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6640133 |
Optical measurement instrument for living body
A control device for a living body including an input device having a launcher for launching light into the living body from at least one light incident position on a surface of the living body, a...
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6640124 |
Imaging apparatus and methods for near simultaneous observation of directly scattered light and multiply scattered light
An apparatus and a method are disclosed for separating light remitted by a target into a directly scattered light component and at least one multiply scattered light component, detecting the...
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6635011 |
Electronic endoscope system
In an electronic endoscope system, a scope has an image sensor provided at a distal end thereof to generate image-pixel signals. A proximal end of the scope is connected to an image-signal...
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6631288 |
Skin evaluation apparatus
A skin evaluation apparatus and method for rapidly assessing the degree of erythema of the skin and the skin's response to blanching. The apparatus includes a housing comprising a probe head having...
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6631289 |
System and method of fluorescence spectroscopic imaging for characterization and monitoring of tissue damage
A method for monitoring a biological tissue includes illuminating the tissue, including a fluorophore, with a wavelength of light, the wavelength selected for exciting the fluorophore, determining...
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6631286 |
Device for the determination of tissue perfusion and operative use thereof
A safety housing, into which an infrared laser light source is integrated together with the CCD camera, forms a compact unit for the determination of tissue perfusion. Rays from the infrared laser...
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6618604 |
Method and apparatus for correcting the offset induced by field effect transistor photo-conductive effects in a solid state x-ray detector
A method and apparatus for correcting the offset induced by Field Effect Transistor (FET) photo-conductive effects in solid state x-ray detectors includes dedicating rows at the beginning and end...
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6618614 |
Optical examination device, system and method
As part of an examination device, an input or output optical coupler device for transmitting photons between an optical source or detector and an examined body part includes an array of optical...
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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...
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6600943 |
METHOD FOR DETECTING A SPECIFIC PORTION OF ORGANISM SPECIMEN, METHOD FOR PHYSIOLOGICAL MEASUREMENT OF ORGANISM SPECIMEN, APPARATUS FOR DETECTING A SPECIFIC PORTION OF ORGANISM SPECIMEN, AND A DEVICE FOR HOLDING OPTICAL FIBER
The present invention provides an apparatus and a method for finding out a specific portion for recording the activity accurately and easily in recording the activity of an organism specimen in...
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6600946 |
Methods and apparatus for quantifying dermal hydration
Dermal hydration is determined in a target region of a human subject by determining a relationship between first and second measurements. The first measurement is a measurement of a first type of...
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6600947 |
Method of detecting amyloid-containing lesions by autofluorescence
Disclosed is a method of detecting amyloid-containing deposits in a mammal without administering exogenous chemicals such as fluorophores or chromophores. The method includes subjecting tissue of a...
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6597941 |
Transillumination of body members for protection during body invasive procedures
An apparatus and method for identifying a body member during a body intrusive procedure includes infrared light energy which is applied to the body member. Substantially visible infrared free light...
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6587701 |
Method of assessing tissue viability using near-infrared spectroscopy
Prolonged and severe tissue hypoxia results in tissue necrosis in pedicled flaps. We demonstrate the potential of near-infrared spectroscopy for predicting viability of compromised tissue portions....
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6587711 |
Spectral polarizing tomographic dermatoscope
An apparatus for use in examining an object, such as skin, mucosa and cervical tissues for the purpose of detecting cancer and precancerous conditions therein. In one embodiment, the apparatus...
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6584341 |
Method and apparatus for detection of defects in teeth
There is provided a metrologic methodology and instrument, useful for a high-spatial-resolution dynamic diagnostic metrology and instrument, which can provide simultaneous measurements of...
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6584342 |
Method for diagnosing proliferation regions and device for realizing the same
Non-invasive, contract-free method for the diagnostics of the proliferation areas of biological tissue and their localization zones n vivo in a live organism on the basis of visualizing the...
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6582363 |
Video endoscope system and illumination optical system
White light that was emitted from a white light source and converged through a condenser lens enters a light guide with a maximum incidence angle α. Since excitation light emitted from an...
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6577886 |
Living body function measurement method
A living body function measurement method comprises separating a light from a low coherence light source into a signal light and a reference light, modulating a frequency of at least one of the...
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6574502 |
Apparatus for displaying fluorescence images
Excitation light is irradiated to a region of interest in a living body, the excitation light causing the region of interest to produce intrinsic fluorescence. An image displaying system acquires...
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6571114 |
Medical measurement apparatus
This invention regarding the medical measurement apparatus includes an apparatus body capable of being held with a thumb and at least one of the subject testing-fingers, that is, the forefinger,...
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6571117 |
Capillary sweet spot imaging for improving the tracking accuracy and SNR of noninvasive blood analysis methods
The accuracy of noninvasive blood analysis methods is limited by the so-called tracking error. The correlation between the component concentration in the probed skin volume and the component...
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6571118 |
Combined fluorescence and reflectance spectroscopy
Methods and apparatus for performing fluorescence and spatially resolved reflectance spectroscopy on a sample. A sample is irradiated with a fluorescence excitation fiber and radiation is collected...
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6569104 |
Blood vessel detecting apparatus
Disclosed is a blood vessel detecting apparatus which accurately detects a blood vessel using an image pickup element having a plurality of pixels to pick up an image of a blood vessel, a detector...
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6556854 |
Blood vessel imaging system using homodyne and heterodyne effects
A homodyne interference system splits first and second light beams from a common light source and causes the first and second light beams to impinge upon an irradiating point of an organism at...
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6556858 |
Diffuse infrared light imaging system
An imaging system illuminates body tissue with infrared light to enhance visibility of subcutaneous blood vessels, and generates a video image of the body tissue and the subcutaneous blood vessels...
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6549801 |
Phase-resolved optical coherence tomography and optical doppler tomography for imaging fluid flow in tissue with fast scanning speed and high velocity sensitivity
The invention is a fast-scanning ODT system that uses phase information derived from a Hilbert transformation to increase the sensitivity of flow velocity measurements while maintaining high...
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6546272 |
Apparatus for in vivo imaging of the respiratory tract and other internal organs
Apparatus for acquiring in vivo images of a site of interest within the internal organs of a body. The apparatus includes an elongate, flexible catheter. The catheter is introducible into the body...
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6542761 |
Multifunction sensor
A device for measuring parameters of medical fluids having a measurement chamber through which the fluid to be measured passes. The chamber is sealed on one side by a flexible membrane, and it also...
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6542772 |
Examination and imaging of biological tissue
Methods and systems are described that examine tissue positioned between input ports and a detection port. At lease one source of a visible or infrared wavelength is provided that introduces...
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6537211 |
Flourescence imaging endoscope
The present invention relates to a fluorescence endoscope imaging system. The system uses first and second light sources to provide fluorescence and reflectance images of tissue being examined. The...
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6535757 |
Ocular examination system
An ocular examination system includes an illumination system illuminating a region of an eye fundus including a target blood vessel and adjusting the intensity of light illuminating the region, an...
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6529770 |
Method and apparatus for imaging cardiovascular surfaces through blood
A technique for imaging cardiovascular surfaces through blood using a combination of spectral and spatial selection of radiation being reflected diffused back and by a blood vessel interior....
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6529767 |
Method and apparatus for measuring skin moisture by using near infrared reflectance spectroscopy
A set of reference moisture value of the plurality of sample skin is measured with conventional skin moisture measuring device. Then a set of standard calibration equation is provided from...
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6529768 |
Method and apparatus for acquiring fluorescence images
Intrinsic fluorescence, which has been produced from living body tissues when excitation light is irradiated to the living body tissues, is detected with an image sensor and is read out as an...
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6526299 |
Spectrum processing and processor
An elastic scattering spectrum taken from human tissue is taken and preprocessed by dividing the absorption spectrum into a plurality of wavelength ranges and fitting the measured absorption...
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6526309 |
Transcranial in vivo examination of brain tissue
An optical system and method for transcranial in vivo examination of brain tissue includes a spectrophotometer coupled to an array of optical fibers and a processor. The array of optical fibers is...
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6522911 |
Apparatus for imaging a blood vessel
A first measuring light beam of wavelength λ 1 equal to a wavelength at the isosbestic point between oxyhemoglobin and deoxyhemoglobin and a second measuring light beam of wavelength λ 2 ...
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6516216 |
Circumferential transillumination of anatomic junctions using light energy
Apparatus is provided that provides a ring of light around a junction to be viewed; the ring of light being bright enough to be seen on the other side of the junction. Such an arrangement may be...
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6510338 |
Method of and devices for fluorescence diagnosis of tissue, particularly by endoscopy
A method of and a device for the endoscopic fluorescence diagnosis of tissue, wherein the tissue is exposed to stimulating light via an endoscope for stimulation of fluorescence, which stimulating...
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6498948 |
Endoscope system
An endoscope system is provided with a normal light image capturing system, a fluorescent light image capturing system, and an OCT (Optical Coherence Tomography) image capturing system. The normal...
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6496718 |
Body cavity light using diffuse light source
An apparatus for performing medical examinations of tissue and a method of performing such examinations are described. The apparatus comprises a modified fiber-optic light source, wherein the...
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6487440 |
Optical probe having and methods for difuse and uniform light irradiation
A variety of optical probes and methods have utility in the examination of various materials, especially materials in the interior of cavities having restricted access through orifices or...
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6487439 |
Glove-mounted hybrid probe for tissue type recognition
A probe configured as a finger tip of a glove used to recognize tissue types in a human patient and adapted to perform both optical and electrical measurements to diagnose tissue type while scanned...
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6478424 |
Non-invasive imaging of retinal function
The invention provides a system for imaging reflectance changes, intrinsic or extrinsic fluorescence changes of a retina ( 6 ) due to retinal function, including an imaging illuminator ( 14 ) for...
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6480281 |
Device for localizing an object in a turbid medium
The invention relates to a device for localizing objects in turbid media. The device can be used for optical mammography. In optical mammography the interior of the part of the breast to be...
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6477403 |
Endoscope system
An endoscope system is provided with first and second light guides, which are optically coupled by an optical coupler. A low-coherent light source is provided, and the light emitted therefrom is...
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6463314 |
Nanosecond gate spectroscopic diagnostic device
A diagnosis apparatus comprises a shutter ( 11 ) disposed between a light source ( 1 ) and a lens ( 12 ) opposed to biological tissue ( 13 ); a multi-channel spectrometer (polychromator) ( 16 ) for...
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6463309 |
Apparatus and method for locating vessels in a living body
A method and apparatus for facilitating the locating of vessels in a living body, the apparatus having an enclosure for surrounding a portion of the living body, a light source positioned to...
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6454761 |
Laser surgery device and method
Laser surgery is controlled by interferometry.
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