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7608042 |
Blood monitoring system
The present invention is directed towards apparatuses and methods for the automated measurement of blood analytes and blood parameters for bedside monitoring of patient blood chemistry....
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7326576 |
Raman spectroscopic monitoring of hemodialysis
Spectroscopic systems and methods are disclosed for determining levels of at least one analyte in blood undergoing hemodialysis. In one aspect, the invention employs Raman spectroscopy to monitor...
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7155269 |
Stress evaluation apparatus
A stress evaluation apparatus includes an impedance measuring unit for measuring an impedance of a fluid discharged from a living body; a temperature measuring unit for measuring a temperature of...
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7041057 |
Tissue interface device
A tissue interface device ( 10 ) suitable for positioning on or about one or more artificial openings in a biological membrane of an organism and for coupling to a monitor and control unit and a...
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6911007 |
Method for determining concentration; a dialyser
A method for determining the concentration of an ion, atom or molecule bound in a complex. A reliable determination of the concentration of the ion, atom or molecule to be determined is possible in...
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6860866 |
Method of determining the efficiency of a dialyzer of a dialysis machine and a dialysis machine for carrying out this method
A method and a device for determining the efficiency of a dialyzer of a dialysis machine during a dialysis treatment wherein the dialyzer is divided by a semipermeable membrane into a blood chamber...
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6591126 |
Microdialysis system
The invention concerns a microdialysis system comprising a microdialysis probe ( 12 ) that can be inserted into organic tissue ( 10 ) and has a dialysis membrane ( 28 ) to separate a probe channel...
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6434409 |
Determination of glucose concentration in tissue
The present invention concerns a method for determining and monitoring tissue glucose concentration. Additionally, the present invention concerns a measuring apparatus to determine and monitor...
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6224550 |
Method for monitoring the level of an osmotically active component in body fluid and device for carrying out said method
A method for monitoring changes in the level of an osmotically active component, such as for instance glucose, or in healthy humans, such as athletes for monitoring the level of lactic acid in the...
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6217539 |
Method of in-vivo determination of hemodialysis parameters and a device for carrying out the method
To be able to optimize the hemodialysis treatment process, in-vivo determination of important parameters, such as the exchange efficiency of the dialyzer, represented by the dialysance or...
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6171238 |
Portable hand-held device with a biosensor
The invention pertains to a portable hand device with biosensor for the investigation of biological fluids such as whole blood, liquor, urine and serum. It is characterized by a securely fixed...
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6099470 |
Monitor for diffusable chemical substance
A monitor for analyzing a body fluid for diffusable chemical substances has a liquid filled probe, for example a catheter, having a region contactable with the body fluid within the body and...
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6013029 |
Monitoring the concentration of a substance or a group of substances in a body fluid
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5957839 |
Apparatus and method for continuous monitoring of tissue gas composition and pH using recirculating gas tonometry
A tonometry catheter apparatus comprises an elongate, flexible, multilumen tube having a proximal end to be positioned outside the human body and a distal end to be positioned within a portion of...
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5685301 |
Apparatus for precise determination of operating characteristics of optical devices contained in a monitoring probe
The apparatus of the present invention characterizes the operating characteristics of a medical monitoring probe in a more comprehensive and accurate manner than is heretofore known in the prior...
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5685300 |
Noninvasive and in-vitro measurement of glucose and cholesterol by nuclear magnetic resonance spectroscopy
A method of noninvasive and in-vitro glucose and cholesterol concentration measurement employing nuclear magnetic resonance (NMR) spectroscopy is described. The measurement comprises a ratio formed...
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5542419 |
Noninvasive method to detect gastric Helicobacter pylori
The present invention provides a method for measuring dissolved inorganic carbon (DIC) in body fluids. The method can be used to measure DIC in blood, serum, plasma, urine, sweat, saliva, lacrimal...
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5338435 |
Integrated circuit hydrated sensor apparatus
A plastic covered nonconducting substrate with an electrical circuit means is secured to the extent to withstand the presence of liquids in contact with the substrate. The covered substrate can...
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5193545 |
Device for determining at least one medical variable
A device designed for determining one or more medical variables in living organisms, comprises a part to be inserted into the tissue of the organism, which has an exchange channel with openings...
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5165406 |
Electrochemical sensor apparatus and method
A sensor assembly for a combination infusion fluid delivery system and blood chemistry analysis system includes a sensor assembly with each of the assembly electrodes mounted in an electrode cavity...
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5097834 |
Process for determining parameters of interest in living organisms
In order to determine at least one parameter of interest in a living organism, a perfusion fluid is directly introduced in the tissues. After its partial balancing by the tissue parameter of...
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5063930 |
Disposable probe for the determination of vaginal pH and other indices
A disposable probe made of a transparent plastic material, for the determination of vaginal pH and other indices, including a small pipe with a closed head, a hole provided near the head and one or...
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4951683 |
Device for detecting keratoconjunctivitis sicca
A device for detecting keratoconjunctivitis sicca (KCS) utilizing a probe including a body having an end portion. A plurality of electrical contacts are mounted in spaced configuration at the end...
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4901727 |
Micro-probe for gas sampling
A catheter probe for use in the analysis of gases absorbed in liquids, particularly suitable for the in vivo analysis of blood gases, the probe includes an equilibration chamber disposed within the...
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4852025 |
System for determining the concentration of components of body fluids
The disclosed system determines the concentration of components of body fluids using test carriers and an instrument to evaluate the test carriers. The instrument has an electronic evaluating...
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4832034 |
Method and apparatus for withdrawing, collecting and biosensing chemical constituents from complex fluids
An anisotropic hollow fiber membrane is utilized to sample fluids for selected substances by convective flow of liquid and such substances, with conduct of the liquid to a sensor for analysis for...
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4798207 |
Device for enabling time-integrated measurement of substances in biological fluids
A device for enabling a measurement of the time integral of concentrations of substances in a biological fluid, without the necessity to collect samples of that fluid, is disclosed for...
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4791932 |
Extracorporeal sensing module
An extracorporeal sensing module for use in monitoring parameters of body fluids such as temperatures, concentrations of various ions, gases and other components, is in the form of a tube-like...
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4774955 |
Programmable dialyzer system analyzer and method of use
An apparatus and a method of use for removing specified dialyzable components from a complex reference fluid such as, for example, blood. The invention includes a semi-permeable tubular dialysis...
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4765339 |
Closed loop dialysis system
An apparatus and a method of use for removing specified dialyzable components from a complex reference fluid such as, for example, blood. The invention includes a semi-permeable tubular dialysis...
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4763658 |
Dialysis system 2nd method
An apparatus and a method of use for removing specified dialyzable components from a complex reference fluid such as, for example, blood. The invention includes a semi-permeable tubular dialysis...
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4735777 |
Instrument for parallel analysis of metabolites in human urine and expired air
An apparatus for measuring metabolites contained in human expired air and for measuring metabolites contained in human urine and for extracting a correlation between the metabolite data in the...
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4726381 |
Dialysis system and method
An apparatus and a method of use for removing specified dialyzable components from a complex reference fluid such as, for example, blood. The invention includes a semi-permeable tubular dialysis...
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4705503 |
Metabolite sensor including a chemical concentration sensitive flow controller for a drug delivery system
A system for the measurement of a metabolite in a physiological fluid is disclosed which comprises a catheter which includes an internal metabolite sensor downstream from a semipermeable region...
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4694832 |
Dialysis probe
A dialysis probe, primarily intended for insertion in biological tissues, for example brain tissue, comprises a dialysis membrane and ducts for flow of the perfusion fluid over the membrane. The...
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4643192 |
Hollow viscus tonometry
Ischemia in a hollow internal organ can be detected in its incipient stages by obtaining a CO 2 sample from within the organ of interest, measuring the partial pressure of CO 2 sample, measuring...
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4594326 |
Time-integrated measurement for determining substances in biological fluids
A method for obtaining a measurement of the time integral of concentrations of substances in a biological fluid, without the necessity to collect samples of that fluid, and a device useful in the...
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4534825 |
Method of making an electrochemical sensing cell
An in vivo electrochemical monitoring device is formed by a catheter-like member which terminates in a closed end having a wall with a fixed opening to admit fluid to be tested, such as blood in an...
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4033330 |
Transcutaneous pH measuring instrument
A transcutaneous pH measuring device is provided in which a known volume of fluid is brought into equilibrium with body fluids through a membrane on a portion of skin whose surface layers have been...
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4016863 |
Tissue tonometer device for use in measuring gas in body tissue
A tissue gas diffusion catheter device which includes an impervious catheter, the lumen of which is filled with an impervious element extending beyond the distal end of the catheter. The catheter...
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3986494 |
Method of predicting and detecting ovulation
A method of monitoring the concentration of a given volatile organic compound commonly found in vaginal secretions is described as providing a reliable diagnostic indication of ovulation, and more...
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3664178 |
FLUID HANDLING APPARATUS
Fluid analysis apparatus includes a sample chamber that has a constituent sensor in it and an inlet conduit connected to the sample chamber. A heater assembly surrounds the inlet conduit. The...
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