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7623907 |
Endoscope for observing scattered light from living body tissue and method of observing scattered light from living body tissue
An endoscope apparatus and method are disclosed wherein first and second light beams, each having different center wavelengths, illuminate an object. A detector and a light receiver optical system...
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7616321 |
Optical coupler for rotating catheter
An optical coupler for coupling to a rotating catheter has a housing with a rotatable distal face and a stationary proximal face. The distal face has an eccentric port and a central port. A lens is...
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7613493 |
Automatic/manual longitudinal position translator and rotary drive system for catheters
An automatic pullback catheter system ( 2 ) includes a disposable catheter assembly ( 6 ) mountable to a drive assembly ( 4 ). The drive assembly includes a body ( 8 ) to which a drive. chassis (...
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7608842 |
Driving scanning fiber devices with variable frequency drive signals
Methods of moving or vibrating cantilevered optical fibers of scanning fiber devices are disclosed. In one aspect, a method may include vibrating the cantilevered optical fiber at an initial...
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7573020 |
Optoelectronic probe system with all-optical coupling
An optoelectronic probe system with all-optical coupling includes an optoelectronic measuring console coupled with an optoelectronic probe via an optical connector. A supplemental optical signal...
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7570983 |
Method and data processing device to support diagnosis and/or therapy of a pathological change of a blood vessel
In a method to support the diagnosis and/or therapy of a pathological change of a blood vessel of a patient, in particular in the context of coronary heart disease at a first point in time of a...
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7539531 |
Catheter device
Catheter device for insertion into a vessel of a human or animal body, comprising a guide catheter and, incorporated in same, an OCT catheter with an OCT imaging device, the guide catheter having a...
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7535935 |
Spectroscopic catheter system with widely tunable source and method of operation
A laser system for a spectroscopic catheter system uses multiple semiconductor gain media having gain peaks at different wavelengths. The output from the gain media is preferably coupled into...
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7532920 |
Guidewire with optical fiber
Apparatus and method to perform therapeutic treatment and diagnosis of a patient's vasculature through the use of an intravascular device having an optical fiber disposed therein. In an embodiment...
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7529577 |
Method and apparatus for locating foreign objects in the ear canal
The invention concerns a method for locating foreign objects on the internal surface of ear and ear canal whereby a probe having a light emitting distal portion is inserted into the ear canal, the...
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7519411 |
Method for elucidating reaction dynamics of photoreactive compounds from optical signals affected by an external magnetic field
A method elucidates reaction dynamics of photoreactive compounds from time-resolved optical signals affected by an external magnetic field. A coil or magnet applies a magnetic field at a region of...
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7486985 |
Near-infrared spectroscopic analysis of blood vessel walls
The invention relates to methods and devices for characterizing tissue in vivo, e.g., in walls of blood vessels, to determine whether the tissue is healthy or diseased.
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7477925 |
Erythema measuring device and method
An erythema meter includes a probe, a light source of one or more specific probing and reference wavelengths, and an acoustic detector which determines the level of erythema present in the dental...
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7476197 |
Scanned beam imagers and endoscopes utilizing multiple light collectors
Apparatuses and methods for scanned beam imagers and scanned beam endoscopes that utilize multiple light collectors are disclosed. In one aspect, a scanned beam imager is disclosed. The scanned...
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7447539 |
Method and equipment for fiber optic high-resolution, in particular confocal, fluorescence imaging
A method using an image guide having several thousands of optical fibers, an excitation signal emitted by a source, deflected and injected by turns into the optical fibers, each excitation point of...
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7426410 |
Spectroscopy of deeply-scattered light
A spectroscope includes first and second beam redirectors in optical communication with first and second fibers respectively. The first and second beam redirectors are oriented to illuminate...
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7366365 |
Tissue scanning apparatus and method
A system for multispectral confocal mapping of a tissue, comprising: a light source; an optical fiber having an aperture providing a confocal pinhole, a scanner being free-space coupled to said...
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7364562 |
Anti-clotting apparatus and methods for fluid handling system
A method for maintaining clear passageways in an extracorporeal blood flow system. The method comprises intermittently providing one or more anti-clotting agents to a passageway of the...
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7364543 |
Paired angled rotation scanning probes and methods of use
Probes, and systems and methods for optically scanning a conical volume in front of a probe, for use with an imaging modality, such as Optical Coherence Tomography (OCT). A probe includes an...
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7336988 |
Multi-photon endoscopy
An apparatus includes an optical element, a GRIN lens, and a detector. The optical element has a first optical aperture. The GRIN lens has first and second ends. The first end of the GRIN lens is...
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7330749 |
Fluorescence electronic endoscopic system
In fluorescent endoscopic examinations, excitation light and light adjusted by an adjuster filter are alternately projected to an object under observation, the fluorescence light is received by one...
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7329223 |
Catheter with optical fiber sensor
An apparatus and method to perform therapeutic treatment and diagnosis of a patient's vasculature through the use of an intravascular device having an optical fiber disposed therein. In an...
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7310547 |
Fluorescent fiberoptic probe for tissue health discrimination
A system and method for the in situ discrimination of healthy and diseased tissue. A fiberoptic based probe is employed to direct ultraviolet illumination onto a tissue specimen and to collect the...
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7302289 |
Readable probe array for in-vivo use
A disposable high density optically readable polydeoxynucleotide array with integral fluorescence excitation and fluorescence emission channels is described. The compact array size allows...
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7302287 |
Methods of detecting inflammation of an epithelium layer in the oral region with a probe using diffuse-reflectance spectroscopy
The invention provides a device and method for monitoring inflammation of the epithelium. The device consists of a head region, a handle region and an optical bundle. At least two of the optical...
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7289842 |
System for medical examination or treatment
The invention relates to a medical investigation and/or treatment system comprising:
a catheter system, comprising a catheter ( 1, 7, 9 ), with a first sensor ( 4, 11 ) of an imaging system...
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7288759 |
Tissue-like phantoms
The invention is based, in part, on the discovery that by combining certain components one can generate a tissue-like phantom that mimics any desired tissue, is simple and inexpensive to prepare,...
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7285089 |
Confocal imaging equipment in particular for endoscope
Equipment includes an image guide ( 1 ) consisting of flexible optical fibers with: on the proximal end side: a source ( 2 ), angular scanning elements ( 3 ), injection elements ( 4 ) in one of the...
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7283858 |
Fluorescent-light image display method and apparatus therefor
An image containing data relating to the tissue-state and the tissue-form of a target area is displayed. A fluorescent-light image having two different wavelength bands of fluorescent-light is...
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7282723 |
Methods and apparatus for processing spectral data for use in tissue characterization
The invention provides methods for processing tissue-derived spectral data for use in a tissue classification algorithm. Methods of the invention comprise application of spectral and/or image masks...
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7242832 |
Device for tissue characterization
A probe for use in characterizing tissue. The probe includes a plurality of optical fibers and an optical element. Each fiber includes a distal portion and a proximal portion. The fibers transmit...
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7241286 |
Flush catheter with flow directing sheath
A flush catheter is provided which is configured to be introduced into an orifice to create a flush zone therein. The flush catheter includes a catheter body having an inner cavity, the inner...
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7235045 |
Fluorescence imaging endoscope
An endoscope having an optical guide that is optically coupled to a first broadband light source and a second laser light source that emits light at a wavelength in a range of 350 nm to 420 nm. The...
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7223232 |
Endoscope probe system having confocal optical systems
An endoscope probe system includes an endoscope probe to be inserted into a body cavity to observe tissue of a living body. The endoscope probe system further includes a laser source that emits...
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7197404 |
Computation of radiating particle and wave distributions using a generalized discrete field constructed from representative ray sets
The present system and method for simulating particles and waves is useful for calculations involving nuclear and full spectrum radiation transport, quantum particle transport, plasma transport and...
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7194118 |
System for optically sectioning and mapping surgically excised tissue
A display ( 34 ) provides from digital images of an excised tissue specimen the orientation and location of tissue and regions of interest (cancers). Images of slices through excised specimen are...
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7181267 |
Electronically scanned coherence tomography with frequency modulated signals
An improved Optical Coherence Domain Reflectometry (OCDR) system is provided. One embodiment of this OCDR system outputs a detector signal carrying image depth information on multiple modulation...
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7181265 |
Fluorescent image obtaining apparatus
A fluorescent image obtaining apparatus for obtaining as an image the data relating to the fluorescent light emitted from a measurement portion upon the irradiation thereof by an excitation light,...
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7180600 |
Optical imaging apparatus
An optical imaging apparatus has an optical scanning probe configured to irradiate low-coherence light onto a subject and to perform photo-reception of light scattered at the subject, and an...
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7167742 |
Utilization of an infrared probe to discriminate between materials
A method of evaluating the surface of a material that has a distinguishable infrared spectrum comprising (a) positioning an infrared fiber optic probe to be in contact with a surface of the sample...
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7151956 |
Imaging apparatus and an imaging head used therefor
An imaging apparatus in which an imaging head having an observation hole for intaking images of an object to be observed formed at a top end is exchangeably mounted to a main body having an imaging...
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7113818 |
Apparatus for high resolution imaging of moving organs
Apparatus for high resolution imaging of a moving object comprises a source of low coherence light, an optical coherence tomography imaging instrument or a dual channel, optical coherence...
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7113817 |
Optical imaging of blood circulation velocities
New devices and methods are provided for noninvasive and noncontact real-time measurements of tissue blood velocity. The invention uses a digital imaging device such as a detector array that allows...
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7103402 |
Advanced synchronous luminescence imaging for chemical and medical diagnostics
A diagnostic method and associated system includes the steps of exposing at least one sample location with excitation radiation through a single optical waveguide or a single optical waveguide...
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7076286 |
Surgical microscope
First sensing means senses the three-dimensional position of a microscope, with an operating site as the origin. Second sensing means senses the three dimensional position of a surgical instrument...
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7043291 |
Fluorescence image display apparatus
A fluorescence image display apparatus is provided; wherein, when a pseudo color image representing the tissue state of a target subject is obtained, based on a fluorescence image emitted from the...
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7039453 |
Miniature ingestible capsule
A miniature ingestible imaging capsule having a membrane defining an internal cavity and being provided with a window is provided. A lens is disposed in relation to said window and a light source...
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7039452 |
Method and apparatus for Raman imaging of macular pigments
A method and apparatus are provided for Raman imaging of carotenoids and related chemical substances in biological tissue, such as macular pigments. The method and apparatus utilize the technique...
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7010339 |
Hybrid lidar-radar for medical diagnostics
A hybrid lidar-radar system for detecting the presence of objects, such as cancerous tumors, within tissues by detecting reflected signals from the tissue and discriminating the information related...
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6993376 |
Radiation measurement within the human body
A displacement difference dosimetry method is provided for use with in-vivo scintillating fiber radiation detectors. A scintillating fiber includes an insertion end which is incrementally inserted...
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