoded by Human DNAJC27.

The invention discloses a neonatal apnea rescue device which comprises a base. A fixed seat is fixedly mounted at the top of the base, a rotating seat is rotatably mounted on the fixed seat, a fixed block is fixedly mounted at the bottom of the rotating seat, a first motor groove is formed in the top of the base, an electric pushing rod is fixedly mounted in the first motor groove, an output shaftof the electric pushing rod is rotatably mounted on the fixed block, a placing seat is welded at the top of the rotating seat, a placing groove is formed in the top of the placing seat, and a slidinghole is formed in the inner wall of the bottom of the placing groove. The device is economical and practical and can automatically rescue a patient when the patient generates apnea, a back of the patient can be continually beaten, emotions of a neonatal patient can be kept stable by shaking, a chest of the patient can be repeatedly pressed, respiration of the neonatal patient can be rapidly recovered, labor intensity of medical staff is reduced, and each pressing strength can be effectively known, so that treatment is more convenient.

The invention discloses a severe sleep apnea syndrome treatment device for sleep. The device comprises a respirator, an airflow manifold, an airflow adjusting device, a first side fixing belt, a second side fixing belt, a rear fixing belt and a regulating valve, wherein the respirator comprises an air inlet valve, an air outlet valve, a respiratory monitor, an airflow valve and a sealing rubber ring, the lower end of the airflow manifold is in closed connection with the airflow valve of the respirator, the upper end of the airflow manifold is in connected with the airflow adjusting device, theairflow adjusting device comprises an air inlet port, a purifier, a pressure pump, a dry and wet regulator, an air outlet port, a power supply and a charging port, the first side fixing belt is connected to the right side face of the respirator, the second side fixing belt is connected to the left side face of the respirator, the rear fixing belt is connected to the rear side face of the airflowadjusting device, and the other ends of the first side fixing belt, second side fixing belt and rear fixing belt are movably connected with the regulating valve separately. In summary, the severe sleep apnea syndrome treatment device for the sleep has the advantages of being novel in structure, convenient to use, safe and efficient.

The invention discloses a sleep apnea curer, which comprises a volute. A helmet is arranged on one side of the volute, an opening is arranged from the helmet to a neck that you arrange, a mask is arranged on one side, which is corresponding to the helmet, of the volute, electrode plates are arranged at a front end in the volute in an up-down symmetric mode, the bottom of the volute is provided with a frequency converter which is electrically connected with the electrode plates, an insulating partition plate is arranged between the electrode plates and the mask, and the insulating partition plate is uniformly provided with filtration holes. The sleep apnea curer provided by the invention is ingenious in structural design and reasonable in arrangement, the curer utilizes the electrode platesto generate electric ions, promotes the conversion of negative oxygen ions in air effectively, leads the negative oxygen ions to enter the mask through a blower so as to be breathed by a human body during sleep, and thus treats sleep apnea disorders effectively; the curer is further provided with a magnetic treatment piece to promote the brain to keep a smooth state and is conducive to improvingsleep breathe disorders, in addition, the curer is provided with a biting block on the mask, and the biting block helps a patient open the mouth, thereby being conducive to avoiding apnea.