|
Match
|
Document |
Document Title |
|
|
5956144 |
Method and apparatus for use of polarized light vectors in identifying and evaluating constituent compounds in a specimen
A device and method for determining the identity and concentration of constituent compounds of a test specimen. The device and method are based upon the polarization effect that a specimen will...
|
|
|
5944660 |
Disposable cartridge assembly with optional integrated temperature control system, and systems containing same
A cartridge assembly is provided for analyzing characteristics of a sample fluid. The cartridge assembly comprises an assembly body having a passageway, a cavity and, interposed between the...
|
|
|
5935076 |
Method and apparatus for accurately measuring the transmittance of blood within a retinal vessel
The method and apparatus for measuring the transmittance of blood within a retinal vessel detects the intensity of light reflected from illuminated portions of an eye, including the retinal vessel...
|
|
|
5931779 |
Real-time in-vivo measurement of myoglobin oxygen saturation
A method for determining myoglobin oxygen fractional saturation in vivo in muscle tissue and intracellular oxygen tension (pO 2 ), typically in the presence of hemoglobin, is provided. The method...
|
|
|
5933226 |
Attachment for a concentration measuring apparatus and a concentration measuring system
An attachment is designed such that a concentration measuring apparatus is attachable to and detachable from it. Inside the leading end portion of the attachment, leading ends of two light guide...
|
|
|
5924982 |
Oximeter sensor with user-modifiable color surface
An oximeter sensor with an emitter and a detector, and a sensor body surface having a first color proximate to at least one of the emitter or detector. The color can be modified by a user to adapt...
|
|
|
5924979 |
Medical diagnostic apparatus with sleep mode
A method and apparatus for conserving power in a medical diagnostic apparatus by using a sleep mode during a monitoring state. The sleep mode allows not only the processor to be put to sleep, but...
|
|
|
5916152 |
Lung permeability analysis
A spectrophotometric analytical method for lung permeability is described. An exogenous polydispersed macromolecule is administered, and fluid of the patient is evaluated using infrared spectroscopy.
|
|
|
5916153 |
Multifunction catheter
A modified Foley type catheter has a pressure sensor near the insertion end, an inflatable balloon, a temperature sensor, a light emitter, and a blood oxygen level detector near the light emitting...
|
|
|
5916171 |
Tissue monitor
A single signal-single probe multiparameter analyzer apparatus for monitoring various parameters of the identical volume element of body tissue, which includes an input signal generator, a single...
|
|
|
5911689 |
Subcutaneous radiation reflection probe
A subcutaneous radiation reflection probe for measuring oxygen saturation in living tissue includes an elongate drive shaft on one end of which is detachably coupled a mounting cup. The mounting...
|
|
|
5912179 |
Method for determining a level of oxidative stress of a tissue sample
Systems and methods for material analysis are disclosed in which an organic sample (e.g., a foodstuff, tissue sample or petroleum product) is illuminated at a plurality of discrete wavelengths...
|
|
|
5908384 |
Apparatus for non-invasive measurement within a human or animal body
An apparatus for non-invasive measurement within a human or animal body with an emitter for emitting electromagnetic radiation into the human or animal body and a detector for detecting the...
|
|
|
5893364 |
Apparatus for light reflection measurements
An apparatus for light transport measurements on a test object with a measuring head which includes a contact surface for placing against an interface of the test object, light irradiation device...
|
|
|
5891029 |
Method of and device for positioning a living body for biological measurement and apparatus for measurement of biological information
To secure a highly accurate measurement value of biological information with minimized variation by positioning a target part of a living body with good reproducibility and by positioning the...
|
|
|
5891021 |
Partially rigid-partially flexible electro-optical sensor for fingertip transillumination
A sensor is provided for transillumination of a blood-profused portion of a human fingertip. The sensor includes an opaque, semi-cylindrical substantially rigid cradle member having a photosensor...
|
|
|
5891022 |
Apparatus for performing multiwavelength photoplethysmography
A photoplethysmographic measurement device that utilizes wavelength division multiplexing is provided. Signals from multiple light emitters are combined into a single multiplexed light signal in a...
|
|
|
5882940 |
Method for assaying photosensitizing drug in plasma
A concentration of a photosensitizing drug in a patient, for PhotoDynamic Therapy treatment of the patient by a treatment light at a treatment light wavelength, is determined by the steps of...
|
|
|
5879294 |
Tissue chromophore measurement system
A measurement system and method for measuring a relative concentration of a first form of a chromophore having a first form and a second form. The method comprises irradiating a tissue sample with...
|
|
|
5873821 |
Lateralization spectrophotometer
The present invention utilizes differential measurement of radiation that migrated into two migration paths between two source-detector pairs placed on the head in a manner that each path is...
|
|
|
5873831 |
Method and system for measurement of macular carotenoid levels
The present invention is directed to a new and useful method and apparatus for use in determining the levels of macular pigments in the tissue of live subjects. Specifically, the method and...
|
|
|
5865167 |
Method of living system organism diagnostics and apparatus for its realization
A method of diagnostics of living organism state and an apparatus for its realization, comprising the steps of (i) illuminating living organism surface (1) with electromagnetic radiation from...
|
|
|
5857462 |
Systematic wavelength selection for improved multivariate spectral analysis
Methods and apparatus for determining in a biological material one or more unknown values of at least one known characteristic (e.g. the concentration of an analyte such as glucose in blood or the...
|
|
|
RE36044 |
Path constrained spectrophotometer and method for determination of spatial distribution of light or other radiation scattering and absorbing substances in a radiation scattering medium
A spectrophotometer for providing an image of a radiation scattering medium having one or more radiation attenuating constituents is disclosed herein. The spectrophotometer includes a light source...
|
|
|
5855551 |
Integral sheathing apparatus for tissue recognition probes
The invention incorporates an opto-electronic section in the tip of the sheath cover for a diagnostic probe that makes both electric and optical measurements of tissue contacted by the sheath. In...
|
|
|
5851178 |
Instrumented laser diode probe connector
This apparatus places the laser diode light source in the connector affixed to the distal end of the cable, proximate to the patient. The disposable portion of the probe simply consists of the...
|
|
|
5846834 |
Method for assaying photosensitizing drug in whole blood
A concentration of a photosensitizing drug in a patient, for PhotoDynamic Therapy treatment of the patient by a treatment light at a treatment light wavelength, is determined by the steps of...
|
|
|
5833602 |
Process of continuous noninvasive hemometry
This invention relates to a process of determining continuously and non-invasively (without the withdrawal of blood.) the concentrations of hemoglobin. This is done by measurement of the path...
|
|
|
5825488 |
Method and apparatus for determining analytical data concerning the inside of a scattering matrix
A method and an apparatus for determining analytical data concerning the inside of a scattering matrix, in particular of a biological sample. In a detection step detection measurements are carried...
|
|
|
5818985 |
Optical oximeter probe adapter
The present invention provides an adapter which actively connects a two terminal oximeter probe or monitor to a three terminal monitor or probe. This is done actively, with the alternating drive...
|
|
|
5813403 |
Optical measurement of tissue pH
The invention provides an optical method and apparatus for determining the pH of a tissue. The method includes the step of first irradiating the tissue with optical radiation. The radiation may...
|
|
|
5814599 |
Transdermal delivery of encapsulated drugs
Applications of low-frequency (20 KHz) ultrasound enhances transdermal transport of high-molecular weight proteins. This method includes a simultaneous application of ultrasound and protein on the...
|
|
|
5810724 |
Reusable sensor accessory containing a conformable spring activated rubber sleeved clip
A reusable accessory for a sensor (such as a pulse oximeter or a plethysmograph) that allows close conformance between the sensor heads and the patient tissue to be measured. The accessory thus...
|
|
|
5807248 |
Medical monitoring probe with modular device housing
The manufacture of the electronics component of the probe is simplified by using an integral lead frame on which is mounted all of the passive and active elements so that the entire electronics...
|
|
|
5807246 |
Display device in medical examination and treatment system
A pulse oximeter display device which displays oxygen saturation data is provided. The device comprises a multicolor display unit which displays oxygen saturation data in first and second colors. A...
|
|
|
5808304 |
Method and apparatus for detecting malignancies in living tissue
The most common method of determining whether a breast contains cancerous tissue utilizes ionizing radiation, i.e. x-rays, which possible have tissue damaging properties. It has been found that...
|
|
|
5807247 |
Method and apparatus for facilitating compatibility between pulse oximeters and sensor probes
A sensor probe operable to transmit light of a first wavelength for scattering by a tissue sample is described for use with a pulse oximeter designed to operate with another type of sensor probe...
|
|
|
5795295 |
OCT-assisted surgical microscope with multi-coordinate manipulator
Embodiments of the present invention provide method and apparatus for use during a neurosurgical procedure to enable a multi-coordinate manipulator ("MCM") to locate blood vessels and nerves in a...
|
|
|
5795292 |
Method for improving signal-to-noise in clinical spectrometric procedures
A method of conducting clinical examination procedures by use of electrically actuated spectrometric apparatus, of the type which uses a sensor that is placed in contact with the patient to...
|
|
|
5792051 |
Optical probe for non-invasive monitoring of neural activity
The invention features an optical probe for non-invasive monitoring of neural activity. The optical probe includes a light source constructed to introduce electromagnetic radiation of a visible or...
|
|
|
5792050 |
Near-infrared noninvasive spectroscopic determination of pH
Methods and apparatus for, preferably, determining noninvasively and in vitro pH in a human. The non-invasive method includes the steps of: generating light at three or more different wavelengths...
|
|
|
5787887 |
Apparatus for tissue examination using bidirectional transirradiation with light
An apparatus for examining tissue with light, for identifying inhomogeneities, such as tumors, in the tissue, bidirectionally transirradiates the tissue with light, and detects the light emerging...
|
|
|
5786592 |
Pulse oximetry sensor with fiberoptic signal transmission
A pulse oximetry sensor has a light emitting and light detecting part containing light emitting diodes and a photo detector electrically connected to a pulse oximetry instrument, and a two-halved...
|
|
|
5785651 |
Distance measuring confocal microscope
A novel apparatus and method for the quick and accurate determination of surface profile and depth reading within little or no mechanical motion is presented comprising a polychromatic light...
|
|
|
5778879 |
Electronic blood pressure meter with posture detector
This invention provides an electronic blood pressure meter which can measure blood pressure with great accuracy. The angle of inclination is detected by inclination sensor and the height of the...
|
|
|
5778878 |
Laser doppler microscopy methods and instruments
The velocity of blood cells in skin or other tissue capillaries is determined by a laser Doppler technique. A laser beam is focussed on to a capillary by means of a lens, mirror and beam splitter...
|
|
|
5772588 |
Apparatus and method for measuring a scattering medium
An apparatus and method are provided for measuring a scattering medium containing a light absorbing substance. The apparatus includes a light source; a photodetector; a gate voltage applying...
|
|
|
5770454 |
Method and aparatus for determining an analyte in a biological sample
A method and apparatus for analytical determination of a concentration of an analyte in a biological sample include a series of hardware elements and method steps which perform at least two...
|
|
|
5766125 |
Apparatus for determining the concentration of light-absorbing materials in blood
Light beams of different wavelengths, emitted from a light generating device, are transmitted through a living tissue. The transmitted light beams are converted into electrical signals by a...
|
|
|
5766131 |
Pulse-wave measuring apparatus
To achieve a pulse wave measuring apparatus whereby the sensor unit can be easily and consistently worn against the skin surface, a wristwatch type pulse wave measuring apparatus is comprised as...
|