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| Number | Title | Issue Date |
| 7785258 | System and method for determining a treatment dose for a patient In certain embodiments, a method of maintaining health of a patient uses an analyte detection system. The analyte detection system is coupled to the patient such that a bodily fluid of the patient is accessible to the analyte detection system. The method includes au... | 08/31/2010 |
| 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. Particularly, the current invention discloses a programmable system that can aut... | 10/27/2009 |
| 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 and/or control hemodialysis. In one embodiment, the system uses a lase... | 02/05/2008 |
| 7302289 | Readable probe array for use A disposable high density optically readable polydeoxynucleotide array with integral fluorescence excitation and fluorescence emission channels is described. The compact array size allows integration into several types of interventional devices such as catheters, gu... | 11/27/2007 |
| 7267671 | Surgical drain with sensors for monitoring fluid lumen Devices and methods of using a surgical drain, and more particularly to a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the surgical drain is placed. Modifications ... | 09/11/2007 |
| 7252659 | Implanted surgical drain with sensing and transmitting elements for monitoring internal tissue condition The present invention is directed to devices and methods of using a surgical drain, and more particularly to a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the sur... | 08/07/2007 |
| 7244251 | Implanted surgical drain with multiple sensing elements for monitoring internal tissue condition The present invention is directed to devices and methods of using a surgical drain, and more particularly to a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the sur... | 07/17/2007 |
| 7241287 | Implanted surgical drain with drain holes for monitoring internal tissue condition The present invention is directed to devices and methods of using a surgical drain, and more particularly to a surgical drain having at least one sensor for monitoring and/or recording the condition of the anatomical site or fluid emitted from the site where the sur... | 07/10/2007 |
| 7215457 | Apparatus and methods for modulating refractive index An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ... | 05/08/2007 |
| 7181348 | Automatic identification of compounds in a sample mixture by means of NMR spectroscopy A computer implemented process for producing a representation of a reference spectrum for a hypothetical solution having a first pH condition, for use in determining the composition of a test sample, is disclosed, The process involves producing a position value for ... | 02/20/2007 |
| 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 the fluid discharged from the living body; a pH calculating unit for c... | 12/26/2006 |
| 7145709 | Apparatus and methods for modulating refractive index An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ... | 12/05/2006 |
| 7142142 | Multi-bit ADC with sigma-delta modulation An oximeter uses a sigma-delta modulator and a multi-bit ADC with PWM feedback enabling high precision multi-bit conversion. Demodulation is done in software, thus requiring only a single hardware path for both red and IR. Multiple capacitors are switched into the i... | 11/28/2006 |
| 7107087 | Method and apparatus for measuring a concentration of a component in a subject A method of measuring a concentration of a component in a subject includes setting an intensity relationship equation between a positive-order beam and a negative-order beam with respect to a reference matter at a particular wavelength, applying a light having a fir... | 09/12/2006 |
| 7077819 | Method for determining the distribution volume of a blood component during an extracorporeal blood treatment and device for carrying out the method The invention relates to a method for determining the volume of distribution of a blood component in the body of a living organism, especially the volume of distribution of urea, during an extracorporeal blood treatment. According to this method, the blood to be tre... | 07/18/2006 |
| 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 vacuum source. The tissue interface device (10) comprises a... | 05/09/2006 |
| 7033838 | Method for the diagnosis of infection, and a diagnostic kit for performing the method The method for the diagnosis of Helicobacter pylori infection by the oral administration of defined amounts of 13C-labeled urea and examination for 13C content of blood samples removed at a defined time is effected by a) rem... | 04/25/2006 |
| 7009750 | Apparatus and methods for modulating refractive index An iono-refractive structure that includes one or more ion insertion layers having a real portion and an imaginary portion of the dielectric constant is provided. While both the real portion and the imaginary portion of the dielectric constant change, the change in ... | 03/07/2006 |
| 6955908 | Organism associated with nongonococcal urethritis The invention features a biologically pure culture of a newly identified single-celled organism Spiky Rotating Cells (SPR), methods to diagnose an SPR infection in a human patient, an instrument for collecting and detecting an SPR infection, and methods for treating... | 10/18/2005 |
| 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 accordance with the invention in that the complexing of the ion, ato... | 06/28/2005 |
| 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 and a dialysis fluid chamber and wherein the blood flows at a predet... | 03/01/2005 |
| 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 (18) filled with perfusion fluid from the tissue (10), a sensor ... | 07/08/2003 |
| 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 glucose concentration.... | 08/13/2002 |
| 6258027 | Method and device for calculating dialysis efficiency Methods and apparatus for calculating a parameter of mass exchange of a solute fluid are disclosed including passing the solute in a predetermined volume of the fluid on one side of a semi-permeable membrane in a dialyzer, passing an exchange fluid on the... | 07/10/2001 |
| 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 muscles is described. The key feature of the method is tha... | 05/01/2001 |
| 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 clearance, is desirable. Mathematical quantification of the blood p... | 04/17/2001 |
| 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 electrode, which is covered by a replaceable biomembrane, as r... | 01/09/2001 |
| 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 permeable to chemical substances of interest. A sensor unit is i... | 08/08/2000 |
| 6091976 | Determination of glucose concentration in tissue A method for determining and monitoring tissue glucose concentration, wherein a perfusion solution is conveyed as a liquid column through a microdialysis probe implanted in the tissue and is moved to a test cell preferably arranged outside the patient's b... | 07/18/2000 |
| 6013029 | Monitoring the concentration of a substance or a group of substances in a body fluid The concentration of a substance or group of substances in a body fluid is monitored by means of an interface held in contact with a living human or animal body and a detector is positioned downstream from the interface. A profusion fluid is passed from t... | 01/11/2000 |
| 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 the human body. Provided at the distal end are an ingress l... | 09/28/1999 |
| 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 by dividing the area of the resonance of the desired anal... | 11/11/1997 |
| 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 art. This apparatus not only identifies the present value of... | 11/11/1997 |
| 5655530 | Method for non-invasive blood analyte measurement with improved optical interface A method for non-invasively measuring the concentration of an analyte, particularly blood analyte in blood. The method utilizes spectrographic techniques in conjunction with an improved optical interface between a sensor probe and a skin surface or tissue... | 08/12/1997 |
| 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 fluid, and combinations thereof. The method can be used to... | 08/06/1996 |
| 5479923 | Method and apparatus for analyzing a sample The invention relates to an apparatus and a method for analyzing a compound to be drawn from a patient's organ. The apparatus comprises a sampling element having a wall which a compound to be analyzed is capable of penetrating. The apparatus also includes... | 01/02/1996 |
| 5456253 | Disposable extracorporeal conduit for blood constituent monitoring A disposable cuvette through which to pass pulsatile flowing blood. The cuvette has a conduit with two opposed walls having a predetermined separation therebetween that varies with each pulse of the flowing blood. A sealed air pocket damps the variation o... | 10/10/1995 |
| 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 have the substrate with one or more fluid preconditionable el... | 08/16/1994 |
| 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 into the tissue. The device comprising a delivery unit connec... | 03/16/1993 |
| 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 in the assembly. Each electrode cavity includes a circula... | 11/24/1992 |