Class 600/328 - Hemoglobin

Subclass of Class 600 - Surgery
Definition: Subject matter wherein means are provided to measure the
No. of patents: 82
Last issue date: 02/28/2012

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Number	Title	Issue Date
8126527	Method and system for determining the contribution of hemoglobin and myoglobin to in vivo optical spectra This document discusses, among other things, quantification of hemoglobin content, and therefore blood volume, of muscle. An analysis of the optical spectra can determine the ratio of hemoglobin (Hb) to myoglobin (Mb) content in intact muscle. The peak position of t...	02/28/2012
8036727	Methods for noninvasively measuring analyte levels in a subject A method for noninvasively measuring analytes such as blood glucose levels includes using a non-imaging OCT-based system to scan a two-dimensional area of biological tissue and gather data continuously during the scanning. Structures within the tissue where measured...	10/11/2011
7725145	Biological photometric device A biological photometric device includes a light irradiating unit for irradiating an object to be examined with light having a predetermined wavelength and sympathizing with oxygenated hemoglobin and deoxygenated hemoglobin through an optical fiber, a light detectin...	05/25/2010
7426407	Continuous spectroscopic measurement of total hemoglobin Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the multiple wavelengths, performing a comparison in a change in like absorbance...	09/16/2008
7356365	Method 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
7343186	Multi-wavelength physiological monitor A physiological monitor for determining blood oxygen saturation of a medical patient includes a sensor, a signal processor and a display. The sensor includes at least three light emitting diodes. Each light emitting diode is adapted to emit light of a different wave...	03/11/2008
7319894	Continuous spectroscopic measurement of total hemoglobin Methods for measuring the total hemoglobin of whole blood include measuring reflective light at multiple wavelengths within the visible spectrum, calculating light absorbance at each of the multiple wavelengths, performing a comparison in a change in like absorbance...	01/15/2008
7316700	Self optimizing lancing device with adaptation means to temporal variations in cutaneous properties A lancing device, an embodiment of which controls the advancement and retraction of a lancet by monitoring the position of the lancet in conjunction with a lancet controller which incorporates a feedback loop for modulating the lancet driver to follow a predetermine...	01/08/2008
7317939	Method of optical measurements for determining various parameters of the patient's blood A method for optical measurements of desired parameters of the patient's blood is presented. A state of the blood flow cessation is provided within a measurement region and maintained during a predetermined time period. Measurement sessions are performed within this...	01/08/2008
7277741	Pulse oximetry motion artifact rejection using near infrared absorption by water A method and an apparatus for measuring a physiological parameter, functioning based on obtaining a first signal derived from electromagnetic energy transmitted through a tissue portion at a first wavelength, the first signal including a signal portion corresponding...	10/02/2007
7273056	Optical guidance system for invasive catheter placement Light from a small laser diode is inserted in a distal end of a catheter and passed through an optical fiber that is either included in the lumen or incorporated into the wall of an invasive catheter tube during manufacture. The light is selected to be of a waveleng...	09/25/2007
7271912	Method of determining analyte concentration in a sample using infrared transmission data A method determines an analyte concentration in a sample. The sample includes the analyte and a substance. The method includes providing absorption data of the sample. The method further includes providing reference absorption data of the substance. The method furth...	09/18/2007
7251516	Noninvasive glucose sensor Glucose concentration is noninvasively measured by measuring a plurality of absorption values using at least one emitter operating at a corresponding plurality of emission wavelengths through a common optical sample volume and deriving glucose concentration from the...	07/31/2007
7251518	Blood optode A method for measuring in non-invasive manner the concentration of blood constituents by which backscattered light is measured under the action of ultrasonic radiation focused towards the inside of a central blood vessel. A light source and detection unit are arrang...	07/31/2007
7251527	Method for monitoring end of life for battery A system is described. The system includes a lithium battery, a charge storage capacitor electrically connected to the lithium battery, a first device, and at least one second device. The first device is electrically connected to the lithium battery and is powered b...	07/31/2007
7248909	Method and apparatus for dynamically monitoring multiple in vivo tissue chromophores A device and method utilizes a broadband diffuse optical spectroscopy (DOS) system to dynamically calculate the concentrations of multiple chromophores in vivo using a non-invasive probe. The device and method permit dynamic monitoring of multiple in vivo tissue chr...	07/24/2007
7242997	Diffuse optical tomography system and method of use An improved diffuse optical tomography system for in vivo non-contact imaging includes an illumination source for illuminating a specimen, a spectrum source for projecting a spectrum onto the specimen, at least one sensor configured to capture the response of the sp...	07/10/2007
7239903	Brain function measurement device, brain function measurement method, and brain function measurement program In addition to irradiating examination light toward the inside of the bead of the subject and detecting the examination light reflected from the head: structural data indicating the head structure, wherein the head is divided into multiple materials and the various ...	07/03/2007
7239146	Indicator of remaining energy in storage cell of implantable medical device A manganese dioxide (MnO2) or silver vanadium oxide (SVO) or other battery of an implantable medical device having a relatively flat quiescent battery voltage during a beginning portion of the battery's useful life, makes it difficult to use quiescent battery voltag...	07/03/2007
7189226	Coaxial illuminated laser endoscopic probe and active numerical aperture control A coaxial illuminated laser endoscopic probe and active numerical aperture control apparatus and method of use, succinctly known as an illumination and laser source, capable of selectively providing illumination light and laser treatment light through a single optic...	03/13/2007
7181264	Method and apparatus for noninvasive physiologic monitoring Intense environmental or working conditions can impede an individual's evaporative cooling mechanism normally responsible for thermoregulation during exercise or exertion. Non-invasive physiological monitoring capabilities are needed to more precisely define the car...	02/20/2007
7142906	Optical measurement instrument for living body A control device and measurement system for a living body applies lights of at least one wavelength in a visible-infrared region to a plurality of incident positions on a surface of the living body, and a light detector detects lights transmitted through the living ...	11/28/2006
7140371	Surface topography method for determining effects of a botulinum toxin upon a muscle and for comparing botulinum toxins Skin topographical methods for quantifying pharmacodynamic parameters of a paralytic effect of a Clostridial toxin, such as a botulinum toxin upon a muscle, such as a frontalis muscle. The methods are effective in determining the potency of a Clostridial toxi...	11/28/2006
7139597	Living body light measuring device There has been no device for measuring changes in Hb concentrations associated with activities of the cerebral function of an infant or subject prone to movement during measurement. Removing and reducing any influences of body movement is needed. In the present inve...	11/21/2006
7047054	Laser diode optical transducer assembly for non-invasive spectrophotometric blood oxygenation monitoring A non-invasive near infrared spectrophotometric monitoring transducer assembly includes a housing member, which is adhered directly on a patient's skin. The housing member contains a prism coupled to a flexible and lightweight single core optical light guide, which ...	05/16/2006
7026654	Package for optical semiconductor To provide a package for an optical semiconductor having a light-emitting device and a light-receiving device in one package, in which a groove is provided between the light-emitting device and the light-receiving device to thereby avoid rays of light from the light...	04/11/2006
7021164	Tire sensor insertion tool and method A tool for insertion of a sensor to a predetermined depth within a bore includes an elongate tool tip terminating at a tip end, a handle affixed to the tip, and an axial passageway extending through the tip and handle to a tool end. A window is provided extending tr...	04/04/2006
7024235	Specially configured nasal pulse oximeter/photoplethysmography probes, and combined nasal probe/cannula, selectively with sampler for capnography, and covering sleeves for same The present invention relates to novel nasal pulse oximeter probes that are configured to be placed across the septum of the nose. These probes are fabricated to provide signals to obtain arterial oxygen saturation and other photoplethysmographic data. The present i...	04/04/2006
7022083	Measurement system for living bodies A satisfactory averaged signal can be obtained with only a small number of repetitions of measurement in the measurement of responses to a stimulus given to a living body. A low-frequency biological fluctuation is extracted and a stimulus is presented to the living ...	04/04/2006
7020507	Separating motion from cardiac signals using second order derivative of the photo-plethysmogram and fast fourier transforms The present invention is directed toward a pulse oximetry system for the determination of a physiological parameter capable of removing motion artifacts from physiological signals comprises a hardware subsystem and a software subsystem. The software subsystem is use...	03/28/2006
6997879	Methods and devices for reduction of motion-induced noise in optical vascular plethysmography Methods and devices are provided for reducing motion artifacts when monitoring volume changes in blood vessels. Light having a first wavelength and light having a second wavelength are transmitted through a human appendage, toward the epidermis of a patient, or thro...	02/14/2006
6990365	Apparatus for measurement of blood analytes There is described a device for the non-invasive measurement of one or more analytes in blood in a patient's body part which comprises a light transmitter comprising a plurality of transmitting fibres positioned to transmit light to the body part and a light detecto...	01/24/2006
6949384	Method for monitoring degradation of Hb-based blood substitutes The present invention provides a method for monitoring degradation of Hb-based blood substitutes, in a sample. This method involves determining a concentration of met-Hb within the sample, by applying a calibration algorithm for met-Hb to an absorbance obtained from...	09/27/2005
6940255	Battery charge indicator such as for an implantable medical device This document discusses, among other things, a system providing a battery charge indicator for an implantable medical device, such as using a lithium/carbon monofluoride (CFx) or other battery. Capacity vs. voltage data from a separate characterizing battery into a ...	09/06/2005
6934571	Integrated physiologic sensor system An embodiment of the present invention comprises a self-contained breathing apparatus (SCBA) mask that incorporates a series of physiologic sensors. These physiologic sensors are mounted on the interior of the SCBA mask in such a way as to contact the facial skin of...	08/23/2005
6918873	Inverted sensor module An inverted sensor module for sensing physical and chemical fluid characteristics in a vessel in a living body. The inverted sensor module includes an inverted sensor bonded to a hollow carrier so that sensing occurs in the lumen of the inverted sensor module. An in...	07/19/2005
6882874	Compensation of human variability in pulse oximetry The invention relates to the calibration of a pulse oximeter intended for non-invasively determining the amount of at least two light-absorbing substances in the blood of a subject. In order to bring about a solution by means of which the effects caused by the tissu...	04/19/2005
6859658	Device for non-invasively detecting the oxygen metabolism in tissues The invention relates to an apparatus for noninvasive determination of the oxygen turnover and data derived therefrom with an optical sensor (S) to be placed on the tissue with one or more light sources (W, L) which send light through the optical fibers to the senso...	02/22/2005
6701171	Method and apparatus for non-invasive detection of angiogenic and anti-angiogenic activity in living tissue The present invention relates to a method for non-invasive local quantification of angiogenesis or destruction of existing blood vessels in living tissue, the use of the said method for local measurements of hemoglobin concentration and blood perfusion at...	03/02/2004
6701169	Method of determining autoregulatory and perfusion status A method of determining the autoregulatory status of a subject by obtaining a measurement of a selected parameter of the retinal blood vessels in a non-stimulated subject, administering to the subject a preselected stimulus, obtaining a measurement of the...	03/02/2004

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Class 600/328 - Hemoglobin