Class 600/320 - Hemoglobin

Subclass of Class 600 - Surgery
Definition: Subject matter wherein means are provided to measure the
No. of patents: 20
Last issue date: 03/11/2008

Number	Title	Issue Date
7343185	Measurement of body compounds The present invention provides a method for identifying a concentration of a compound within a part of a subject. The method involves measuring the amount of electromagnetic radiation reflected by, or transmitted through the part with a detector, and using a quantit...	03/11/2008
7233817	Apparatus and method for pattern delivery of radiation and biological characteristic analysis The present invention uses a high signal to noise ratio method and apparatus to analyze a characteristic of a biological object, such as blood glucose level. The method and apparatus can also have surgical applications, such as coagulation or ablation of a pattern o...	06/19/2007
RE39672	Method and devices for laser induced fluorescence attenuation spectroscopy The Laser Induced Fluorescence Attenuation Spectroscopy (LIFAS) method and apparatus preferably include a source adapted to emit radiation that is directed at a sample volume in a sample to produce return light from the sample, such return light including modulated ...	06/05/2007
7222961	Method for detecting a functional signal in retinal images A system and method for detecting a functional signal in retinal images. An optical imaging device comprises a stimulation light source, an interrogating light source, and a detector. The retina is stimulated by the stimulation light source. The retina is then illum...	05/29/2007
7147327	Pupilometer with pupil irregularity detection, pupil tracking, and pupil response detection capability, glaucoma screening capability, intracranial pressure detection capability, and ocular aberration measurement capability A pupilometer having a pupil irregularity or non-uniformity detection capability. The pupilometer may comprise an imaging sensor for generating signals representative of a pupil of an eye, a data processor; and a program executable by the data processor for enabling...	12/12/2006
7110586	Apparatus for remote control of a microscope An apparatus and method acquires and stores multiple resolution images from a specimen on a support and provides to the user a low magnification, reconstructed macro image of the entire specimen, or a large portion thereof, to aid the person in selecting points of i...	09/19/2006
6954663	Continuous wave optical imaging assuming a scatter-law There is provided a method and a system for determining the concentration of chromophores and reconstructing images in turbid media, such as animal tissues, using a continuous wave optical approach. In particular the approach is based on measurements of attenuation ...	10/11/2005
6939310	Devices for physiological fluid sampling and methods of using the same Methods and devices are provided for determining a suitable site for sampling physiological fluid. In the subject methods, a potentially suitable physiological sampling site is selected, the fluid flow of the site is characterized and the site is then determined to ...	09/06/2005
6907351	Customer-based prediction method and system using near infrared reflectance spectra of materials A method and system for predicting the content level of components in materials based on the response of the materials to near infrared radiation. One embodiment comprises electronically receiving a near infrared reflectance spectrum of a material from a customer, p...	06/14/2005
6831733	Analysis method and system therefor The invention concerns a method for quantitative hemoglobin determination in undiluted, unhemolyzed whole blood comprising the steps of: providing a disposable, capillary, which has an optical path length of less than 1 mm; ...	12/14/2004
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
6611320	Method and apparatus The present invention relates to a method for detecting blood characteristics including hemoglobin in a fluid medium using both transmission and reflection of a light beam which forms a quotient....	08/26/2003
6124597	Method and devices for laser induced fluorescence attenuation spectroscopy The Laser Induced Fluorescence Attenuation Spectroscopy (LIFAS) method and apparatus preferably include a source adapted to emit radiation that is directed at a sample volume in a sample to produce return light from the sample, such return light including...	09/26/2000
5898487	Apparatus and method for determining the concentrations of hemoglobin derivatives An apparatus for determining the concentrations of n hemoglobin derivatives in a sample of undiluted, unhemolyzed whole blood provided in a cuvette, employs a device producing a primary light beam formed of at least n substantially monochromatic, narrow-b...	04/27/1999
5308919	Method and apparatus for monitoring the arteriovenous oxygen difference from the ocular fundus A non-invasive eye oximeter which monitors the arteriovenous oxygen difference. The optic disc region of the ocular fundus is illuminated with three or more wavelengths of light focused in approximately the same area. One of the light sources serves as a ...	05/03/1994
5260871	Method and apparatus for diagnosis of breast tumors An apparatus for distinguishing benign from malignant tumors in ultrasonic images of candidate tissue taken from a patient. A region of interest is located and defined on the ultrasonic image, including substantially all of the candidate tissue and exclud...	11/09/1993
5219400	Noninvasive method for quantitation of oxyhemoglobin saturation by near-infrared reflectance spectrophotometry The degree of hemoglobin oxygenation in the blood vessels of the retina is etermined under conditions of dark-adaptation and light-adaptation by directing a beam of near-infrared light having a range of wavelengths from 700 to 100 nanometers at a blood ves...	06/15/1993
5119814	Method and apparatus for monitoring blood loss via retinal venous oxygen saturation A non-invasive retinal scanning system which monitors internal blood loss. A portion of the ocular fundus is illuminated, in an annular fashion, with two wavelengths of light, one of which serves as a reference. Scanning the fundus circumferentially enabl...	06/09/1992
4922919	Method for measuring ocular oxidative metabolism A method of measuring the oxidative metabolism of ocular tissue. The ocular tissue is alternately illuminated, with light of a sample wavelength corresponding to the absorption peak of cytochrome a,a3 and light of a reference slightly above or ...	05/08/1990
4485820	Method and apparatus for the continuous monitoring of hemoglobin saturation in the blood of premature infants A method and apparatus is disclosed for continuously monitoring hemoglobin saturation in the blood of premature infants. A substantial portion of the eye fundus is illuminated by passing at least two frequencies of light through the pupillary opening. The...	12/04/1984

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Class 600/320 - Hemoglobin