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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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5840036 |
Blood pressure measuring apparatus
A blood pressure measuring system includes a transducer having first and second sensors adapted to be mounted above the artery of a patient with the second sensor more distal relative to the...
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5833619 |
External blood pressure sensor apparatus and method
An apparatus and method for measuring the blood pressure of a patient with a permanent or temporary cardiac assist device throughout an entire cardiac cycle by partially filling the inflatable...
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5830129 |
Process and apparatus for measuring blood flow through an organ or other biological tissue
A process for measuring parameters of organs and tissues, especially blood flow through an organ, particularly the liver, is based on a medical technology apparatus that can be constructed in...
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5803907 |
Peripheral vascular disease testing
The present invention provides an diagnostic apparatus and method for physiologically measuring the biological responses of a selected group of muscles during exercise. Biological responses...
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5791347 |
Motion insensitive pulse detector
A motion insensitive pulse detector for detecting a patient's pulse includes an exciter adapted to be positioned over a blood vessel of the patient and configured to induce a transmitted exciter...
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5788634 |
Multi purpose sensor
The multi-purpose sensor includes a pair of arms, light-emitting device and light-receiving device that are fitted in an end portion of the arms, respectively, and electrodes that are made of an...
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5785659 |
Automatically activated blood pressure measurement device
A monitor for activating a sphygmomanometer attached to a patient includes a sensor attached to the patient to generate a sensor signal representative of a physiological parameter. This sensor can...
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5778879 |
Electronic blood pressure meter with posture detector
This invention provides an electronic blood pressure meter which can measure blood pressure with great accuracy. The angle of inclination is detected by inclination sensor and the height of the...
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5766130 |
Vascular testing method
The present invention relates to a method for vascular testing for diagnosing circulatory and secondary nervous disorders. The method allows a non-technical person to rapidly plot blood pressure...
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5758657 |
Pressure transducer positioning system and method
An optical system for positioning a pressure transducer relative to a patient to provide for accurate measurement of bodily fluids within the patient. A light source such as a laser is used to...
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5752520 |
Laser levelling device
A laser levelling device for use in conjunction with apparatus for evaluation of compartment pressures of a patient, and a process. The evaluation includes at least one of diagnosis, monitoring and...
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5746698 |
Method and device for determining brachial arterial pressure wave on the basis of nonivasively measured finger blood pressure wave
Method and device for determining a proximal arterial blood pressure waveform in a person, starting from a distally measured arterial pressure waveform, by first applying age-dependent waveform...
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5743267 |
System and method to monitor the heart of a patient
A system and method for monitoring a physiological attribute of a patient is disclosed. The system includes a measuring device to measure an absolute physiological attribute of a patient and to...
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5743268 |
Noninvasive hemodynamic analyzer alterable to a continuous invasive hemodynamic monitor
A noninvasive method for calculating Actual Stroke Volume and Cardiac Output of a human heart uses computerized algorithms, and is implemented in a continuous noninvasive hemodynamic analyzer which...
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5738612 |
Exercise apparatus having exercise-load changing function
An exercise apparatus including an exercise-load applying device which applies an exercise load to a person such as a patient, an exercise-load changing device which changes the exercise load...
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5735286 |
Apparatus and process for measuring and processing physiological signals
An apparatus and process for measuring and processing physiological signals is portable, and have a device for capturing (3, 3'), shaping (4, 4') and digitizing (5) continuously at least one...
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5735799 |
Pulse-wave processing device
A device includes a pulse wave detection device that detects pulse waves; a pressure detection device that detects a pressure; a pulse wave processing device; and a display of displaying pulse wave...
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5730138 |
Method and apparatus for diagnosing and monitoring the circulation of blood
A method and apparatus for diagnosing the circulation of blood. A pressure measurement instrument is provided to measure the waveform of the blood pressure in an artery of a patient. An analyzer is...
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5730137 |
Medication delivery control and pulse wave detection apparatus
A microcomputer performs a frequency analysis of pulse waves which are taken at regular time intervals from a patient through a pulse wave detection section. Then, if the amplitudes and phases of...
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5727559 |
Method and device for increasing hand vascular resistance during blood pressure measurement
The vascular resistance to blood flow through the hand is increased in an essentially uniform manner by the application of pressure to the hand. The pressure is applied by means of an inflatable...
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5727558 |
Noninvasive blood pressure monitor and control device
A noninvasive blood pressure monitoring and controlling device is provided which selectively stimulates the human body's own baro-receptors with electromagnetic or ultrasonic wave energies.
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5722399 |
Device for measuring the pressure of a liquid and method for regulating such a device
A liquid treatment apparatus includes a sensor which is sensitive to a variation in gas pressure and which generates signals indicative of sensed pressures. The apparatus also included a casing...
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5722414 |
Continuous non-invasive blood pressure monitoring system
A sensor having a sensing surface for sensing blood pressure within an underlying artery of a patient includes a transducer, a sidewall, a flexible diaphragm and a fluid coupling medium. The...
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5720292 |
Beat onset detector
A method for identifying an onset of a first heart beat includes sensing blood pressure over time to produce a plurality of blood pressure samples, each sample having a corresponding blood pressure...
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5715826 |
Method and device for assessing the state of blood vessels
A method and device for use in assessing the state of blood vessels within the human or animal body is provided. A vessel segment is identified for investigation, and at least one blood pressure...
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5713350 |
Patient information analysis management system and method
In medical facilities in which medical treatments are performed at a plurality of locations, the state of a patient can be continuously and time-serially determined even if the location at which...
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5711302 |
Disposable transducer with digital processing and readout
A self-contained battery operated disposable blood pressure monitor having a semi-conductor transducer therein, the front side of which is intended to be fluid communication with an incompressible...
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5709212 |
Blood pressure measuring apparatus
A blood pressure measuring device includes: a memory for storing a standard constant α; an input means for inputting a correcting blood pressure value; a time interval reference point detection...
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5697376 |
Physical information collection system
A physical-information collecting system for collecting physical information of living subjects, including a registering device which registers sets of identification data each of which identifies...
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5692513 |
Noninvasive-blood-pressure(NIBP) monitoring apparatus with noninflatable, pressure-information-providing (PIP) structure
Noninvasive-blood-pressure (NIBP) monitoring apparatus is disclosed which is usable to perform either oscillometric or auscultatory NIBP. The apparatus includes relatively adjustable,...
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5692512 |
Blood pressure measuring module
Apparatus for measuring blood pressure is housed in a hermetically sealed, small casing, which is sealed in dust, water and pressure-tight manner by a film on the outside of the casing's cover and...
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5693008 |
Dialysis blood tubing set
A combination pressure pod and access site apparatus is suitable for use in a medical tubing set. The combination pressure pod and access site comprises a pressure sensing chamber and a measured...
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5691478 |
Device and method for remote zeroing of a biological fluid pressure measurement device
A device and method for remotely zeroing a hydrostatic pressure compensation device are described which permit a fluid transducer, such as is used in conjunction with an intravenous catheter for...
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5687732 |
Blood pressure monitor
A blood pressure monitor includes a main body provided with a power switch and an inflating switch, a cover mounted on the main body in an open-and-close fashion and on an inner wall thereof...
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5687731 |
Oscillometric method for determining hemodynamic parameters of the arterial portion of patient's circulatory system and a measuring system for its realization
An oscillometric method for determining hemodynamic parameters of the arterial portion of patient's circulatory system, consisting in recording the pulse pressure waves in the major arterial vessel...
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5682898 |
Respiration rate measuring apparatus
An apparatus is provided for measuring a respiration rate of a living subject, including a pulse rate measuring device which iteratively determines a pulse rate of the subject based on a pulse wave...
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5676140 |
Non-invasive blood pressure measurement device
A non-invasive blood pressure measurment device including: a cuff, a pressure detector for detecting a cuff pressure; a cuff pressure control pump for linearly increasing or decreasing the cuff...
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5651368 |
Blood pressure cuff cover
A cover for enclosing a blood pressure cuff. The inventive device includes a cuff envelope for receiving the blood pressure cuff. A window panel extends through the cuff envelope for permitting...
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5647369 |
Apparatus and methods for the noninvasive measurment of cardiovascular system parameters
Apparatus and methods for noninvasively measuring cardiovascular system parameters. According to a first preferred embodiment, the apparatus generates a time varying electrical voltage waveform...
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5642733 |
Blood pressure sensor locator
A blood pressure sensor locator for locating a blood pressure sensing device over an underlying artery of a patient includes a base, an adhesive on an underside of the base for coupling the base to...
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5634461 |
System for measuring blood oxygen levels
A system and software is described for calculating, in real-time, the mixed venous partial pressure of oxygen in a patient. The system uses a computer, an arterial pressure line and a blood...
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5634467 |
Method and apparatus for assessing cardiovascular performance
A method of assessing the cardiovascular performance of a subject, by: applying periodically, in synchronism with every n th heart cardiac cycle wherein "n" is at least two, external pressure...
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5632278 |
Device for automatically measuring the blood pressure
A blood pressure measuring device comprises a sphygmomanometer cuff, a pressure generation device, a pressure sensor, a valve for controllably venting the cuff, and a control unit for controlling...
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5617869 |
Device and method for locating flow blockage in a three-dimensional object
A method and apparatus for locating artery stenoses in blood vessels incls providing an array of sensors on skin surface to acquire data for detecting, locating and analyzing energy emissions in...
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5590661 |
Blood pressure measuring apparatus
A blood pressure measuring apparatus including a surface-pressure sensor having a pressure sensing element in a press surface thereof to detect a pressure at the press surface pressed on subject's...
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5586555 |
Blood pressure monitoring pad assembly and method
An improved blood pressure monitoring pad assembly and its method of use are disclosed herein. In accordance with a first feature of the pad assembly a release mechanism is used to prevent the pad...
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5584299 |
Heart pulse wave detecting device using iterative base point detection
A CPU of a control unit receives a blood pressure pulse wave signal, through an AC amplifier and an A/D convertor. The CPU differentiates, for the smoothing of the waveform, the heart pulse wave...
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5579774 |
Method and apparatus for monitoring local cerebral physiology
An apparatus for continuous monitoring of cerebral blood flow and intracranial pressure for substantially the same local region of cerebral tissue. A combined probe includes an elongated housing...
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5568815 |
Self-powered interface circuit for use with a transducer sensor
An interface circuit for interfacing a semiconductor transducer sensor to a patient vital signs monitor is disclosed. In one embodiment, the interface circuit includes a power supply circuit that...
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