690 results about "Sphygmomanometer" patented technology

The invention relates to methods and devices for measuring pulsus paradoxus. The methods herein employ a combination of one or more forms of waveform analysis for the purpose of measuring pulsus paradoxus and diagnosing respiratory distress. The methods also combine measurements of pulsus paradoxus and physician assessments to diagnose respiratory distress. The methods also combine measurements of pulsus paradoxus and percentage oxygenated hemoglobin to diagnose respiratory distress. The devices of this invention employ pulse oximeters, arterial tonometers, finometers, or processors for the purpose of implementing the methods of the invention.

The present invention provides a multifunction health device, which comprises a meter and a platform. The meter has two electrodes arranged separately at its two sides or both arranged at its one side, and the meter has another electrode arranged in its bottom. The platform has four electrodes arranged in its top face, and a pressure sensor arranged in its inside. With or without some parts assisting, the single use of the meter can function as an ECG detector, a TENS machine, a thermometer, and a first sphygmomanometer. Connecting with the platform, the meter and the platform can function as an ECG detector, a weight scale, and a body composition estimator. Further, the meter can alternatively connect with a chassis thus functioning as a second sphygmomanometer, a stethoscope, a glucose meter, or a pulse oximeter.

An living body information collecting apparatus having a shape suitable for being worn in the external auditory meatus of the human body, and having a sensing part for collecting living body information from the external auditory meatus is provided. In addition, a blood-pressure meter is provided, wherein the blood-pressure meter includes: a frame part including a first arm and a second arm that are opposed to each other; a pressure applying part provided on at least one of a side of the first arm opposed to the second arm and a side of the second arm opposed to the first arm; and a detection part for detecting a pulse wave.

The invention relates to a device and method for measuring arterial blood pressures based on pulse wave signals and electrocardiosignals, wherein the device comprises a microprocessor, a pulse wave signal measuring unit, an electrocardiosignal measuring unit, a communication module, a data storage module and an LCD (liquid crystal display) module, and the microprocessor is respectively connected with the pulse wave signal measuring unit, the electrocardiosignal measuring unit, the communication module, the data storage module and the LCD module by control lines. The device provided by the invention is small in size, therefore, the device is suitable to be worn for non-intrusively and continuously detecting and recording the blood pressure values for a long time. Compared with the existingblood pressure measurement techniques, the device and method provided by the invention have the advantages that in the process of blood pressure measurement, the dependence on an inflated cuff is ridded; and meanwhile, the blood pressure calculation method applied to the device is small in computation load, and can be implemented by the microprocessor with a limited computational capability, therefore, the device is low in cost and easy to use.

A blood pressure measurement device includes a finger cuff for measuring a blood oxygen saturation level of a subject as physiological information excluding a blood pressure, a pulse wave detecting portion, and an oxygen saturation level calculating portion, where a start of blood pressure measurement in a sphygmomanometer is determined by a comparing and determining portion when a value becomes greater than or equal to a reference value. After the end of the measurement, a time limit for limiting the start of the blood pressure measurement is set. The comparing and determining portion determines not to start the blood pressure measurement within the time limit even if the blood oxygen saturation level becomes greater than or equal to the reference value.

A safe driving monitoring device capable of monitoring physical and psychological states of a driver belongs to the field of safe driving of automobiles and solves the problem that an existing safe driving device only detects some single index, does not consider changes of the physical and psychological states of the driver and cannot carry out corresponding reaction movements when the states of the driver change. A neck pulse sensor detects pulse signals, a pressure sensor detects signals indicating whether the driver sits in an automobile, an air bag pressure sensor detects hand gripping signals or foot power signals of the driver, a breathing signal detection circuit detects breathing signals of the driver, a non-contact temperature measuring sensor detects body-temperature signals, an alcohol concentration measuring sensor detects alcohol concentration signals, an ear type sphygmomanometer detects blood pressure signals, and a distance measuring sensor detects relative distance signals. All the signals are analyzed by a control and analysis processor, and the control and analysis processor outputs analysis results to an alarming module so as to give an alarm.

The pulse analysis is one of the important measures for Chinese medicine diagnosis. Doctor can understand the health condition of patient based on pulse condition of radial artery of the patient. The present invention provides blood pressure measuring method based on radial artery pulse information. The method includes detecting the pulse wave of radial artery in wrist with one mechanical sensor and detecting electrocardiac signal with two conducting electrode, and then determining artery blood pressure based on the time information extracted from these two signals. The device is calibrated with standard sphygmomanometer before used in continuous measurement of artery blood pressure without using sleeve belt.

A sphygmomanometer cuff assembly, air pump, pressure sensor and release valve are contained in an otherwise conventional computer mouse controller. Three alternative embodiments are illustrated and discussed herein. In one such embodiment the sphygmomanometer cuff is nominally positioned within the mouse structure and is extended outside the mouse housing during the measurement. In another embodiment, the cuff is always external of the mouse structure and is easily connected to the mouse at special ports during the measurement. In yet another embodiment, the cuff is always internal of the mouse structure and is readily accessible through an aperture in the housing surface of the mouse to permit the measurement to take place. Preferably, in each of these alternative embodiments a hinged or slidable door or panel protects the cuff or cuff ports between measurements. In all of the embodiments shown herein, the sphygmomanometer cuff is configured for receiving a human finger in circumambient pressured engagement using controlled air pressure to vary the cuff/finger engagement pressure in a precise manner.

A method and apparatus to determine possible atrial fibrillation that includes detecting irregular pulse rhythms from a succession of time intervals each corresponding to a respective interval of time between successive pulse beats of a sequence of the pulse beats; analyzing the detected irregular pulse rhythms to make a determination of possible atrial fibrillation; indicating the possible atrial fibrillation from the determination. If a sphygmomanometer is used, a plurality of pulse beats may be detected with it including the sequence of pulse beats; and respiratory variation in systolic pressure of the pulse beats may be compensated by designating the succession of time intervals to exclude at least an initial one of the plurality of time intervals.

The present invention provides a wireless communication system that includes a remote pharmaceutical administration device and a pharmaceutical network administration apparatus. The remote pharmaceutical administration device includes a monitoring device for monitoring the vital signs of a patient, an analysis processor for receiving the vital signs, a transceiver for transmitting the vital signs over a network and receiving an action plan over the network, and administration means for administering a prescribed medication to the patient. The remote pharmaceutical administration device can also include pre-stored pharmaceuticals and a remotely-run testing apparatus, such as an EKG machine, a blood sugar monitor, or a sphygmomanometer. The pharmaceutical network administration apparatus includes a network transceiver for receiving an action plan over the wireless network and a network processor that develops instructions. The network transceiver transmits the instructions over the wireless network.

The invention belongs to the field of medical signal processing, and provides a detection method of vascular elasticity and blood pressure based on a single probe photoplethysmography pulse wave. According to the technical scheme, through the adoption of the detection method, quantization of the vascular elasticity and estimation of the blood pressure are achieved on the condition that a photoplethysmography pulse wave is collected merely through a single probe. The detection method comprises the first step of collecting the pulse wave and the blood pressure based on a pulse wave collecting system and a cuff sphygmomanometer; the second step of extracting features related to the vascular elasticity and the blood pressure; the third step of building a blood pressure predicting linear regression equation through the adoption of a stepwise regression method according to a relevant feature quantity; the fourth step of training a BP neural network according to the relevant feature quantity, and measuring the elasticity of an artery blood vessel and a blood pressure value through the trained neural network. The detection method of the vascular elasticity and blood pressure based on the single probe photoplethysmography pulse wave has the advantages that the algorithm performance is good, the quantization of the elasticity of the artery blood vessel wall of the human body can be achieved through the photoplethysmography pulse wave collected by the single probe, and the blood pressure value can be accurately predicted.

In blood pressure monitoring apparatus which continuously estimates and monitors blood pressure by using the pulse wave propagation time, blood pressure fluctuation can be accurately estimated. If both blood pressure estimated from the pulse wave propagation time and a waveform parameter obtained from the accelerated pulse wave have abnormal values, it is determined that the blood pressure is truly fluctuating, and blood pressure measurement by another method, e.g., blood pressure measurement using a cuff is performed.

The invention discloses a continuous blood pressure measuring system and a calibration measurement method based on an Android mobile phone terminal. The continuous blood pressure measurement system based on the Android mobile phone terminal comprises an infrared pulse sensor, an electrocardio sensor, a sleeve belt type sphygmomanometer, a power module and the Android mobile phone terminal, the power module supplies power to the infrared pulse sensor and the electrocardio sensor, and the Android mobile phone terminal is used for receiving signals transmitted from the infrared pulse sensor, the electrocardio sensor and the sleeve belt type sphygmomanometer. The continuous blood pressure measuring system is a portable continuous blood pressure measuring device developed based on the Android mobile phone terminal, the problems that existing sphygmomanometers are not continuous and not comfortable are solved, the blood pressure of the human body can be monitored in a real-time and dynamic mode through the mobile phone terminal in cooperation with the measurement method of parameter calibration, errors caused by individual differences are greatly decreased, and blood pressure measurement precision is improved.

The invention relates to an electronic auscultation sphygmomanometer based on combination of a Korotkoff sound method and an oscillometric method, solving the following problems: the manual auscultation sphygmomanometer is not convenient to carry, and Korotkoff sound auscultation is not easy to operate and is easily affected by the environment. The electronic auscultation sphygmomanometer comprises a cuff with a bladder inside, a sound pickup, an atmospheric pressure sensor, a signal processing unit, an inflation/deflation unit, a human-machine interaction unit and a microprocessor, wherein the microprocessor controls the inflation/deflation unit to inflate or deflate the cuff; after the atmospheric pressure signal obtained by the atmospheric pressure sensor and the Korotkoff sound signal obtained by the sound pickup are processed by the signal processing unit, the microprocessor firstly works out the range of the blood pressure by the oscillometric method, then searches for the Korotkoff sound signal in the range by a thresholding method to obtain the final blood pressure and finally controls the human-machine interaction interface to display the result. The sphygmomanometer can simultaneously ensure stability and precision of the measuring result and can be used in the blood pressure measurement field.

Measurement of blood pressure is one of the most common procedures done in a clinical and an ambulatory environment. It is usually done with a sphygmomanometer, where an inflatable cuff is attached to the arm of a patient and the systolic and diastolic pressures are determined, typically by listening to the Korotkoff sounds. Although this method is over 100 years old and widely used, it is well known that it has severe shortcomings.

The present invention covers a novel device and method to continuously measure blood pressure using a noninvasive approach. A surface acoustic wave (SAW) pressure sensor is placed on a flexible substrate and placed on the wrist of a patient. This blood pressure sensing device communicates wirelessly with a monitor that is placed several meters away. The monitor can also be a wristwatch worn by the patient. The invention further encompasses a calibration procedure to convert the relative blood pressure values into absolute values.

The main application for this novel device and method is in an intensive care environment where continuous monitoring of blood pressure on critically ill patients is important. Since the proposed method is inexpensive it can also be used by patients at home or even by healthy people (e.g. athletes). The reader system consists of an antenna and a standard computer (e.g. laptop) with signal processing software.

The invention discloses an intelligent massage chair which is provided with a seat, a massage mechanism and a control unit, wherein various massage modes are formed by the massage mechanism. The intelligent massage chair is characterized in that a cardiotachometer, a sphygmomanometer and a spirometer are arranged on the seat, a preset database with the combination of the data of the heart rate, the blood pressure and the vital capacity is formed in the control unit, each group of data in the database is correspondingly matched with the massage modes, and the corresponding groups of data in the database are automatically matched by the control unit according to the measured heart rate, the measured blood pressure and the measured vital capacity so as to select the corresponding massage modes. According to the massage chair disclosed by the invention, the proper massage modes are automatically selected according to the constitutions of patients, so that the massage chair has a proper treatment effect to users.

In a method of producing a cuff of a sphygmomanometer having an automatic cuff winding mechanism, the cuff includes a band-shaped fluid bladder forming a cavity for inserting a user's arm therein, a shape maintenance member wound on the band-shaped fluid bladder, a band-shaped bag wound on the shape maintenance member, and a cylindrical elastic plate housed in the band-shaped bag. The method includes winding the band-shaped fluid bladder on an outer circumferential surface of a cylindrical jig having approximately the same outer diameter as the cavity of the band-shaped fluid bladder, winding the shape maintenance member on an outer circumferential surface of the band-shaped fluid bladder, winding the band-shaped bag on an outer circumferential surface of the shape maintenance member, removing the cylindrical jig from the band-shaped fluid bladder, and housing the cylindrical elastic plate inside the band-shaped bag.

A gas control device includes a pump, a valve, a cuff, and a controller. The valve includes a first plate having a first vent hole and a first vent hole, a channel forming plate having an exhaust hole and an exhaust channel, a second plate having a second vent hole, and an edge separation plate. A manchette rubber tube in the cuff is joined to the periphery of the second vent hole in the second plate by an adhesive, and thus the valve is connected to the cuff. The exhaust hole is opened to the atmosphere. The pump includes a pump housing having a discharge hole and a discharge hole. The upper surface of the pump housing is joined to the bottom surface of the edge separation plate.

The invention relates to a remote medical surveillance system, which comprises a remote detecting system, a mobile terminal, a data transmission system and a remote medical monitoring system. Related data of conditions of a patient are detected by the remote detecting system and transmitted to the mobile terminal through Bluetooth or infrared, and the mobile terminal transmits the data to the remote medical monitoring system through the data transmission system. The remote detecting system comprises a camera device, an electrocardiographic instrument, a blood glucose meter and a sphygmomanometer. The remote medical monitoring system comprises a data base server, an electrocardiographic terminal and an onsite monitoring terminal. Conditions of patients can be remotely, accurately and timely transmitted to a remote medical treatment system in detail by using the remote medical surveillance system, and accordingly treatment of the patients by doctors is facilitated.