Matches 1 - 42 out of 42
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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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6013029 Monitoring the concentration of a substance or a group of substances in a body fluid  
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 42 out of 42