31 results about "Respiratory monitors" patented technology

An apparatus, such as a pressure support ventilator or respiratory monitor, provides operations for a patient, such a patient with heart failure, Chronic Obstructive Pulmonary Disease or other respiratory insufficiency. In some embodiments, the apparatus may detect a respiratory condition, such as a decompensation event and / or exacerbation event, from respiratory parameters. A clinical alert message may be transmitted or displayed for a physician based on the results of query presented to the patient in response to an analysis of the one or more respiratory parameters. In some embodiments, the apparatus generates a potential relapse indicator that may provide a prediction of a risk of an oncoming clinical event such as for evaluating whether to release the patient from a hospital.

The invention relates to an instrument which can monitor, record and analyze frequency, strength, and a time ratio of expiration to inspiration of respiratory movement of a human body, and has a function of an MP3 player. An oronasal airflow respiratory sensor (1) and an abdomen-thorax respiratory sensor (2) are adopted to respectively monitor respiratory airflow of an oronasal portion of the human body and respiratory monition change of the abdomen-thorax portion, so that respiratory data of the human body are comprehensively collected. The respiratory data are digitalized through an analog-digital (A / D) converter (3), a central processor (4) is taken as a core, so that functions, such as analyzing, storing, displaying and transmission, of the respiratory data and a respiratory suspended alarming function are achieved. The function of the MP3 player is added to relieve tension mood of a monitored person to a certain extent by playing of music, and objectivity of respiratory monitoring is improved. Wireless technology and internet technology are adopted to broaden use range of the respiratory monitor, and a patient can conduct self monitoring at home, and can be conveniently and rapidly contacted with a hospital and an emergency center.

A mobile medical device for monitoring a respiratory condition in a subject, the medical device including: a sensor configured to be adhered to the skin of a patient, the sensor configured to yield a resistance signal that is modulated by movements of a chest of a patient during respiration; a sensor attachment module configured to receive the signal from the sensor and to output data to a mobile electronic device an indication of an adverse respiratory event. Also disclosed is a server for integrating data collected from a plurality of the mobile medical devices and a crowd-sourced respiration advisory system including a plurality of the mobile medical devices and a server for integrating data collected by the mobile medical devices.

Devices and methods for monitoring physiologic parameters are described herein which may utilize a non-invasive respiratory monitor to detect minor variations in expiratory airflow pressure known as cardiogenic oscillations which are generated by changes in the pulmonary blood volume that correspond with the cardiac cycle. These cardiogenic oscillations are a direct indicator of cardiac function and may be used to correlate various physiologic parameters such as stroke volume, pulmonary artery pressure, etc.

A device for use with a respiratory monitor is disclosed that includes features for collecting and guiding a breath gas sample from a user. The device includes a breath intake structure connected to a handheld body structure. The breath intake structure may include one or more permeable membranes to filter particular substances, such as bacteria, viruses, and microbes, from the breath gas sample before it proceeds through the body structure. The device further includes one or more pre-conditioning elements that pretreats the breath gas sample before it enters a respiratory monitor. In some embodiments, the device may include a mouthpiece and body that are used to collect and guide a breath gas sample to a nitric oxide detection device. Moisture is removed from the breath gas sample using a desiccant loaded into a pre-conditioning cartridge. The mouthpiece may be removably connected to the body and disposable. Interchangeable pre-conditioning cartridges may allow use of different cartridges and different pre-conditioning materials with the device.

Provided is a high-accuracy respiratory monitor. A processor controls a wave generation circuit to generate alternating current signals with a certain frequency. After amplifying of a drive circuit and impedance matching, the alternating current signals drive an ultrasonic wave transmitting probe to transmit a length of ultrasonic wave. The time when the ultrasonic wave is transmitted is T0. The starting time of echo of the ultrasonic wave is determined by using a reversed-phase echolocation method. The time interval between the time when the ultrasonic wave receiving probe receives the signals and the time when the ultrasonic wave transmitting probe transmits the ultrasonic wave is t. Time offset delta t is measured according to experience. At present, the distance can be calculated through the following formula: L= (Tr-T0-delta t)*v / 2, wherein delta t is a fixed value and can be measured according to experience, and V is sound velocity.

A respiratory monitor is disclosed that includes features for conducting multiple pulmonary function tests in a single device and for detecting the presence of nitric oxide in exhaled breath. Also described is a mouthpiece that allows for separate inhalation and exhalation pathways and for filtering inhaled and exhaled breath for predetermined species prior to exhalation into the respiratory monitor. The monitor further allows for wired, wireless and network connectivity and for cloud-based systems for communicating and correlating pulmonary data as well as relevant environmental data and displaying the data for use by patients and health care professionals.

Systems and method are provided for monitoring a patient during surgery. An anesthetic machine includes a ventilator configured to provide breathable gas to a patient, an oxygen concentration sensor configured to monitor the concentration of oxygen in gas inhaled and exhaled by the patient, and a respiratory monitor configured to monitor a respiratory rate and a tidal volume of the patient. An uptake rate estimator is configured to estimate a pulmonary oxygen uptake rate (ViO2) for the patient from the concentration of oxygen in gas inhaled and exhaled by the patient and a minute volume of the patient. A risk score calculator is configured to determine a risk score for the patient at each interval as a function of the estimated ViO2 value. An output device is configured to provide the determined risk score to a human operator.

A respiratory monitoring apparatus (10) includes a central venous pressure sensor (24) configured to measure a central venous pressure (CVP) signal of a patient. At least one processor (32, 34, 36, 38, 40, 42, 44, 58) is programmed to process the CVP signal to generate respiratory information for the patient by operations including: segmenting the CVP signal based on detected breath intervals; calculating a surrogate muscle pressure signal from the segmented CVP signal; and filtering the surrogate muscle pressure signal to remove a cardiac activity component a cardiac activity component of the surrogate respiratory muscle pressure signal.

A system for simulating various clinical conditions which are detectable by a noninvasive respiratory monitor is provided. The simulated clinical conditions may be displayed on a noninvasive respiratory monitor to replicate a variety of disease states to provide training for a clinician. The system may include a pulse oximetry simulation device and / or a CO2 delivery system.

The invention discloses an analgesia control device which comprises an analgesia infusion pump, a medicine feeding device, a respiratory monitor and an infusion pipeline. Analgesia medicines are currently infused by the aid of an analgesia pump, so that pain of a cancer patient and a postoperative patient is relieved, serious adverse effects such as respiratory depression and reduction of blood oxygen saturation are generated, and a control device for analgesia is absent. In order to overcome the shortcomings of the prior art, the technical scheme includes that the pain can be effectively controlled by the aid of a constant-speed micro-infusion analgesia pump, and a respiratory state can be dynamically displayed by the aid of the respiratory monitor. When respiratory frequency is smaller than or equal to 8 times per minute and the blood oxygen saturation is reduced, a photoelectric blood oxygen saturation sensor is connected with a receiving processing circuit, an alarm circuit and a changeover switch in the monitor and linked with an electromagnetic valve, and automatic alarm and self-closing infusion safety control is realized. The analgesia control device is applicable to clinical application of cancer patients and postoperative pain patients.

The invention discloses a real-time measuring method of respiratory flow in working states, and relates to the technical field of respiratory monitoring. The method comprises the following steps: firstly, a quadratic function relationship between differential pressure values and the respiratory flow is obtained; secondly, coal miners wear respiratory monitors and work in different workplaces to measure the differential pressure values inside and outside respirators in different working states of the coal miners, and the differential pressure values are stored in a data storage instrument; andfinally, the data storage instrument is connected to a computer, and the respiratory flow is calculated according to the functional relationship between the pressure difference and the respiratory flow. According to the method, a pressure difference sensor is installed on each respirator to collect the pressure difference caused by respiration of the coal miners in the different working states inreal time, the respiratory flow of the workers in the on-site real-time working states is obtained according to the quadratic function relationship between the pressure difference and the respiratoryflow obtained by experiments, and the respiratory flow of the coal miners during work are accurately measured to provide basic parameters for the development of a test flow standard of mining respirators.

The invention discloses a rescue device for apnea neonatorum. The rescue device comprises a treatment cradle, wherein connecting columns are welded at two ends of the side face of the treatment cradle; supporting frames are connected to the connecting columns by bearings; a supporting column is arranged on the surface of the treatment cradle; a connecting hammer handle is connected to the lower end of the supporting column by a rotating shaft; a tapping head is arranged at one end of the connecting hammer handle; a respiratory monitor can be used for detecting baby breath, so the baby breath can be detected more conveniently; the back of a baby can be beaten by the tapping head, so that the baby restores breath and higher convenience in treatment is realized; when the baby has abnormal conditions, the abnormal conditions can be reminded to medical workers in time by an alarm. The rescue device for the apnea neonatorum is simple in structure and simple and convenient to operate, can be used for detecting the breath of the baby and can also perform corresponding treatment; besides, baby cry can be prevented by a cradle type device.

The invention belongs to the technical field of respiratory monitor and discloses a monitor control method and a monitor control system for a respiratory medicine department based on big data. The control system comprises a power supply module, a respiration parameter acquisition module, an electrocardiosignal data acquisition module, an image acquisition module, a master control module, a data processing module, a data analysis module, a wireless communication module, a computer, a big data server, an alarm module and a display module. According to the monitor control method and the monitor control system disclosed by the invention, real-time discrete respiratory data are analyzed and mined by the data processing module, so that heath conditions of patients can be monitored in real time;the information acquiring efficiency is improved; in addition, information obtained by analyzing respiratory waveform data is abundant; meanwhile, the data analysis module is used for comprehensive analysis; individual conditions of users are analyzed fully, graphically and intuitively; respirator operating parameters of the users are set according to analysis results. A data analysis method disclosed by the invention is simple and high in practicality.

A respiratory monitoring apparatus (10) includes a central venous pressure sensor (24) configured to measure a central venous pressure (CVP) signal of a patient. At least one processor (32, 34, 36, 38, 40, 42, 44, 58) is programmed to process the CVP signal to generate respiratory information for the patient by operations including: segmenting the CVP signal based on detected breath intervals; calculating a surrogate muscle pressure signal from the segmented CVP signal; and filtering the surrogate muscle pressure signal to remove a cardiac activity component a cardiac activity component of the surrogate respiratory muscle pressure signal.

Systems and method are provided for monitoring a patient during surgery. An anesthetic machine includes a ventilator configured to provide breathable gas to a patient, an oxygen concentration sensor configured to monitor the concentration of oxygen in gas inhaled and exhaled by the patient, and a respiratory monitor configured to monitor a respiratory rate and a tidal volume of the patient. An uptake rate estimator is configured to estimate a pulmonary oxygen uptake rate (ViO2) for the patient from the concentration of oxygen in gas inhaled and exhaled by the patient and a minute volume of the patient. A risk score calculator is configured to determine a risk score for the patient at each interval as a function of the estimated ViO2 value. An output device is configured to provide the determined risk score to a human operator.

A respiratory monitor, systems of respiratory monitoring, and methods of calibrating sensing equipment are described. The respiratory monitor may be configured to identify respiratory patterns while ignoring normal noise aberrations from a sensing device. The monitor may be configured for more comfortable use by a patient. Calibration techniques are also described. These calibration techniques may be employed to adjust sensing systems and to correct for unwanted noise in output signals of sensing equipment.

The invention belongs to the technical field of medical equipment, and particularly relates to a respiratory monitor for senile pneumonia. The medical equipment comprises a box body, wherein a transverse plate is arranged in the box body; a mounting plate is fixed to the top of the transverse plate; an oxygen generator is slidably arranged in the mounting plate; the output end of the oxygen generator is fixedly connected with a hose through a connector; and one end of the hose communicates with a breathing cylinder. Through mutual cooperation of a nasal plug, a PLC, a display screen and a breathing sensor, the breathing frequency of a patient can be monitored, medical staff can observe the breathing frequency conveniently, oxygen transportation can be conducted on the patient through the oxygen generator, when an oxygen amount in the oxygen generator is small, the medical staff can be reminded in time through arrangement of an alarm mechanism, a situation that the oxygen amount is insufficient to cause the patient to be in danger can be avoided, safety is improved, and noise generated by the oxygen generator during working can be effectively reduced by arrangement of a buffering mechanism and a noise prevention mechanism.

A system for simulating various clinical conditions which are detectable by a noninvasive respiratory monitor is provided. The simulated clinical conditions may be displayed on a noninvasive respiratory monitor to replicate a variety of disease states to provide training for a clinician. The system may include a pulse oximetry simulation device and / or a CO2 delivery system.

A respiratory monitor, systems of respiratory monitoring, and methods of calibrating sensing equipment are described. The respiratory monitor may be configured to identify respiratory patterns while ignoring normal noise aberrations from a sensing device. The monitor may be configured for more comfortable use by a patient. Calibration techniques are also described. These calibration techniques may be employed to adjust sensing systems and to correct for unwanted noise in output signals of sensing equipment.

The present invention is a system (100) and method (200) of integrating an intravascular gas exchange catheter (120) with a patient respiratory system including a monitor and ventilator. The system (100) and method (200) obtains a monitoring sample of respiratory mechanic parameters for a present time interval, which may be selectively recurring over a predefined time. The system (100) and method(200), according to the aforementioned respiratory mechanic parameters, alerts a physician to adjust, or automatically adjusts the oxygen delivery through the IGEC (120) the ventilator operation, or both the IGEC (120) and ventilator.

Devices and methods for monitoring physiologic parameters are described herein which may utilize a non-invasive respiratory monitor to detect minor variations in expiratory airflow pressure known as cardiogenic oscillations which are generated by changes in the pulmonary blood volume that correspond with the cardiac cycle. These cardiogenic oscillations are a direct indicator of cardiac function and may be used to correlate various physiologic parameters such as stroke volume, pulmonary artery pressure, etc.

The invention discloses a vital sign examination device for the emergency department. The examination device comprises a main examination device body, one side of the main examination device body is provided with a display screen, the side, close to the upper portion of the display screen, of the main examination device body is provided with a protective retaining edge, the side, close to the lower portion of the display screen, of the main examination device body is provided with a functional button area, the side, close to the function button area, of the main examination device body is provided with four end line interfaces equidistantly distributed, and the side, away from the display screen, of the main examination device body is connected with a rear end cover through hexagon socketbolts; the main examination device body is internally provided with a respiratory monitor, a body temperature detector, a pulse monitor and a blood pressure monitor; through a pull rod arranged at theupper side of the main examination device body, the vital sign examination device is convenient to carry and move and suitable for being used in a rescue ambulance; the sides, close to the end line interfaces, of the main examination device body are provided with U-shaped anti-falling clamps to prevent an examination line from falling off, and the cooperation of a wireless transceiver, a buzzer and a warning light facilitates warning of abnormal conditions.

The invention provides a device for early screening of newborn lung diseases. The device comprises a physical sign monitoring module, a data processing module, a lung disease preliminary screening module and a comprehensive diagnosis module. The physical sign monitoring module collects vital sign data of a newborn is collected through body temperature, heart rate, blood oxygen and breath monitoring instruments; the data processing module processes the vital sign data of the newborn by adopting methods of feature extraction, data normalization and the like; the lung disease preliminary screening module automatically diagnoses the disease state with a lung disease preliminary screening model according to the collected vital sign data and generates a diagnosis report; and in the comprehensivediagnosis module, a doctor further examines the newborn according to the report, then performs comprehensive diagnosis, and finally performs active and effective treatment on the child patient, so that the injury to the newborn is reduced.

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 an analgesia control device which comprises an analgesia infusion pump, a medicine feeding device, a respiratory monitor and an infusion pipeline. Analgesia medicines are currently infused by the aid of an analgesia pump, so that pain of a cancer patient and a postoperative patient is relieved, serious adverse effects such as respiratory depression and reduction of blood oxygen saturation are generated, and a control device for analgesia is absent. In order to overcome the shortcomings of the prior art, the technical scheme includes that the pain can be effectively controlled by the aid of a constant-speed micro-infusion analgesia pump, and a respiratory state can be dynamically displayed by the aid of the respiratory monitor. When respiratory frequency is smaller than or equal to 8 times per minute and the blood oxygen saturation is reduced, a photoelectric blood oxygen saturation sensor is connected with a receiving processing circuit, an alarm circuit and a changeover switch in the monitor and linked with an electromagnetic valve, and automatic alarm and self-closing infusion safety control is realized. The analgesia control device is applicable to clinical application of cancer patients and postoperative pain patients.

The invention belongs to the airborne oxygen system technology, in particular to a pressurizable self-generating oxygen supply device. The pressurizable self-generating oxygen oxygen supply device includes a breathing monitor (1), an autogenous oxygen reactor (2), an electric control valve (3), and a dry ice heater (4). The self-generating oxygen reactor (2) communicates with the dry ice heater (4), and an electric control valve (3) is arranged between the two, and the breathing monitor is respectively connected to the reaction inlet channel of the self-generating oxygen reactor (2). It is connected with the reaction outlet gas channel, and connected with the electric control valve (3) and the dry ice heater (4) respectively. The self-generating oxygen supply device of the present invention increases breathing monitoring and oxygen supply adjustment functions, and increases anti-suffocation and high-altitude pressurization and anti-load functions, which can be applied to oxygen supply for aircraft crews, and makes the aircraft oxygen system simpler and has greater practical application value.

The invention discloses a sleep breath monitor, which comprises a breath vibration signal receiving device, an IV conversion circuit, an IV amplification circuit, an ARDUINO open source electronic prototype platform, a TF card reader, an LED lamp and a computer, wherein the breath vibration signal receiving device comprises a detection rod, a laser light source, a reflection film, a silicon photodiode, an installation platform and a vibration plate; after laser emitted from the laser light source is reflected by the reflection film, the laser is received by the silicon photodiode, and the silicon photodiode outputs a weak current signal to the IV conversion circuit; after the weak current signal is converted into a voltage signal, the voltage signal is input into an IV amplification circuit to be amplified into an analog signal, and the analog signal is input into the electronic prototype platform; and the TF card reader, the LED lamp and the computer are connected with the electronicprototype platform. The sleep breath monitor can obtain tiny vibration information which can not be identified by the human eyes, through signal processing, breath situation information in sleep is obtained, and the sleep breath monitor can be used for broad sleep-disordered breathing patients to carry out home self monitoring, and assists the patients in knowing the own breath situation.

Disclosed is a bioimpedance measurement system: A stabilized high frequency current generator is connected to PadSet electrodes via a Patient Cable. Electrodes are connected to an adaptive circuit that conditions the resulting voltage signal and converts it to digital form. Firmware performs signal acquisition and relays data to the device.

The invention discloses a medical respiratory monitor. The medical respiratory monitor comprises a nasal plug, a nasal fixing base and a monitoring host. The nasal plug is made of a silicone material.The one end of the nasal plug is detachably connected to the nasal fixing base. The nasal plug has a fluid channel for communicating both ends. The fluid channel is tapered and has one end having a small opening size that is connected with the nasal fixing base. The nasal fixing base is provided with a fixing rope that is elastic. The outer surface of the nasal fixing base is provided with an antiskid silicone pad. An electret microphone is installed in the nasal fixing base. The electret microphone is located at the end of the fluid channel when the nasal plug is connected to the nasal fixing base. The electret microphone is connected to a controller on the monitoring host through wires. The monitoring host further comprises a power supply module, a display screen and a loudspeaker. Thepower supply module, the display screen and the loudspeaker are connected to the controller. The invention can detect respiratory condition of a patient in real time, so that medical staff can detectapnea in the patient as early as possible.