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7544168 Measuring systolic blood pressure by photoplethysmography  
The present invention relates to cuff-based method for the measurement of systolic blood pressure (SBP) by measuring photoplethysmographic (PPG) signals in peripheral blood vessels distal to the...
7462152 Method and system utilizing SpO2 plethysmograph signal to reduce NIBP determination time  
A method and system for operating a non-invasive blood pressure monitor that utilizes an SpO 2 plethysmographic signal to reduce the time required to obtain an estimation of a patient's blood...
7404801 Blood pressure monitor  
The present invention provides an automatic blood pressure monitor for measuring the arterial blood pressure at a location on a patient. The automatic monitor of the invention does not require an...
7390302 Method and system of determining NIBP target inflation pressure using an SpO2 plethysmograph signal  
A method and system for operating a non-invasive blood pressure monitor that utilizes an SpO 2 plethysmograph signal to determine the initial inflation pressure for the blood pressure cuff of the...
7384425 Matching limb protection sleeve for tourniquet cuff  
Apparatus is provided for protecting a patient's limb from tourniquet-related injury, comprising: a tourniquet cuff having a length sufficient for encircling a limb protection sleeve applied to a...
7367952 Electronic blood pressure monitor and blood pressure measuring system  
When a predetermined condition for measurement is selected from a plurality of conditions for measurement by operating one of measurement switches before measuring the blood pressure, a pressure...
7311670 Blood pressure cuffs with resilient support sleeves  
Inflatable blood pressure cuff assemblies include an inflatable elongate cuff member having opposing long edges and opposing short edge portions with a fluid chamber therein and a resilient support...
7186218 Method and system for cuff pressure reversions  
A method and system for determining when to make a reversion to smaller cuff pressure steps during an oscillometric blood pressure measurement is disclosed. The method and system comprise comparing...
7014611 Oscillometric noninvasive blood pressure monitor  
An oscillometric, noninvasive blood pressure monitor comprising an inflatable cuff adapted for placement around a body member, a pump for cuff inflation, a pressure transducer connected to the...
6994675 Non-invasive measurement of suprasystolic signals  
An apparatus for assessing cardiovascular status of a mammal comprises a system for locally applying a pressure to an artery capable of restricting blood flow through said artery, a wideband...
6878273 Dialyzing apparatus  
A dialyzing apparatus includes a dialyzer which removes water from blood of a patient at a pre-set water-remove rate, an autonomic-nerve-activity-related-information obtaining device which obtains...
6802816 System for measuring blood pressure  
A method for measuring blood pressure during a limited number of blood pressure cycles at an area overlying an artery of a living subject, includes applying a pressure (P) to the artery for...
6767328 Method and apparatus for determining blood pressure using pressure pulse duty cycle  
A method of processing oscillometric blood pressure pulse data taken from a subject is disclosed. In an exemplary embodiment, the method includes determining a pressure pulse period of a cardiac...
6746405 Blood pressure measuring apparatus with pulse wave detecting function  
A blood pressure measuring apparatus, including a cuff adapted to be worn on a body portion of a living subject, and determining a blood pressure value of the subject based on a signal obtained...
6719703 Method and apparatus for measuring blood pressure by the oscillometric technique  
A method and apparatus for measuring blood pressure by the oscillometric technique. The method incorporates variable PIP's. The method comprises the steps of obtaining a value for the peak...
6712768 Augmentation-index determining apparatus and arteriosclerosis inspecting apparatus  
An augmentation-index determining apparatus, including a cuff, a cuff-pressure changing device which changes a pressing pressure of the cuff, a pulse-wave extracting device which extracts a pulse...
6602199 Method and apparatus for measuring values of physiological parameters  
Apparatus for measuring a physiological parameter of a patient, such as blood pressure, takes a sequence consisting of a predetermined number of individual measurements. The apparatus computes a...
6565515 Pulse-wave-propagation-velocity-relating-information obtaining apparatus and blood-pressure-index measuring apparatus  
An apparatus for obtaining information relating to a velocity at which a pulse wave propagates in a living subject, the apparatus including a first inflatable cuff and a second inflatable cuff...
6561985 Automatic blood-pressure measuring apparatus  
An apparatus for automatically measuring a blood pressure of a living subject, including in inflatable cuff which is adapted to be wound around a portion of the subject, a cuff pulse wave including...
6524257 Superior-and-inferior-limb blood-pressure index measuring apparatus  
An apparatus for measuring a superior-and-inferior-limb blood-pressure index of a living subject, including an inferior-limb-blood-pressure measuring device which includes an inferior-limb cuff...
6511435 Blood pressure measurement system  
A blood pressure measurement device and associated operating method utilize a measurement algorithm based on a plurality of measurements, supplying a unique ability to increase diagnostic and...
6491638 Circulation-condition monitoring apparatus  
A blood-circulation monitor including a heartbeat-synchronous-wave sensor, a first judging device for judging whether an arrhythmia has occurred to a living subject, based on a...
6485429 Method and a device for non-invasive measurement of the blood pressure and for detection of arrhythmia  
In a device or in a method for oscillometric measurement of the blood pressure, the pulse time differences are determined associated with the measurement of the blood pressure. Subsequent pulse...
6440080 Automatic oscillometric apparatus and method for measuring blood pressure  
Blood pressure of an human being is read by a process that places a cuff around a portion of the human being's body. The cuff is inflated to a predefined pressure which occludes the flood of blood...
6423010 Oscillometric blood pressure monitor with improved performance in the presence of arrhythmias  
The present invention relates to an improved apparatus and method for measuring blood pressure. Both include a first sensor for detecting an instantaneous pulse rate, an inflatable cuff, and a...
6358213 Calculation of quality and its use in determination of indirect noninvasive blood pressure  
An automated sphygmomanometer which utilizes quality algorithms to stop any further analysis at various points during a blood pressure determination because of corrupted data. If the data is so...
6336044 Reliable body fat measurement in self-service health parameter Measuring system  
In a self-service health parameter measuring apparatus and method, a person's elbow is placed at a spatial reference point, and means surrounding a user's forearm locate an infrared body fat...
6322517 Electronic sphygmomanometer capable of adjusting pressure release rate during measurement  
An electronic sphygmomanometer starts from pressurization and then enters a decompression process. When measurement of blood pressure starts, only a standard pressure release rate voltage is...
6309359 Method and apparatus for noninvasive determination of peripheral arterial lumenal area  
An occlusive cuff is placed around a limb (e.g. an arm) of a patient. A fluid, such as air, is pumped into the cuff, and the pressure in the cuff is measured. The pressure variation in the cuff...
6231517 Apparatus and a method for non-invasive measurement of the arterial blood pressure  
An apparatus (21) which measures the arterial blood pressure at the human wrist (1) is provided with a cuff (22) having a shape adapted to be placed in a predetermined position around the wrist...
6165131 Fuzzy logic method for an indirect measure of a physical signal to be monitored, and corresponding measuring device  
Fuzzy logic rules are applied to a method for indirectly measuring a physical signal to be monitored which would be difficult to directly measure. The measuring method comprises the steps of...
6093152 Pulse width modulation valve control for vital sign monitors  
A method for measuring a patient's blood pressure involves using a patient-applied cuff operably connected to an electronically controlled blood pressure monitor that includes a pump. The method...
6083171 Blood pressure monitoring apparatus  
A pulse wave propagation time is counted constantly. Not only it is judged whether or not a pulse wave propagation time change ΔT exceeds a pulse wave propagation time change threshold ΔTs, but...
6068601 Blood pressure measuring apparatus  
A blood pressure measuring apparatus including an inflatable cuff which is adapted to be wound around a body portion of a living subject, an air pump which supplies a pressurized air to the cuff to...
5971932 Oscillometric type electronic sphygmomanometer  
An oscillometric type electronic sphygmomanometer for determining the systolic and the diastolic blood pressure on the basis of a peak formed by the variance in the pulse wave amplitude, wherein...
5961467 Cardiovascular system observation method  
A cardiovascular system observation method using a computer processor on the basis of pulse wave amplitude data obtained from a patient in a compressed state which changes, said method comprising:...
5868679 Blood-pressure monitor apparatus  
A blood pressure monitor apparatus for monitoring a blood pressure of a living subject, by changing a pressing pressure of an inflatable cuff being wound around a body portion of a living subject,...
5836887 Physical information monitor system having means for determining reference range for abnormality determination, based on moving average of previously obtained values  
A physical information monitor system comprising: (a) physical information obtaining means for successively obtaining physical information values of a living subject; (b) moving average calculating...
5791348 Automatic blood pressure measuring system  
An automatic blood pressure measuring system employs an oscillometric method, a cuff applying pressure to an arterial vessel and then gradually reducing the pressure. On a distal side of the cuff,...
5772602 Noninvasive blood pressure measuring device and method  
A CPU 9 controls an air supplying/discharging device to set a pressure of air within a-cuff to 60 mmHg for 60 seconds before making a blood pressure measurement, detects pulse waves of the cuff...
5772601 Apparatus for evaluating cardiac function of living subject  
An apparatus for evaluating a blood-ejecting function of a heart of a living subject, including a pressure pulse wave sensor which is adapted to be worn on a body portion of the subject to detect a...
5759157 Blood pressure measuring apparatus  
When it is judged by a blood-pressure-abnormality judging means that a first blood pressure value determined by a first blood pressure determining means, based on a pulse-synchronous signal...
5746212 Process and device for measuring vital fetal parameters during labor and delivery  
A process for measuring vital, fetal parameters during parturition. It is essential in this process that the blood pressure of the fetus is discontinuously measured in the arterial system by...
5680870 Oscillometric blood pressure monitor which acquires blood pressure signals from composite arterial pulse signal  
An automated sphygmo-manometer which digitizes the pressure transducer output with sufficient resolution to preserve the details of the measured oscillation complexes. The "composite" arterial...
5671750 Peripheral blood-flow condition monitor  
An apparatus for monitoring a peripheral blood-flow condition of a living subject by detecting a peripheral blood-flow resistance of the subject, including a first and a second pulse-wave sensor...
5662092 Sphygmomanometer and method for controlling optimum pressurization and minute exhaustion while measuring blood pressure  
A sphygmomanometer for controlling an optimum pressurization and minute exhaustion comprises a cuff which is wrapped around the upper arm of a subject for compressing the brachial artery. The cuff...
5653241 Blood-pressure monitor apparatus  
A blood pressure monitor apparatus for monitoring a blood pressure of a living subject, including a blood-pressure measuring device which includes an inflatable cuff adapted to be wound around a...
5651369 Apparatus for detecting and displaying blood circulatory information  
A cuff (200; 500) is put around an upper arm, and the blood flow of the upper arm is shut by a blood flow shutting bag (210; 520). A sound wave sensor (110) and a pressure sensor (120) are disposed...
5626141 Blood pressure measurement apparatus and associated method  
Using an improved noninvasive blood pressure measuring apparatus, dynamic parameters (like stretching and contracting velocity, acceleration, force, power and energy) of human arterial wall motion...
5606977 Oscillometric blood pressure monitor which automatically determines when to take blood pressure measurements  
An automated sphygmomanometer which automatically determines when a blood pressure determination needs to be made. During a "guard mode" determination, a cuff on an appendage of the patient is...
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