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4484584 |
Method and apparatus for blood pressure measurement
Blood pressure measuring method and an apparatus applicable therefor, wherein a graph indicating the relation between pressure in a cuff which is variable in the measurement process and magnitude...
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4476876 |
Electronic sphygmomanometer
An electronic sphygmomanometer in which the gain of a Korotkoff sound amplifier for recognition of systolic blood pressure differs from that for recognition of diastolic blood pressure. A processor...
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4475557 |
Method and apparatus for performing blood pressure measurements
The sphygmomanometer comprises an arm band having an inflatable cuff and a microphone, and an instrument connected to the arm band, which contains the necessary pneumatic and electronic elements....
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4469107 |
Automatic blood pressure measurement device with threshold compensation circuitry and method for performing the same
A blood pressure measurement apparatus comprises electronic circuitry which converts an output from a pressure transducer into a digital display for both the systolic and diastolic blood pressure...
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4464123 |
Arm simulator for an oscillometric blood pressure monitor
A device for simulating the pressure readings obtained from the arm of a living subject whose blood pressure levels are being determined by an oscillometric blood pressure monitor, includes a pulse...
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4461266 |
Adaptive incremental blood pressure monitor
An adaptive monitor and method for rapidly determining blood pressure, selects an initial cuff pressure to be applied to an artery of the test subject and then measures the amplitude of pressure...
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4459991 |
Blood pressure measuring equipment
There is disclosed blood pressure measuring equipment comprising a sleeve with an inflatable chamber and a microphone, and an appliance connected by a line with the sleeve. The appliance comprises...
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4458690 |
Blood pressure monitor
A digital readout electronic blood pressure and pulse rate monitor. A finger cuff occluder is pressurized by a single stroke plunger and an automatic vent means provides linear pressure decay while...
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4429700 |
Blood pressure measuring device
An inflatable blood pressure cuff is pressurized with a vapor which is produced by heating a fluid which has a boiling point between 290° K. and 340° K. with an electric heating element. The...
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4427013 |
Apparatus and method for measuring blood pressure
A blood pressure measuring device is disclosed which uses an inflatable cuff to apply external pressure to a patient's body member. The device detects and measures amplitude of pressure...
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4407297 |
Method and apparatus for performing non-invasive blood pressure and pulse rate measurements
There is disclosed a blood pressure measuring instrument which utilizes a standard cuff, a bulb for manually pumping up the cuff pressure, and a bleed hole which allows the cuff pressure to...
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4367751 |
Apparatus and process for producing artifact effect on sphygmometric information
Improved method and apparatus for indicating blood pressure and the like in a varied pressure cuff system wherein blood vessel pulsation signals are supplied to signal processing means for...
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4360029 |
Automatic mean blood pressure reading device
An apparatus for producing information indicative of the mean blood pressure of a living creature through indirect measurement comprising an inflatable cuff, a pump connected to the cuff, a...
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4356827 |
Method of arrhythmia detection with detecting mechanism
A method of using a sphygmomanometer having a built-in arrhythmia detecting mechanism, wherein the blood pressure measuring portion contains a pulsation detector, which receives pulse sounds...
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4343314 |
Non-invasive real time blood pressure measurement system
A non-invasive, real time blood pressure measurement system includes a cuff connected to a pump, a cuff pressure sensor, and a detector to sense the times when the cuff stops or starts blood flow...
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4276886 |
Blood pressure recorder
Apparatus for measuring and recording a patient's blood pressure at various times throughout the day while the patient is unattended, wherein the apparatus includes a circular disk chart and a...
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4273136 |
Electronic sphygmomanometer
A blood pressure measurement system comprises a determination means for determining whether a cuff pressure is increasing for preparation purposes or decreasing for measurement purposes. The...
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4271843 |
Method and apparatus for diastolic pressure measurement
The rate of change in a selected portion of an arterial pressure pulse changes with applied constricting pressure, and the pattern of the change undergoes a progressive transition at a value of...
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4263918 |
Methods of and apparatus for the measurement of blood pressure
Blood pressure is measured with the aid of a programmed data processor such as a microcomputer. Electrical signals are provided in response to the pressure in a blood pressure cuff as the pressure...
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4190886 |
Derivation of steady values of blood pressures
Apparatus for deriving an average of data points in which the contribution of each data point to the average is generally inversely related to the difference between its amplitude and the...
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4180061 |
Electronic sphygmomanometer
An electronic sphygmomanometer of simplified construction. Systolic and diastolic blood pressure are both indicated by the flashing of a light emission diode on receiving the Korotkov sound...
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4177801 |
Process and apparatus for the non-intrusive measurement of circulatory parameters
The invention relates to an apparatus and a process for measuring circulatory parameters by external route. The apparatus of the invention consists of a pressure-applying device such as a cuff 1 to...
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4174707 |
Apparatus and process for antifact rejection through cross correlation in sphygmometry
In a system for measuring blood pressure and the like based on a sensed quantity representing the sum of pressure applied by a pressure cuff and a fluctuating component representative of the...
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4170226 |
Digital sphygmomanometer
A digital sphygmomanometer is disclosed in which a conventional arm cuff and a compact high sensitivity pneumatic sensor measuring system utilizing mechanical/optical/electronic techniques rapidly...
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4154238 |
Apparatus and process using second derivative of oscillometric waveform for producing sphygmometric information
An improved method and apparatus for determining blood pressure in a system employing a variable pressure cuff and having means for sensing a quantity comprising the sum of applied cuff pressure...
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4140110 |
Systolic pressure determining apparatus and process using integration to determine pulse amplitude
In systolic pressure determining apparatus utilizing a pressure cuff and means for measuring a fluctuating quantity proportional to the sum of the cuff pressure and the fluctuating component...
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4106498 |
Initialization circuit
In a blood pressure measuring system in which a pressure signal comprised of both applied pressure and pulsatile pressure is detected and subsequently filtered to separate the pulsatile pressure...
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4078551 |
Electronic sphygmomanometer
A sphygmomanometer having an inflatable occluding cuff adapted to be applied to a patient. A pressure transducer is in fluid communication with the cuff so as to produce an electrical analog signal...
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4074711 |
Apparatus and process for determining systolic pressure
A conventional pressure cuff is attached to a living test subject. First means are provided for changing pressure in the cuff and thereby applying pressure to the subject. Second means...
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3978848 |
Monitoring apparatus and method for blood pressure and heart rate
A combination blood pressure and heart rate monitor is disclosed of the type utilizing a pressure cuff coupled to a patient's artery. Acoustic means is provided and adapted to be placed in a...
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3905354 |
Blood pressure measuring system
The blood pressure measuring system includes the generation of output signals by correlation of pressure pulses detected in a fluid system used to close off the blood flow, with acoustic pulses...
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3903872 |
Apparatus and process for producing sphygmometric information
The invention comprises an apparatus and a process for producing sphygmometric information. The pressure in a blood pressure cuff is detected by a pressure transducer. The pressure signal is then...
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3811439 |
APPARATUS FOR CLINICAL MEASUREMENT OF BLOOD PRESSURE IN A CARDIO-VASCULAR SYSTEM
Blood pressure measuring apparatus comprises a cuff arrangement for encircling the patient's limb, and a pump for pressurising the cuff above the systolic pressure. A pivotally mounted lever...
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3542011 |
APPARATUS FOR MEASURING AND MONITORING BLOOD PRESSURE
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3315662 |
Oscillometric monitoring system for sphygmomanometers
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3056401 |
Sphygmomanometer
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2827040 |
Automatic sphygmomanometer
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