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4911176 |
Threshold penile rigidity measuring device
An apparatus (10) for measuring a predetermined penile rigidity or hardness in a penile tumescent event. The apparatus (10) includes a band-like structure (12) for releasably engaging a penis (11)....
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4877035 |
Measurement of the end-systolic pressure-volume relation using intraaortic balloon occlusion
Novel, noninvasive in vivo methods and apparatus for measuring the end-systolic pressure-volume relation and deriving peak end-systolic elastance, E max , which do not alter intrinsic or...
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4875488 |
System for measuring the volume of a part of a human body
A system for measuring the volume of a part of a human body such as an arm, for diagnostic purposes, is disclosed measuring instrument comprises an outer tube and an inner tube made of flexible...
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4869261 |
Automatic noninvasive blood pressure monitor
An automatic noninvasive blood pressure monitor with a continuous correction of the setpoint and of the gain without interruptions of the blood pressure measurement has a pressure vibration...
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4858620 |
Warning system for excessive orthopedic pressures
A small, inexpensive, but reliable pressure warning system includes a plurality of pressure sensors which are disposed between an orthopedic restraining member and an injured portion of a patient's...
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4848361 |
Nocturnal penile tumescence and rigidity monitor with removable loops
A penile rigidity and tumescence monitor and apparatus including a transducer apparatus (20) for providing output signals indicative of penile rigidity and tumescence throughout a penile tumescent...
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4840182 |
Conductance catheter
Conductance catheter apparatus for measuring the volume of a biological chamber, the apparatus including a catheter employing a plurality of electrodes along its length, the plurality including...
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4747415 |
Method and device for measuring penile rigidity
A method and a device for measuring the penile rigidity of a patient. The device comprises a cuff including a non-elastic tissue band having one of its faces entirely covered with a plastic...
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4606353 |
Nocturnal penile tumescence and rigidity monitor and method
A penile rigidity and tumescence monitor apparatus is disclosed. The monitor apparatus includes a transducer apparatus (20) for providing output signals indicative of penile rigidity and tumescence...
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4574812 |
Arterial thrombus detection system and method
An arterial thrombus detection system (4) measures and displays the elapsed times (ET1, ET2, etc.) for an arterial pulse to travel between selected pairs of locations (A and B, B and C) along the...
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4566463 |
Apparatus for automatically measuring blood pressure
An automatic blood pressure measuring apparatus including an occluding device having a cuff to apply a pressure to a body member of a subject, and a blood-pressure determining device to determine a...
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4548211 |
Computer assisted admittance plethysmograph
An improved method and apparatus for measuring the pulsatile volume and net inflow in a body segment (e.g. a limb) is disclosed. An amplitude stabilized oscillator of high quality is utilized,...
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4524777 |
Automatic, continuous and indirect blood pressure measurement apparatus
An apparatus which can measure the blood pressure automatically, continuously and indirectly, is provided. The apparatus is implemented basing upon the theory of volume compensation method and is...
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4469108 |
Device for measuring penile tumescence and rigidity
A device for measuring tumescence and rigidity of the penis during erection has a first portion receivable about the base of the penis and actuable from an initial condition to an expanded...
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4452252 |
Non-invasive method for monitoring cardiopulmonary parameters
A method for monitoring cardiopulmonary events is disclosed. The basic method comprises looping an extensible conductor (14) in close encircling relation about the neck (12) of the subject (10),...
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4450527 |
Noninvasive continuous cardiac output monitor
The invention provides apparatus and methods for using the electrical bioimpedance measurements to monitor parameters associated with blood flow in a segment of body tissue. The invention...
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4432374 |
Plethysmographic acceleration pulse wave meter
A plethysmograph is provided with a sensor for detecting an increase or decrease in the blood volume of a vascular bed, preferably by photoelectrically detecting blood content in a finger-apex...
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4428385 |
Device for measuring male potency
A simple and inexpensive device for measuring radial expansion of tube-like structures which is particularly useful to measure male potency. A radially expansible loop comprising a flexible,...
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4418700 |
Method and apparatus for measurement of heart-related parameters
The invention relates to a method and apparatus for determining the magnitude of heart-related parameters in a patient. In accordance with the invention, blood volume variation of a peripheral part...
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4296754 |
Method for determining the value of cardiologic quantities and apparatus for performing said method
The application concerns a method for determining the value of cardiologic quantities and an apparatus for performing such method. In accordance with the invention capacities and capacity...
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4258720 |
Strain gauge plethysmograph
A strain gauge plethysmograph is provided comprising an elastic tubular member (2) filled with a non-mercury electrically conductive gallium-indium alloy which is fluid at room temperature. The...
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4205688 |
Method and apparatus for developing and measuring pulsed blood flow
A blood flowmeter responsive only to the pulsatile component of blood flow is combined with apparatus for converting normal blood flow in a limb to fully pulsated flow to provide accurate zero...
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3847142 |
BLOOD FLOW MEASURING APPARATUS AND METHOD
A portable apparatus and method for determining the rate of blood flow uses the relationship between volume and circumference changes in a limb. A change in limb circumference is measured over a...
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3677648 |
METHOD AND APPARATUS FOR THE MEASUREMENT OF DYE DILUTION IN BLOOD
A method for determining cardiac volume parameters wherein a test dye is added to blood and a photometric measurement of the light absorption of dyed blood is carried out by an electro-optical...
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3570474 |
APPARATUS FOR QUANTITATIVE INDICATING OF SMALL AND RAPID VOLUME CHANGES IN A PART OF AN EXTREMITY
In an apparatus for quantitative indicating of small and rapid volume changes in a part of an extremity there is provided a plethysmograph with a rigid shell and a number of pivoted rigid plates at...
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3545430 |
ADJUSTABLE ELECTRODE ARRANGEMENT FOR CAPACITANCE PLETHYSMOGRAPHY
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3464403 |
SENSING DEVICE FOR A PLETHYSMOGRAPH
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3398740 |
Sensing device for plethysmographic apparatus
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3381682 |
Adjustable electrode assembly for a plethysmograph
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3361129 |
Annular electrode assembly for a plethysmograph
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3313293 |
Multi-electrode needle
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