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6371922 |
Method for measuring baroreflex sensitivity and therapy optimization in heart failure patients
A method and apparatus for determining the baroreflex sensitivity in a chronic heart failure patient and a method for chronic heart therapy evaluation. The method including providing a series of...
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6368283 |
Method and apparatus for estimating systolic and mean pulmonary artery pressures of a patient
The method of estimating systolic and mean pulmonary artery pressures of a patient, comprising the steps of (a) producing an electric signal x s (t) representative of heart sounds of the patient;...
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6368282 |
Apparatus for measuring pulse-wave propagation velocity
An apparatus for measuring a propagation velocity of a pulse wave which is propagated through an artery of a living subject, the apparatus including an electrocardiographic-waveform detecting...
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6366811 |
Extraction of hemodynamic pulse pressure from fluid and myocardial accelerations
A cardiac stimulating apparatus and method is described that non-intrusively determines an amount indicative of hemodynamic pulse pressure from an accelerometer signal. The amount indicative of...
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6361501 |
Pulse wave diagnosing device
When pulse waveform MH is detected by pulse wave detection sensor unit 130, wavelet transformer 10 performs wavelet transformation on pulse waveform MH and generates analyzed pulse wave data...
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6354998 |
Blood pressure determining apparatus and method of determining excitation frequency used in the same
A blood pressure determining apparatus is provided which applies oscillations to the blood vessel of a subject through an exciter to determine the blood pressure based on the frequency of the...
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6348038 |
Method and apparatus for the measurement of cardiac output
A method for the measurement of cardiac output in a patient in which the arterial blood pressure waveform of a patient from a blood pressure monitoring device over a period of time is subjected to...
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6346083 |
Blood-pressure measuring device
A blood-pressure measuring apparatus including a cuff having an inflatable bag, a first pulse-wave sensor which detects a first pulse wave propagated to the bag, a second pulse-wave sensor which...
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6346084 |
Measuring vascular access pressure
Access pressure for the vascular system is measured through a first tube, which is connected to the vascular system of a patient. The method comprises the following steps: connecting one end of...
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6336900 |
Home hub for reporting patient health parameters
An apparatus for reporting a patient's health parameter to a remote data management center. The apparatus has measurement units and a home hub. A measurement unit includes a sensor for sensing...
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6334849 |
Heart-function monitor apparatus
An apparatus for monitoring a function of the heart of a person, including a pre-ejection period measuring device which non-invasively measures a pre-ejection period, an ejection-period measuring...
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6331162 |
Pulse wave velocity measuring device
A pulse wave velocity measuring device generally comprises first and second photoplethysmographic transducers or probes electrically operably connected to a computer. The transducers are positioned...
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6331161 |
Method and apparatus for fabricating a pressure-wave sensor with a leveling support element
A method and an apparatus for fabricating a pressure-waveform sensor with a leveling support element. One embodiment provides a pressure-waveform sensor having a housing, a support element, and a...
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6328699 |
Permanently implantable system and method for detecting, diagnosing and treating congestive heart failure
The invention provides improved apparatus and methods for treating congestive heart failure in a medical patient. The apparatus includes a pressure transducer permanently implantable within the...
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6325761 |
Device and method for measuring pulsus paradoxus
A device and method are disclosed for electronically measuring the degree of pulsus paradox in a patient from a single patient date source. The single data source may be any device that outputs a...
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6322515 |
Method and apparatus for the non-invasive detection of medical conditions by monitoring peripheral arterial tone
A method and apparatus for non-invasively determining a physiological condition. The method can include steps of monitoring peripheral arterial tone using an external sensor, detecting a change in...
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6315733 |
Apparatus and method for continuous measurement of portal blood pressure
A method and a device for the intermittent or continuous measurement of portal blood pressure using a tamponade balloon inserted into the esophagus and stomach and a sensor positioned on the...
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6315719 |
System for long-term remote medical monitoring
A system for long-term remote medical monitoring is especially suitable for the medical supervision of astronauts onboard a space station. The system includes at least one autonomous sensor unit...
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6312387 |
Method and apparatus for identifying heartbeat
The invention relates to a method and an apparatus for identifying a heartbeat. In the method, an arterial pressure signal is measured in the form of multichannel measurement, and the required...
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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...
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6309350 |
Pressure/temperature/monitor device for heart implantation
A medical monitoring apparatus designed to be implanted in the vascular system is capable of sensing and transmitting via a telemetry link to an external monitor both pressure and temperature...
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6302849 |
Maternal and fetal monitor
A maternal blood pressure measuring method including the steps of periodically initiating a maternal blood pressure measurement, sensing uterine activity, preventing the initiation or continuation...
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6293915 |
Pulse wave examination apparatus, blood pressure monitor, pulse waveform monitor, and pharmacological action monitor
An FFT treating section (40) carries out the frequency analysis of a pulse waveform MHj excluding a body movement component to yield pulse wave analysis data MKD and then a tidal wave-character...
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6290650 |
Tonometry system for monitoring blood pressure
A system for noninvasively continuously monitoring arterial blood pressure includes a tissue stress sensor that has a continuous diaphragm for sensing stress within tissue adjacent a preselected...
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6280389 |
Patient identification for the pacing therapy using LV-RV pressure loop
A method and apparatus for determining whether a patient with congestive heart failure (CHF) will benefit from pacing therapy through the use of an implantable cardiac rhythm management device. A...
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6280390 |
System and method for non-invasively monitoring hemodynamic parameters
A system for non-invasively monitoring at least one hemodynamic vascular parameter of an individual is disclosed. The system comprises (a) at least two infrared detectors being positionable in a...
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6264612 |
Catheter with mechano-responsive element for sensing physiological conditions
A catheter for sensing vertebrate conditions has plural piezoresistive sensors directly electrically coupled to discrete application specific integrated circuits. A mechano-responsive element is in...
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6264611 |
Monitor for interventional procedures
A ball-shaped semiconductor monitoring device (150) having one or more transducer functions for use with an instrument that is insertable into a human body. In one disclosed embodiment, a needle...
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6254544 |
Heart-function monitor apparatus
An apparatus for monitoring a function of a heart of a person, including a pre-ejection period measuring device which non-invasively measures a pre-ejection period, an ejection-period measuring...
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6251081 |
Blood-pressure monitoring apparatus
A blood-pressure monitoring apparatus including a measuring device which periodically measures a blood-pressure value of a living subject at a predetermined period, and a predicting device or...
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6245022 |
Non-invasive blood pressure sensor with motion artifact reduction and constant gain adjustment during pressure pulses
A non-invasive blood pressure sensor includes a first fluid filled sensing chamber having a diaphragm. A first transducer is fluidly coupled to the first sensing chamber to sense fluid pressure...
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6241679 |
Non-invasive blood pressure sensing device and method using transducer with associate memory
The present invention is an improvement to a non-invasive blood pressure sensing device and method. The present invention is an improvement that includes a transducer with an associated memory or...
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6234972 |
Mechanism for measuring device
A gage mechanism for a blood pressure measuring device or other similar apparatus includes a supported shaft member having one end in contact with an inflatable bellows. A pointer is attached at an...
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6231523 |
Pain information detecting device
A cuff (200), having a blood shutting bag (210) and a detection bag (220), is attached to an upper arm of a patient and a main device unit (100) is made to operate. A CPU (130) performs the...
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6233486 |
Ischemia detector and heart stimulator provided with such an ischemia detector
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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...
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6228034 |
Apparatus and method for non-invasively monitoring a subjects 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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6228033 |
Apparatuses and methods for a noninvasive measurement of physiological parameters
The present invention relates to apparatuses and methods for measuring three important physiological systems, circulation, breathing, and body water compartments. More specifically, the present...
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6228035 |
Universal cuff for a blood pressure monitor
A universal cuff for a blood pressure monitor that has a usable length that is variable so that it can be used on a wide range of arm circumferences. The universal cuff includes a mechanism for...
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6224559 |
Device for high-resolution, noninvasive blood pressure measurement
A device for the noninvasive blood pressure measurement with a cuff and with a corresponding control and evaluating circuit. The device provides improvements in terms of the signal resolution. On...
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6221012 |
Transportable modular patient monitor with data acquisition modules
Patient monitoring apparatus for use in an environment which includes a plurality of sensors. The apparatus provides collection and display of patient data signals collected from a medical patient...
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6217522 |
Method and system for determination of the pressure-volume relationship of the heart
A pressure volume loop of the heart of a patient is obtained utilizing an electrocardiograph and a brachial-artery pressure cup pressure-measurement system having an echo-Doppler sensor positioned...
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6214634 |
Sensor device and method of forming a sensor device
A sensor device (20) comprises a sensor package (22) having a cavity (24) formed therein, a sensor die (26) mounted on a bottom surface (28) of the cavity (24) and a protective coating (30) formed...
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6210340 |
Blood pulse measuring device, pulsation measuring device, and pressure measuring device
A pulse wave measuring device is provided with a plurality of pulse wave measuring units. Each pulse wave measuring unit has a supporting member to which a beam of a pressure measuring device is...
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6206835 |
Remotely interrogated diagnostic implant device with electrically passive sensor
An implant device is provided which is responsive to an external interrogation circuit. The implant device includes a structure implantable within a living animal and operatively configured to...
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6206834 |
Stiffened hollow vascular device
The medical appliance has an elongated tubular shaft with a lumen extending therethrough and slots in the distal area for pressure medium entry into the lumen. A stiffening means in the form of an...
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6206836 |
Battery-operated device, in particular a blood pressure measuring device
A battery-operated device, for example, a blood pressure measuring device, consists essentially of a housing (2) and a compartment (3) to accommodate batteries. The compartment (3) is rotatably...
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6186953 |
Non-invasive and continuous blood-pressure estimation apparatus
An apparatus for iteratively estimating an intra-arterial blood-pressure value of a living subject, including a first information obtaining device which non-invasively and iteratively obtains...
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6183424 |
Pressure measuring guide wire
The pressure measuring guide wire comprises an elongated flexible shaft with a lumen extending therethrough. The lumen is surrounded by a wall forming the shaft and the distal portion of which is...
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6179783 |
Passive/non-invasive systemic and pulmonary blood pressure measurement
An apparatus, operation and method for measurement of systemic and/or pulmonic blood pressure. The present invention offers a passive non-invasive method and system that can be used where...
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