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Tomography patents



      
           
This page is updated frequently with new Tomography-related patent applications. Subscribe to the Tomography RSS feed to automatically get the update: related Tomography RSS feeds. RSS updates for this page: Tomography RSS RSS


Data-driven optimization of event acceptance/rejection logic

Positron emission tomography systems for use with mammography machines and associated devices and methods

Automatic spinal canal segmentation using cascaded random walks

Date/App# patent app List of recent Tomography-related patents
09/11/14
20140257566
 Method of operating an automated radiopharmaceutical synthesizer patent thumbnailMethod of operating an automated radiopharmaceutical synthesizer
The present invention relates to calibration and normalization systems and methods for ensuring the quality of radiopharmaceuticals during the synthesis thereof, such as radiopharmaceuticals used in positron emission tomography (pet) and single-photon emission computed tomography (spect).. .
09/11/14
20140257096
 Data-driven optimization of event acceptance/rejection logic patent thumbnailData-driven optimization of event acceptance/rejection logic
In positron emission tomography, a time window (260) and an energy window (225) are dynamically adjusted, based on an attenuation map, count rate, clinical application, discrimination tailoring, and/or offline discrimination tailoring. Detected radiation events are filtered using the dynamically adjusted energy and time windows into scattered events, random events, and true events.
09/11/14
20140257093
 Positron emission tomography systems for use with mammography machines and associated devices and methods patent thumbnailPositron emission tomography systems for use with mammography machines and associated devices and methods
The present technology describes various embodiments of positron emission tomography (pet) systems for use with mammography machines and associated devices and methods. In several embodiments, a pet system includes a tissue platform and one or more pet detection panels removably coupled to the mammography machine.
09/11/14
20140254907
 Automatic spinal canal segmentation using cascaded random walks patent thumbnailAutomatic spinal canal segmentation using cascaded random walks
A method and apparatus for automatic spinal canal segmentation in medical image data, such as computed tomography (ct) image data, is disclosed. An initial set of spinal canal voxels is detected in the 3d medical image using a trained classifier.
09/11/14
20140254905
 Computed tomography image reconstruction patent thumbnailComputed tomography image reconstruction
Approaches for performing computed tomographic image reconstruction are described. In one embodiment, a full or almost full scan of scan data is acquired and a plurality of image reconstructions are performed based on the scan data, wherein the plurality of image reconstructions result in a corresponding plurality of image volumes wherein the image reconstructions use different view weighting functions.
09/11/14
20140254770
 X-ray computed tomography device calibration and verification apparatus patent thumbnailX-ray computed tomography device calibration and verification apparatus
An apparatus for calibrating an x-ray computed tomography device has a plurality of objects formed from a material that is visible to x-rays, and a base at least in part fixedly supporting the plurality of objects so that each of the plurality of objects contacts at least one of the other objects. Each one of the plurality of objects: 1) is configured to receive x-rays without changing shape, 2) has substantially the same shape and size as the other objects, 3) has an attenuation value to x-rays (“object attenuation value”), and 4) is symmetrically shaped relative to its center point.
09/11/14
20140254748
 System and method for saving time and dose in computed tomography patent thumbnailSystem and method for saving time and dose in computed tomography
The present invention pertains to a system and method for x-ray imaging wherein a targeted fluence at the detector for projection images can be achieved at a plurality of projection angles around the imaging subject by control of exposure times implemented during image acquisition. Exposure time for a second projection image may be determined by the fluence in a first projection image, and in a third projection image by the fluence in a second projection image, where projection images are acquired within two degrees of one another.
09/11/14
20140253927
 Acoustic signal receiving apparatus and photo-acoustic tomography patent thumbnailAcoustic signal receiving apparatus and photo-acoustic tomography
An acoustic signal receiving apparatus including: a fabry-perot sensor including a fabry-perot interferometer configured to convert an acoustic wave into a light intensity signal; a control unit configured to set a first wavelength and a second wavelength; a detecting unit configured to convert light intensities obtained by irradiation of the fabry-perot sensor with light from the first light source and the second light source into electric signals; and a signal processing unit configured to acquire a difference between an electric signal corresponding to the first wavelength and an electric signal corresponding to the second wavelength, wherein the control unit is configured to set the first wavelength and the second wavelength so that differential values of reflectivity spectrum of the fabry-perot sensor are different at the first wavelength and the second wavelength.. .
09/11/14
20140253926
 Optical coherence tomography device capable of controlling measuring position patent thumbnailOptical coherence tomography device capable of controlling measuring position
An optical coherence tomography device (oct) is capable of controlling a distance between an eye to be examined (object) and the oct and accurately center-aligning the eye. A mire ring optical system emits a measuring mire ring light to an object to be examined.
09/11/14
20140253925
 Surface emitting laser and optical coherence tomography apparatus equipped with surface emitting laser patent thumbnailSurface emitting laser and optical coherence tomography apparatus equipped with surface emitting laser
A surface emitting laser according to the present invention includes a lower reflector, a first spacer layer, an active layer, a second spacer layer composed of a semiconductor material, a gap section formed of at least one of vacuum and gas, and an upper reflector in the written order, and also includes a control mechanism that changes a distance between an interface between the second spacer layer and the gap section and an interface between the upper reflector and the gap section. An optical path length neff×d extending from an interface between the lower reflector and the first spacer layer to an interface between the second spacer layer and the gap section satisfies a predetermined relationship..
09/04/14
20140249407
Miniature optical elements for fiber-optic beam shaping
In part, the invention relates to optical caps having at least one lensed surface configured to redirect and focus light outside of the cap. The cap is placed over an optical fiber.
09/04/14
20140248212
Non-immunogenic positron emission tomography reporter gene systems
Embodiments of the invention include a pet/spect reporter gene system that uses enhanced non-immunogenic versions of a human mitochondrial thymidine kinase 2 expressed in cytoplasm to preferentially trap novel pet/spect radiolabeled l and d-enantiomer analogs of the natural substrate thymidine. Such highly sensitive, non-immunogenic reporter genes function in combination with a set of novel, radiolabeled probes in whole body molecular imaging applications using positron emission tomography (pet) or single photon emission computed tomography (spect)..
09/04/14
20140248210
Multimodal silica-based nanoparticles
The present invention provides a fluorescent silica-based nanoparticle that allows for precise detection, characterization, monitoring and treatment of a disease such as cancer. The nanoparticle has a range of diameters including between about 0.1 nm and about 100 nm, between about 0.5 nm and about 50 nm, between about 1 nm and about 25 nm, between about 1 nm and about 15 nm, or between about 1 nm and about 8 nm.
09/04/14
20140247919
Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography
A radiation treatment and imaging system for emitting a radiation treatment beam and x-ray imaging beams towards an object. The system includes an x-ray source and a collimator, first and second detectors, and a linear accelerator that delivers radiation beams to an object.
09/04/14
20140247456
Method for photoacoustic tomograpy
The invention relates to a method for photoacoustic tomography of a sample, deformations on a measurement surface of the sample being measured as a function of location and time, the deformations resulting from the absorption of a pulsed excitation radiation on at least one spectrally addressable target structure in the sample interior while emitting thermomechanical pressure waves in the direction of the measurement surface, and the measured deformations being fed to a reconstruction method for determining the position of the target structure in the sample interior.. .
09/04/14
20140247455
Optical coherence tomography assembly
An oct assembly comprising: (a) a light transmissive rod having a first end, a second end, and a central axis; and a refractive surface adjacent to the second end; (b) a housing surrounding the oct probe component; the housing having a tubular body with the window situated over the refractive surface, said tubular body having a surface wherein said surface of said tubular body has a coefficient of friction being less than 0.3; (c) an optical fiber connected to the oct probe component; (d) an annular structure surrounding said optical fiber and capable of translating and rotating the oct probe component.. .
09/04/14
20140247443
3d laser ablation tomography
A laser ablation tomography system includes a specimen stage for supporting a specimen. A specimen axis is defined such that a specimen disposed generally on the axis may be imaged.
09/04/14
20140247427
Hybrid spectral domain optical coherence tomography line scanning laser ophthalmoscope
An apparatus for imaging an eye includes a housing and a system of optical components disposed in the housing. The apparatus is capable of operating in a line scanning laser ophthalmoscope (lslo) mode and an optical coherence tomography (oct) mode.
09/04/14
20140247426
Imaging apparatus and imaging method using optical coherence tomography
Provided is an imaging apparatus using fourier-domain optical coherence tomography, the imaging apparatus removing noises caused by the autocorrelation component of returning light to obtain a high-resolution tomographic image. A first switching unit 17 switches a first state in which returning light 12 is combined with reference light (a state in which the returning light 12 is conducted to a combining unit 22) and a second state different from the first state (a state in which the light path of the returning light 12 is blocked or changed).
09/04/14
20140247425
Multi-functional adaptive optics retinal imaging
An optical apparatus includes a system of optical components capable of operating in a scanning laser ophthalmoscope (slo) mode and an optical coherence tomography (oct) mode. The system of optical components includes a first optical module for the slo mode, a second optical module for the oct mode, and a first scanning device.
08/28/14
20140244175
Compensated crosswell tomography methods and systems
A method and system to compensate for inaccuracies in crosswell tomography is presented. The method includes obtaining data from at least two receivers in response to transmissions from at least two transmitters.
08/28/14
20140243662
Method for estimating flow rates and pressure gradients in arterial networks from patient specific computed tomography angiogram-based contrast distribution data
An embodiment in accordance with the present invention provides a method for non-invasively determining the functional severity of arterial stenosis in a selected portion of an arterial network. The method includes gathering patient-specific data related to concentration of a contrast agent within an arterial network using a coronary computed tomography angiography scan (ccta).
08/28/14
20140243532
Novel precursors of glutamate derivatives
This invention relates to novel precursors suitable for 18f radiolabeling of glutamate derivatives, methods for preparing such compounds and its intermediates, compositions comprising such compounds, kits comprising such compounds or compositions and methods for 18f radiolabeling of glutamate derivatives wherein the obtained 18f radiolabeled glutamate derivatives are suitable for diagnostic imaging by positron emission tomography (pet) of proliferative diseases e.g. Tumor in mammals..
08/28/14
20140243500
Calibration and normalization systems and methods for radiopharmaceutical synthesizers
The present invention relates to calibration and normalization systems and methods for ensuring the quality of radiopharmaceuticals during the synthesis thereof, such as radiopharmaceuticals used in positron emission tomography (pet) and single-photon emission computed tomography (spect).. .
08/28/14
20140241605
Methods and computer program products for quantitative three-dimensional image correction and clinical parameter computation in optical coherence tomography
Methods and computer program products for quantitative three-dimensional (“3d”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“oct”) dataset from an oct system can be segmented.
08/28/14
20140241596
Apparatus and method for capturing a vital vascular fingerprint
A method using optical coherence tomography to capture the microvascular network of the superficial layer of the finger skin for the purpose of fingerprint authentication and liveness detection. At the dermal papilla region, the vascular pattern follows the same pattern of the fingerprint and this vascular pattern forms a live vascular fingerprint.
08/28/14
20140241490
Extremity imaging apparatus for cone beam computed tomography
An apparatus for cone beam computed tomography of an extremity has a digital radiation detector and a first device to move the detector along a circular detector path extending so that the detector moves both at least partially around a first extremity of the patient and between the first extremity and a second, adjacent extremity. The detector path has radius r1 sufficient to position the extremity approximately centered in the detector path.
08/28/14
20140241489
Method for scattering correction for sparsely distributed stationary detectors and rotating x-ray source
A spectral computed tomography scanner apparatus, including a rotating x-ray source, a plurality of fixed energy-discriminating detectors, a processor that generates a shadow map that indicates, for each detector/view angle, a shadow state of the detector, the shadow state indicating that one of x-rays are completely blocked by a second detector and do not reach the detector, the x-rays are partially blocked by the second detector and partially reach the detector, the x-rays are not blocked by any of the detectors and reach the detector, and the detector is not with the scan field of view at the view angle, and a controller configured to cause the scanner apparatus to perform a scan of an object over a first range of view angles to collect view data, wherein the processor is configured to perform scatter correction using the collected view data and the generated shadow map.. .
08/28/14
20140240670
Method of motion correction in optical coherence tomography imaging
An image data set acquired by an optical coherence tomography (oct) system is corrected for effects due to motion of the sample. A first set of a-scans is acquired within a time short enough to avoid any significant motion of the sample.
08/28/14
20140239951
Mr electrical properties tomography
The invention relates to a method of mr imaging of an object (10) placed in an examination volume of a mr device (1). It is an object of the invention to enable improved electrical properties tomography.
08/28/14
20140239184
Radiation tomography apparatus
The disclosure has one object to provide a radiation tomography apparatus of a low price that facilitates a design change of a detector ring to suppress costs of development. The radiation tomography apparatus according to the disclosure includes a plurality of modules configured to receive detected data from different radiation detectors.
08/21/14
20140236488
Computed tomography calibration systems and methods
According to certain embodiments of the invention, computer hardware and software can perform single or dual-energy decomposition calculations and predict ct values for either single-energy or dual energy ct from basis material decomposition estimates derived using theoretical models. Using that information, the computer hardware and software can (among other things) present one dimensional information from a ct scanner, such as representative pixel value, in two dimensions, such as a line in two dimensional basis material space..
08/21/14
20140236021
Near-infrared super-continuum lasers for early detection of breast and other cancers
A system and method for using near-infrared or short-wave infrared (swir) light sources for early detection and monitoring of breast cancer, as well as other kinds of cancers may detect decreases in lipid content and increases in collagen content, possibly with a shift in the collagen peak wavelengths and changes in spectral features associated with hemoglobin and water content as well. Wavelength ranges between 1000-1400 nm and 1600-1800 nm may permit relatively high penetration depths because they fall within local minima of water absorption, scattering loss decreases with increasing wavelength, and they have characteristic signatures corresponding to overtone and combination bands from chemical bonds of interest, such as hydrocarbons.
08/21/14
20140236003
Interfacing systems, devices, and methods for optical imaging
An imaging interface for diffuse optical tomography of breast includes a plurality of concentric rings. Each concentric ring can include a plurality of optical input/output apertures arranged on a radially inner surface thereof.
08/21/14
20140236002
Methods and systems for imaging tissue motion using optical coherence tomography
A system and method for measuring tissue motion within a living tissue of the anterior segment and aqueous outflow system of the eye in a subject are provided. Tissue movements are extracted from a plurality of images acquired from the living tissue using an optical coherence tomography system.
08/21/14
20140234804
Assisted guidance and navigation method in intraoral surgery
An assisted guidance and navigation method in intraoral surgeries is a method using computerized tomography (ct) photography and an optical positioning system to track medical appliances, the method including: first providing an optical positioning treatment instrument and an optical positioning device; then obtaining image data of the intraoral tissue receiving treatment through ct photography, precisely displaying actions of the treatment instrument in the image data, and real-time checking an image and guidance and navigation. Therefore, during the surgery, the existing use habits of the physicians are not affected and accurate and convenient auxiliary information is provided, and attention is paid to using the treatment instrument in physical environments such as a patient's tooth or dental model..
08/21/14
20140234438
Diagnostic method and treatment
Methods for detecting early stage fungal infection (and especially esca or esca-like infections) in woody plants are disclosed, using x-ray tomographic imaging. In preferred embodiments, axial x-ray tomography is employed, with radiodense regions of the tomograms indicating the location of such infection.
08/21/14
20140233840
Methods for analyzing absorbent articles
A method for analyzing an absorbent article may include providing a three-dimensional computed tomography data set comprising a mannequin image and an article image. The article image may be constructed from projections collected while the absorbent article is fitted to a mannequin.
08/21/14
20140233694
Apparatus and method for angular response calibration of photon-counting detectors in sparse spectral computed tomography imaging
A method for detector angular response calibration in computed-tomography (ct) comprising capturing incident x-ray photons, emitted from an x-ray source, via a plurality of energy-discriminating detectors, determining photon counts of the captured incident x-ray photons in a plurality of energy windows at each energy-discriminating detector, and adjusting the photon counts based on a pre-determined detector angular response calibration look-up table for a given view for each energy-discriminating detector at each energy window.. .
08/21/14
20140233693
Apparatus and method for count loss calibration of photon-counting detectors in spectral computed tomography imaging
A method for photon count-loss calibration in a computed-tomography (ct) scanner, including capturing incident x-ray photons via a plurality of energy-discriminating detectors, determining photon counts of the captured incident x-ray photons in a plurality of energy windows at each energy-discriminating detector, and adjusting the determined photon counts in each energy window for each energy-discriminating detector based on a pre-determined photon count-loss look-up table and the determined photon counts.. .
08/21/14
20140233691
Computed tomography imaging process and system
A computed tomography imaging process, including: acquiring projection images of an object by detecting radiation that has passed through the object for respective different relative orientations of the object and the radiation; and processing the projection images to generate a tomogram of the object; wherein the radiation passes through the object in the form of a diverging beam, and the different acquire set of projection images for a relative orientations of the object and the beam of radiation define two or more complete trajectories of the beam along the object, the complete trajectories being mutually offset to reduce the degradation of spatial resolution in portions of the generated tomogram due to the divergence of the beam through the object.. .
08/21/14
20140233041
Computerized movable laser system for radiographic patient positioning
A system for radiographic patient positioning includes at least one laser. An orientation sensor is associated with a laser and the orientation sensor produces tilt data indicative of an orientation of a laser.
08/21/14
20140233035
Broadband or mid-infrared fiber light sources
An optical system for use in an imaging procedure includes one or more semiconductor diodes configured to generate an input signal beam with a wavelength shorter than 2.5 microns that is amplified and communicated through optical fiber(s) to a nonlinear element configured to broaden the spectral width to at least 50 nm through a nonlinear effect. A subsystem includes lenses or mirrors to deliver an output beam having a broadened spectrum to an optical coherence tomography apparatus with a sample and reference arm to perform imaging for characterizing the sample.
08/21/14
20140231655
Modelling of tof-doi detector arrays
The invention is directed to several crystal arrangements for time-of-flight (tof) positron emission tomography (pet) with depth of interaction (doi) encoding for high spatial, energy and timing resolution. Additionally, several implementations of the tof-doi pet detector arrays are proposed with related measurements which all show that no timing degradation is visible in the used setup for first photon trigger for digital silicon photo multipliers (dsipms)..


Popular terms: [SEARCH]

Tomography topics: Tomography, Imaging System, Computed Tomography, Positron Emission Tomography, Control Unit, Data Acquisition, Ion Source, Semiconductor, Charge Amplifier, Single Photon

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This listing is a sample listing of patent applications related to Tomography for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Tomography with additional patents listed. Browse our RSS directory or Search for other possible listings.
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