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7403805 Apparatus and method for noninvasive measurement of analytes from the conjunctiva using mid-infrared radiation  
Utilization of a contact device placed on the eye in order to detect physical and chemical parameters of the body as well as the non-invasive delivery of compounds according to these physical and...
7398119 Assessing blood brain barrier dynamics or identifying or measuring selected substances, including ethanol or toxins, in a subject by analyzing Raman spectrum signals  
A non-invasive method for analyzing the blood-brain barrier includes obtaining a Raman spectrum of a selected portion of the eye and monitoring the Raman spectrum to ascertain a change to the...
7395104 Methods and devices for non-invasively measuring quantitative information of substances in living organisms  
Disclosed are systems and methods of determining the amount of a substance in a living organism. In one embodiment, the method comprises: applying an electrical signature signal to the living...
7377643 Method and apparatus for eye imaging with position registration and constant pupil size  
A method for capturing an image of an eye having an iris, including the steps of determining a plurality of measurement origins in the image; detecting an edge of the iris; determining a distance...
RE40316 Method and device for glucose concentration measurement with special attention to blood glucose determinations  
The concentration of glucose in the anterior chamber of an eye is non-invasively measured by guiding a beam through a polarizer ( 4 ), a quarter wave plate ( 6 ), a polarization modulator ( 20 ),...
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...
7339170 Optical encoding and reconstruction  
The invention features methods including: (i) modulating multiple components (e.g., different spatial regions, different wavelengths, or both) of electromagnetic (EM) radiation emerging from an...
7321791 Spectral imaging of deep tissue  
Apparatus and methods are provided for the imaging of structures in deep tissue within biological specimens, using spectral imaging to provide highly sensitive detection. By acquiring data that...
7308293 Non-invasive glucose meter  
An apparatus for measuring a concentration of a substance in an eye ( 13 ) includes a measurement light source ( 4 ) producing a measurement light beam having a first wavelength at which the...
7307734 Interferometric sensor for characterizing materials  
An integrated optical sensor, using low coherence interferometry, is capable of determining analyte concentration in a material sample based on absorption, scattering and polarization. The sensor...
7254429 Method and apparatus for monitoring glucose levels in a biological tissue  
In accordance with the invention, a low coherence interferometer is used to non-invasively monitor the concentration of glucose in blood by shining a light over a surface area of human or animal...
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...
7187960 Apparatus and method for measuring biologic parameters  
Support structures for positioning sensors on a physiologic tunnel for measuring physical, chemical and biological parameters of the body and to produce an action according to the measured value of...
7181261 Implantable, retrievable, thrombus minimizing sensors  
A sensor is disclosed, for implantation within a blood vessel to monitor a substance in or property of blood. In one embodiment, the sensor is retrievable. In another embodiment, the sensor has a...
7167736 Non-invasive measurement system and method for measuring the concentration of an optically-active substance  
A method and system for non-invasively measuring the concentration of an optically-active substance in a subject are provided. The system includes a light source adapted to transmit light towards a...
7050847 Non-invasive in vivo determination of body fluid parameter  
A non-invasive method of monitoring a biological parameter concerning a bodily fluid of a subject, e.g., blood glucose of a human subject. The method includes: placing an electrode against a site...
7041063 Noninvasive measurement of chemical substances  
Utilization of a contact device placed on the eye in order to detect physical and chemical parameters of the body as well as the non-invasive delivery of compounds according to these physical and...
7039447 Glucose measurement utilizing non-invasive assessment methods  
This involves non-invasive glucose measurement processes for determining blood glucose level in the human body. After achieving a static level of glucose at a surface of the skin over some period...
7033322 Implantable sensor  
A sensor is disclosed, for implantation within a blood vessel to monitor an analyte in blood. In one embodiment, the analyte is glucose. A signal indicative of glucose level is transmitted to an...
7006858 Implantable, retrievable sensors and immunosensors  
A sensor is disclosed, for implantation within a blood vessel to monitor an analyte in blood. In one embodiment, the sensor is retrievable. In another embodiment, the sensor is an immunosensor. A...
6999808 Method and device for glucose concentration measurement with special attention to blood glucose determinations  
The concentration of glucose in the anterior chamber of an eye is non-invasively measured by guiding a beam through a polarizer ( 4 ), a quarter wave plate ( 6 ), a polarization modulator ( 20 ),...
6975892 Methods for non-invasive analyte measurement from the conjunctiva  
The present invention is related to non-invasive methods and instruments to detect the level of analyte concentrations in the tissue of a subject by measuring electromagnetic radiation signatures...
EP1600104A1 Determination of biological conditions using impedance measurements  
Apparatus and method for the diagnostics of biological conditions using impedance measurements, and in particular for the diagnostics of a diseased condition of the skin of a subject, for example,...
6968222 Methods and device for non-invasive analyte measurement  
The present invention is related to optical non-invasive methods and instruments to detect the level of analyte concentrations in the tissue of a subject. The spectra of mid-infrared radiation...
6961599 Identifying or measuring selected substances or toxins in a subject using resonant raman signals  
Methods and systems of the present invention identify the presence of and/or the concentration of a selected analyte in a subject by: (a) illuminating a selected region of the eye of a subject with...
6958039 Method and instruments for non-invasive analyte measurement  
The present invention is related to optical non-invasive methods and instruments to detect the level of analyte concentrations in the tissue of a subject. The spectra of mid-infrared radiation...
6934030 Method and apparatus for detecting radiation  
In analyzing radiation from a sample, single-quanta counting can be used to advantage especially at low levels of radiation energy, e.g. in the detection of fluorescent radiation. Preferred...
6930773 Spectral imaging  
A method is described that includes measuring, at each of a set of W wavelength bins, a spectral response of at least one region of a sample stained with multiple stains, and determining the...
6895265 Implantable sensor  
A sensor is disclosed, for implantation within a blood vessel to monitor an analyte in blood. In one embodiment, the analyte is glucose. A signal indicative of glucose level is transmitted to an...
6895264 Non-invasive psychophysical measurement of glucose using photodynamics  
Blood glucose concentrations are measured by non-invasive methods and apparatus using visual pigment bleaching in conjunction with psychophysical methodologies. Bleaching light of selected...
6889069 Non-invasive measurement of blood analytes using photodynamics  
The determination of blood glucose in an individual is carried out by projecting illuminating light into an eye of the individual to illuminate the retina with the light having wavelengths that are...
6882777 Optical waveguide diffraction grating device, method for fabricating optical waveguide diffraction grating device, multiplexing/demultiplexing module, and optical transmission system  
The present invention relates to a diffraction grating device in which a diffraction grating based on perturbation of refractive index is formed through a predetermined range in a light guide...
6850786 Ocular analyte sensor  
An ophthalmic lens comprising a receptor moiety can be used to determine the amount of an analyte in an ocular fluid. The receptor moiety can bind either a specific analyte or a detectably labeled...
6836325 Optical probes and methods for spectral analysis  
The present invention relates to spectral analysis systems and methods for determining physical and chemical properties of a sample by measuring the optical characteristics of light emitted from...
6802812 Noninvasive optical sensor for measuring near infrared light absorbing analytes  
An optical sensor includes an optical source capable of being positioned on a tissue and emitting near infrared light into the tissue at a plurality of selected wavelengths, and a photodetector...
6775564 Non-invasive glucose measuring device and method for measuring blood glucose  
A glucose measuring device for determining the concentration of glucose in intravascular blood within a body part of a subject. The device includes at least one light source having a wavelength of...
EP1437091A1 Determination of biological conditions using impedance measurements  
Abstract not available for EP1437091
6760109 Method and apparatus for detecting radiation  
In analyzing radiation from a sample, single-quanta counting can be used to advantage especially at low levels of radiation energy, e.g. in the detection of fluorescent radiation. Preferred...
6753966 Optical probes and methods for spectral analysis  
The present invention relates to spectral analysis systems and methods for determining physical and chemical properties of a sample by measuring the optical characteristics of light emitted from...
6750964 Spectral imaging methods and systems  
A imaging method is described that includes: obtaining a spectral weighting function indicative of an attribute of the reference sample; illuminating a target sample with light whose spectral flux...
6704588 Method and apparatus for the non-invasive measurement of blood glucose levels in humans  
An apparatus ( 10 ) for determining a diagnostic glucose level in a human subject includes a light source ( 30 ) that produces collimated light at a selected wavelength. The collimated light is...
6694157 Method and apparatus for determination of pH pCO2, hemoglobin, and hemoglobin oxygen saturation  
This invention relates to a method and apparatus for in-vivo, real time measurement of pH, pCO 2 , base excess, hemoglobin, and hemoglobin oxygen saturation. Specifically, the invention relates to...
6690466 Spectral imaging system  
An imaging system is disclosed comprising an illuminator which produces illumination of any desired pure wavelength or of any selected mixture of pure wavelengths simultaneously, which illuminates...
6687389 Imaging apparatus  
An imaging apparatus suitable for capturing a image of one or more of a user's facial features is disclosed. The apparatus includes a spherical cold mirror which presents a concave surface to the...
6681127 Ocular analyte sensor  
An ophthalmic lens comprising a receptor moiety can be used to determine the amount of an analyte in an ocular fluid. The receptor moiety can bind either a specific analyte or a detectably labeled...
6675030 Near infrared blood glucose monitoring system  
An individualized modeling equation for predicting a patient's blood glucose values is generated as a function of non-invasive spectral scans of a body part and an analysis of blood samples from...
6611704 Apparatus for measuring the autofluorescence of the cornea of an eye  
For the early detection of blindness-causing diabetic retinopathy, an apparatus for measuring the autofluorescence of the cornea of an eye, comprising means for tangentially illuminating the...
6574501 Assessing blood brain barrier dynamics or identifying or measuring selected substances or toxins in a subject by analyzing Raman spectrum signals of selected regions in the eye  
A non-invasive method for analyzing the blood-brain barrier includes obtaining a Raman spectrum of a selected portion of the eye and monitoring the Raman spectrum to ascertain a change to the...
6549861 Automated system and method for spectroscopic analysis  
An automated method for modeling spectral data is provided, wherein the spectral data generated by one of diffuse reflectance, clear transmission, or diffuse transmission. The method includes...
6522903 Glucose measurement utilizing non-invasive assessment methods  
This involves non-invasive glucose measurement processes for determining blood glucose level in the human body. After achieving a static level of glucose at a surface of the skin over some period...
Matches 1 - 50 out of 94 1 2 >