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Class 600/316 - Glucose


Subclass of Class 600 - Surgery
Definition: Subject matter wherein the light is utilized to monitor
No. of patents: 419
Last issue date: 05/15/2012


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NumberTitleIssue Date
8180422Non-invasive system and method for measuring an analyte in the body
A system for determining an analyte concentration in a fluid sample (e.g., glucose) comprises a light source, a detector, and a central processing unit. The detector is adapted to receive spectral information corresponding to light returned from the fluid sample bei...
05/15/2012
8175666Three diode optical bridge system
An improved method for non-invasively measuring a concentration of a target analyte dissolved in a fluid flowing through a sample is presented. It includes directing a probe beam of electromagnetic radiation, having time multiplexed components of different wavelengt...
05/08/2012
8160666System for determining the concentration of an analyte
A system for determining the concentration of an analyte in at least one body fluid in body tissue comprises an infrared light source, a body tissue interface, a detector, and a central processing unit. The body tissue interface is adapted to contact body tissue and...
04/17/2012
8140140Analyte detection system for multiple analytes
An apparatus for analyzing the composition of bodily fluid. The apparatus comprises a fluid handling network including a patient end configured to maintain fluid communication with a bodily fluid in a patient; and a pump unit in operative engagement with the fluid h...
03/20/2012
8135450Noninvasive glucose sensing methods and systems
New methods and systems for noninvasive glucose monitoring and sensing with electromagnetic waves or ultrasound are disclosed. The methods are based on absolute or relative measurement of tissue dimensions (or changes in the dimensions) including, but not limited to...
03/13/2012
8078244Interferometric method and instrument for measurement and monitoring blood glucose through measurement of tissue refractive index
A method of measuring glucose concentration in tissue includes measuring scattering coefficients of the tissue at each of a plurality of temperatures and at a selected tissue depth using optical coherence tomography, and determining the glucose concentration in inte...
12/13/2011
RE42753Active pulse blood constituent monitoring
A blood constituent monitoring method for inducing an active pulse in the blood volume of a patient. The induction of an active pulse results in a cyclic, and periodic change in the flow of blood through a fleshy medium under test. By actively inducing a change of t...
09/27/2011
7974669Method for measuring glucose concentration in blood using infrared spectroscopy and instrument employing it
The objective of the present invention is to provide a method and instrument for measuring glucose concentration in blood using infrared spectroscopy. Glucose concentration in blood is measured based on an integrated value obtained by measuring an absorption spectru...
07/05/2011
7899506Composite spectral measurement method and its spectral detection instrument
The present invention discloses a spectral measurement method via continuous light source and discrete light source, and a measurement instrument for non-invasive detection of human body tissue components. Said instrument includes an incident unit, a probe, a receiv...
03/01/2011
7873397Spectroscopic optical system
Innovative techniques that result in a better signal-to-noise ratio for spectrographic analysis of substances in a target than conventional techniques. In these techniques, light illuminates a target with at least some of the light penetrating the target. At least a...
01/18/2011
7860543Analyte detection system with reduced sample volume
In certain embodiments, a method samples a body fluid of a patient. The method includes providing a fluid handling system having one or more fluid passageways. The method further includes infusing an infusion fluid by way of a fluid handling system into a patient th...
12/28/2010
7860542Analyte detection system with reduced sample volume
In certain embodiments, a method samples a body fluid of a patient. The method includes providing a fluid handling system having one or more fluid passageways. The method further includes infusing an infusion fluid by way of a fluid handling system into a patient th...
12/28/2010
7822451Apparatus of measuring glucose concentration by using optical coherence tomography and method of operating the apparatus
Disclosed is an apparatus and method for measuring glucose concentration by using Optical Coherence Tomography (OCT), and more particularly, an apparatus and method for increasing the blood volume around a measurement part by using a blood concentrating device and n...
10/26/2010
7822452Method for data reduction and calibration of an OCT-based blood glucose monitor
The present invention relates to a method for estimating blood glucose levels using a noninvasive optical coherence tomography- (OCT-) based blood glucose monitor. An algorithm correlates OCT-based estimated blood glucose data with actual blood glucose data determin...
10/26/2010
7809416Method of preparing calibration curve for quantitative analysis of in-vivo component, and quantitative analyzer using the calibration curve
A method of non-invasively determining a concentration of an in-vivo component such as blood sugar level (glucose) of a subject is provided. An absorption spectrum of the subject is measured by use of near-infrared light. The concentration of the in-vivo component i...
10/05/2010
7787923Fiber optic device for sensing analytes and method of making same
A device for sensing analyte concentration, and in particular glucose concentration, in vivo or in vitro is disclosed. A sensing element is attached to the distal end of an optical conduit, and comprises at least one binding protein adapted to bind with at least one...
08/31/2010
7787924Compact apparatus for noninvasive measurement of glucose through near-infrared spectroscopy
The invention involves the monitoring of a biological parameter through a compact analyzer. The preferred apparatus is a spectrometer based system that is attached continuously or semi-continuously to a human subject and collects spectral measurements that are used ...
08/31/2010
7751862Frequency resolved imaging system
A non-invasive imaging and analysis system suitable for non-invasive imaging and analysis of defects or malignant aspects of targets such as cancer in skin or human tissue and suitable for measuring concentrations of specific components, such as blood glucose concen...
07/06/2010
7729734Non-invasive biothermophotonic sensor for blood glucose monitoring
There is provided a glucose monitoring method and apparatus based on the principle of Wavelength-Modulated Differential Laser Photothermal Radiometry (WM-DPTR). Two intensity modulated laser beams operating in tandem at specific mid-infrared (IR) wavelengths and cur...
06/01/2010
7672702Noninvasive in vivo measuring system and noninvasive in vivo measuring method by correcting influence of Hemoglobin
A noninvasive in vivo measuring system and a noninvasive in vivo measuring method are provided. In the noninvasive in vivo measuring system, a Raman-fluorescence measuring unit measures blood sugar concentration, which is measured using Raman spectra before and afte...
03/02/2010
7660615Insertion set for transcutaneous sensor with connector lock mechanism
An improved insertion set is provided for transcutaneous placement of a sensor such as a glucose sensor at a selected site within the body of a patient. The insertion set comprises a mounting base defining an upwardly open channel for receiving and supporting a flex...
02/09/2010
7613487Instrument for noninvasively measuring blood sugar level
A small and portable instrument for measuring blood sugar level of a human body noninvasively with no error comprising a light source control section for irradiating the measurement part of a finger with irradiation lights in two different near-infrared wavelength r...
11/03/2009
7526329Multiple reference non-invasive analysis system
A non-invasive imaging and analysis system suitable for measuring concentrations of specific components, such as blood glucose concentration and suitable for non-invasive analysis of defects or malignant aspects of targets such as cancer in skin or human tissue, inc...
04/28/2009
7440786Method and apparatus for presentation of noninvasive glucose concentration information
The invention relates generally to the extraction and/or presentation of glucose concentrations estimated as a function of time into a format that facilitates conveyance of the underlying information. More particularly, glucose concentration histories are presented ...
10/21/2008
7436511Analyte filter method and apparatus
The invention comprises a method and apparatus for enhancing the analysis of noninvasive spectra, resulting in improved analytical performance. More particularly, the invention comprises a method and apparatus for processing noninvasive spectra with an analyte filte...
10/14/2008
7424317Non-invasive measurement of blood analytes
An apparatus for the measurement of at least one analyte in the blood of a patient, which includes a light source generating broadband light and a light-transmission arrangement having a plurality of transmitting fibers is positioned for simultaneously transmitting ...
09/09/2008
RE40470Body function measuring apparatus
Body function measuring apparatus which provides: (1) an indication of the body function being measured, and (2) a loose probe condition by determining that the difference between the rate of change of a first body function signal, developed by a first sensor in the...
08/26/2008
7417164Fluorescent dyes for use in glucose sensing
A novel class of compounds that includes HPTS-Cys-MA, and methods of making them are disclosed herein. The class of compounds including HPTS-Cys-MA are useful as fluorescent dyes for analyte detection. ...
08/26/2008
7409239Method for predicting the blood glucose level of a person
A method for predicting blood glucose level of a person includes performing on the person a near-infrared spectral scan of a body part at a first group of wavelengths and at a second group of wavelengths, determining a first group of near-infrared absorbance values ...
08/05/2008
7395158Method of screening for disorders of glucose metabolism
A method of screening for disorders of glucose metabolism such as impaired glucose tolerance and diabetes allows prevention, or early detection and treatment of diabetic complications such as cardiovascular disease, retinopathy, and other disorders of the major orga...
07/01/2008
7389132Mold-in method and apparatus
The present invention mainly relates to a method and apparatus for measuring the concentration of a solute in a solvent. Disclosed is an apparatus or method for determining the concentration of a solute in a solvent of a solution in a container having a time-varying...
06/17/2008
7377899Sine saturation transform
A transform for determining a physiological measurement is disclosed. The transform determines a basis function index from a physiological signal obtained through a physiological sensor. A basis function waveform is generated based on basis function index. The basis...
05/27/2008
7371217Device for the non-invasive measurement of blood glucose concentration by millimeter waves and method thereof
A device and method for the non-invasive measurement of blood glucose concentrations by millimeter waves. The device includes a millimeter wave generator; a TE10 mode rectangular waveguide transmitting a millimeter wave generated by the millimeter wave generator; an...
05/13/2008
7371247Method and apparatus for penetrating tissue
A tissue penetrating system includes a plurality of penetrating members each having a tip. A penetrating member driver is coupled to the plurality of penetrating members. Each tip of a penetrating member is uncovered during launch of the penetrating member by the pe...
05/13/2008
7368085Analyte detector
An analyte detector including a device having a surface, wherein the device is capable of detecting a charge adjacent to the surface. The surface includes a plurality of molecules bonded thereto, wherein the molecules have a structure (I):
05/06/2008
7366564Nonlinear blind demixing of single pixel underlying radiation sources and digital spectrum local thermometer
Changes, increase or decrease, in the body fluid flow are passively detected by using a single pixel, non-linear blind de-mixing procedure, which can be extended to general biomedical measurement and diagnoses instruments. More specifically the single pixel, non-lin...
04/29/2008
7358094Sensor system for saccharides
An analytical system for detecting a saccharide is provided. The analytical system includes a saccharide sensor attached to a solid substrate and having the formula: Where Z is selected from the group consisting of hydrogen...
04/15/2008
7356365Method and apparatus for tissue oximetry
In accordance with the invention, the oxygenation of blood-profused tissue is measured by shining light into the profused tissue and analyzing the light reflected within the tissue. The light is reflected by cell walls in the tissue and is partially absorbed by hemo...
04/08/2008
7356364Device for optical monitoring of constituent in tissue or body fluid sample using wavelength modulation spectroscopy, such as for blood glucose levels
A device for monitoring the concentration level of a constituent in tissue or a body fluid sample, such as glucose concentration in blood, has a laser light source which is modulated about a center emission frequency to probe the absorption spectrum of the constitue...
04/08/2008
7354420Closed loop system for controlling insulin infusion
A closed loop infusion system controls the rate that fluid is infused into the body of a user. The closed loop infusion system includes a sensor system, a controller, and a delivery system. The sensor system includes a sensor for monitoring a condition of the user. ...
04/08/2008
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