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6176831 |
Apparatus and method for non-invasively monitoring a subject's arterial blood pressure
Apparatus is disclosed for non-invasively monitoring a subject's blood pressure, in which a pressure sensor assembly that includes a pressure transducer is compressed against tissue overlying an...
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6171254 |
Control for automatic blood pressure monitor
A blood pressure monitoring system for automatic unattended operation uses curve fitting techniques determined during an initial inflation period to determine cuff size. Based upon cuff size, the...
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6171252 |
Pressure sensor with increased sensitivity for use with an implantable medical device
An apparatus and method for obtaining pressure data using a body implantable pressure sensor includes a measurement capacitor which is responsive to pressure changes of a body fluid. Non-constant,...
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6165130 |
Method for diagnosing, monitoring and treating hypertension and other cardiac problems
A method is disclosed for diagnosing, monitoring and treating cardiovascular pathologies. Among the hemodynamic parameters of interest are peripheral resistance, compliance, and cardiac (left...
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6162181 |
Blood pressure measurement from the hand
A method and assembly oscillometrically measures systolic, mean and diastolic blood pressures by inflating a form fitting cuff disposed over the Palmar Arch of the hand, and subsequently deflating...
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6159157 |
Blood pressure measurement device with a sensor locator
A blood pressure measurement device with a sensor locator for placing a non-invasive blood pressure measurement device over an underlying artery, the sensor locator having a plurality of extending...
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6155983 |
Pulse wave detecting device and pulse measurer
The present invention relates to a pulse wave detecting device for detecting pulse waves, and to a pulse measurer employing this pulse wave detecting device. The present invention addresses the...
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6152880 |
Self-diagnostic blood pressure measuring apparatus
A self-diagnostic blood pressure measuring apparatus displays a diagnostic result for each of the measured systolic and diastolic pressures for warning to an user. The apparatus includes has a...
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6132383 |
Apparatus for holding and positioning an arterial pulse pressure sensor
A sensor holding and positioning device. In one embodiment, the device includes a sensor base having two feet, the base forming a raised bridge between the two feet. The bridge has one or more...
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6120459 |
Method and device for arterial blood pressure measurement
A method of measurement of arterial diastolic blood pressure includes generating first and second signals indicative, respectively, of cardiac induced pulsatile variations in tissue blood volume in...
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6120458 |
Low profile pressure measure device
A pressure sensitive device includes a housing having an interior cavity and a narrow downwardly extending portion. A support plate is disposed within the housing cavity along with a flexible...
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6117075 |
Depth of anesthesia monitor
A method and device for determining the depth of anesthesia. A pattern of very low frequency oscillations in measured skin temperature, or photoplethysmographic pulse pressure, is defined and...
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6113548 |
Method and apparatus for estimation of beat-to-beat pulmonary wedge pressure
A medical device for estimation of pulmonary wedge pressure wherein a non-occluded pulmonary artery blood pressure measurement is utilized to directly estimate the pulmonary wedge pressure. A...
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6095983 |
Electro-pneumatic assembly for blood pressure cuff
A conduit assembly according to the invention includes a first member comprising a pair of integral conduit sections which interface with a custom connector having a first pair of distal connectors...
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6090047 |
Assessing cardiac contractility and cardiovascular interaction
A novel method for estimating the end-systolic pressure-volume relationship (ESPVR) is presented. The method provides for accurate estimation of the ESPVR from a single beat of the cardiac cycle....
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6090048 |
Method and arrangement for detecting the condition of a blood vessel access
Methods for detecting the condition of a catheter providing access to a patient's blood vessel are disclosed in which the blood is supplied to an extracorporeal blood flow circuit. The method...
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6056697 |
Pressure catheter calibration chamber
An apparatus and method for calibrating the pressure readings obtained by catheter tip pressure transducers. The apparatus includes a Plexiglas vessel covered by a closure containing eight catheter...
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6053872 |
Cardiac sonospectrographic analyzer
An apparatus, operation and method for the noninvasive diagnosis of cardiovascular disease or disorder through angiosonospectrography. Through implementation of the present invention physiological...
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6050952 |
Method for noninvasive monitoring and control of blood pressure
A method of monitoring and controlling blood pressure wherein blood pressure is non-invasively monitored and an electromagnetic stimulus applied to a patient's baro-receptors responsive to the...
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6050951 |
NIBP trigger in response to detected heart rate variability
An automated sphygmomanometer which triggers a blood pressure determination upon detection of a significant change in the patient's heart rate variability (HRV). The HRV can be measured directly...
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6048318 |
Vascular impedance measurement instrument
A vascular impedance measurement instrument includes a transducer to obtain a digitized arterial blood pressure waveform. The digitized data is used to determine cardiac output, and to subsequently...
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6045509 |
Apparatus and method for measuring an induced perturbation to determine a physiological parameter
A monitor for determining a patient's physiological parameter includes a calibration device configured to provide a calibration signal representative of the patient's physiological parameter. An...
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6036718 |
Bladderless blood pressure cuff
A blood pressure cuff having a pair of flexible gas-impermeable sheets wherein each of the sheets has an inner and an outer side and wherein the inner sides are placed in contact and the edges of...
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6036652 |
Blood pressure estimating apparatus and method
An apparatus for successively estimating an intraarterial blood pressure of a living subject, based on information non-invasively obtained from a circulatory organ of the subject, including: a...
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6027453 |
Blood pressure monitoring apparatus and method
An apparatus for monitoring a blood pressure of a living subject, including: a first judging device for judging whether a physical parameter which is obtained from the subject and which changes in...
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6022320 |
Blood pressure monitor apparatus
A blood pressure (BP) monitor apparatus including a BP measuring device which measures a BP value of a living subject by changing a pressing pressure of a cuff, an estimated blood pressure (EBP)...
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6019729 |
Sensor mechanism-equipped catheter
A sensor mechanism-equipped catheter is easy to produce, suitable for a diameter reduction, and achieves a high sensing precision. In a catheter, a sensor assembly has a pressure-receiving piston,...
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6017314 |
Segmented estimation method
A method for determining blood pressure of an artery includes the steps of applying a pressure to the artery, sensing pressure data produced by the artery and deriving parameters for the sensed...
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6010845 |
Leukocyte adhesion assay
This invention provides a method of assaying leukocyte binding to vascular tissue which comprises contacting a suspension of a monocyte-like cell line in a suitable medium with a human vascular...
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5984874 |
Pressure and temperature sensor transducer array
A pressure or temperature sensor array utilizing a combination of liquid crystal material and charge coupled device (CCD) sensor array. The device generally comprises a liquid crystal material...
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5980463 |
Method for respiratory tidal volume measurement
A method obtains physiologic parameter information of an animal or human, such as respiratory tidal volume, from a blood pressure signal from an implanted blood pressure sensor in the animal or...
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5980464 |
Apparatus for evaluating exercise function of person
An apparatus for evaluating an exercise function of a person who undergoes an exercise load, including a pulse-rate measuring device which successively measures a pulse rate of the person in...
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5976095 |
Noninvasive blood pressure sling
A sling for use with a noninvasive blood pressure monitor which is designed to minimize contact by external objects with an inflatable cuff which surrounds a patient's limb during blood pressure...
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5971931 |
Biologic micromonitoring methods and systems
Methods and systems for monitoring biologic conditions including microsensors, wireless telemetry, expert systems, monitoring stations, and communication abilities. The methods and systems of the...
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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:...
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5938618 |
Method of positioning a sensor for determining blood pressure of an artery
The present invention is a method for locating a sensor over an underlying artery having a blood pulse. The sensor is positioned at a plurality of locations above a known appoximate location of the...
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5921935 |
Method and apparatus utilizing heart sounds for determining pressures associated with the left atrium
Non-invasive apparatus and method for obtaining a quantitative determination of mean left atrial transmural pressure or otherwise obtaining a quantitative determination of a left atrial pressure...
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5921936 |
System and method for evaluating the circulatory system of a living subject
A system that accurately evaluates a living subject's circulatory system, even if the living subject is taking high blood pressure medication includes a time-difference determining device that...
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5902248 |
Reduced size catheter tip measurement device
A device that contemplates a unique and advantageous reduced size catheter tip measurement device. By using a bottom support member and a thin outer insulating layer, rather than a tubular metal...
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5889212 |
Dual chamber differential pressure transducer with multiple inlet and outlet ports
A single, disposable differential transducer having a molded plastic body in which there is a pair of chambers separated by a strain gage electronic chip that flexes in accordance with the...
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5882311 |
Calibration for blood pressure pulses
Disclosed is an improved arrangement for allowing more accurate automatic calibration for a system in which blood pressure pulses are derived for remote sites from a calibrated measurement and a...
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5876346 |
Artery locating device
The present invention relates to an artery locating device (10) which comprises a housing (18) comprising a housing power means access (18A), a housing bottom (18B), a housing front (18F), and a...
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5876348 |
Blood pressure monitoring apparatus
During a noninvasive blood pressure measurement using a cuff 2, a pulse wave propagation time T1 from the appearance of the peak value of an R wave in an electrocardiogram (ECG) waveform to the...
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5876347 |
Method for vascular impedance measurement
A vascular impedance measurement instrument includes a transducer to obtain a digitized arterial blood pressure waveform. The digitized data is used to determine cardiac output, and to subsequently...
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5873834 |
Blood pressure detecting device
The blood pressure detecting device includes a blood pressure meter, a physiological detector, and a processing unit. The processing unit stores an equation to convert the value of the...
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5865755 |
Method and apparatus for non-invasive, cuffless, continuous blood pressure determination
Arterial blood pressure of a subject is determined by detecting the EKG for the subject and selecting a fiducial point on the EKG during a pulse. Apparatus is provided for monitoring blood volume...
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5865758 |
System for obtaining hemodynamic information
A system (method and apparatus) for hemodynamic measurements of the cardiac activity, including the stroke volume and cardiac output on the basis of a blood pressure pulse wave of a patient. Using...
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5865756 |
System and method for identifying and correcting abnormal oscillometric pulse waves
A system and method for identifying and correcting abnormal oscillometric pressure pulse waves detects oscillometric pressure pulse waves produced by a cardiac muscle of a living subject,...
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5853371 |
System and method for evaluating the degree of arterial elasticity in a living subject
A system and method for evaluating the degree of elasticity of a subject's arteries includes an inflatable cuff that is wrapped around a portion of the living subject. A cuff pressure regulating...
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5853372 |
Near infra-red signal processing system
A signal processing system which utilizes a near infra-red sensor signal to monitor the heart pulse rate of a user. The signal processing system is used to control and monitor the output of the...
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