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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


Characteristic x-ray escape correction in photon-counting detectors

Toshiba

Characteristic x-ray escape correction in photon-counting detectors

Single coil magnetic induction tomographic imaging

Kimberly-clark Worldwide

Single coil magnetic induction tomographic imaging


Date/App# patent app List of recent Tomography-related patents
08/27/15
20150244515 
 Communication method, communication device and magnetic resonance tomography system with communication device patent thumbnailnew patent Communication method, communication device and magnetic resonance tomography system with communication device
A communication method for communication between a first and a second communication apparatus, where at least one wanted signal is transmitted from the second communication apparatus to the first communication apparatus is provided. The method includes sending a first carrier signal at a first frequency using the first communication apparatus.

08/27/15
20150243070 
 Tomography apparatus and  reconstructing a tomography image by the tomography apparatus patent thumbnailnew patent Tomography apparatus and reconstructing a tomography image by the tomography apparatus
A tomography apparatus includes a data acquirer which acquires a first image which corresponds to a first time point and a second image which corresponds to a second time point by performing a tomography scan on an object; an image reconstructor which acquires first information which relates to a relationship between a motion amount of the object and the time based on a motion amount between the first image and the second image, predicts a third image which corresponds to a third time point between the first and second time points based on the first information, corrects the first information by using the predicted third image and measured data which corresponds to the third time point, and reconstructs the third image by using the corrected first information; and a display which displays the reconstructed third image.. .
Samsung Electronics Co., Ltd.


08/27/15
20150243045 
 Tomography  reconstructing tomography image thereof patent thumbnailnew patent Tomography reconstructing tomography image thereof
A tomography apparatus includes a data acquirer acquiring a first image and a second image that are partial images, by using data acquired in a first angular section corresponding to a first time point and a second angular section corresponding to a second time and facing the first angular section, by performing a tomography scan on an object that is moving, and acquiring first information indicating a motion amount of the object by using the first image and the second image, and an image reconstructor reconstructing a target image indicating the object at a target time, based on the first information.. .
Samsung Electronics Co., Ltd.


08/27/15
20150243022 
 Characteristic x-ray escape correction in photon-counting detectors patent thumbnailnew patent Characteristic x-ray escape correction in photon-counting detectors
A method and an apparatus for determining primary and secondary escape probabilities for a large photon-counting detector without pile-up. A model for the detector with no pile-up is formulated and used for spectrum correction in a computed tomography scanner.
Kabushiki Kaisha Toshiba


08/27/15
20150241373 
 Coil for magnetic induction to tomography imaging patent thumbnailnew patent Coil for magnetic induction to tomography imaging
A coil for facilitating magnetic induction tomography imaging of a specimen, such as a human tissue specimen, using a single coil is provided. The coil can include a plurality of concentric conductive circular loops.
Kimberly-clark Worldwide, Inc.


08/27/15
20150241372 
 Single coil magnetic induction tomographic imaging patent thumbnailnew patent Single coil magnetic induction tomographic imaging
Systems, methods, and apparatus for magnetic induction tomography imaging of specimens, such as human tissue specimens, using a single coil are provided. A plurality of coil property measurements can be obtained using the single coil at a plurality of discrete locations relative to the specimen.
Kimberly-clark Worldwide, Inc.


08/27/15
20150241202 
 Optical coherence tomography imaging system and method patent thumbnailnew patent Optical coherence tomography imaging system and method
An optical imaging system includes an optical radiation source (410, 510), a frequency clock module outputting frequency clock signals (420), an optical interferometer (430), a data acquisition (daq) device (440) triggered by the frequency clock signals, and a computer (450) to perform multi-dimensional optical imaging of the samples. The frequency clock signals are processed by software or hardware to produce a record containing frequency-time relationship of the optical radiation source (410, 510) to externally clock the sampling process of the daq device (440).
Thorlabs, Inc.


08/27/15
20150238161 
 Registration of 4th generation detectors relative to the 3rd generation ct system coordinates using 4th generation sinogram data patent thumbnailnew patent Registration of 4th generation detectors relative to the 3rd generation ct system coordinates using 4th generation sinogram data
A method is provided for determining, for a fourth-generation computed tomography (ct) scanner that includes a third-generation x-ray source and detector system and a plurality fixed, sparse photon-counting detectors (pcds), a position of each pcd of the plurality of pci)s. The method includes determining, for a given pcd, a set of view angles at which the pci) will cast a shadow on the third-generation detector; determining, for each view, by analyzing projection data obtained from a reference scan, a corresponding shadow location on the third-generation detector caused by the given pcd; generating, for each view, a line connecting a position of the x-ray source at the view angle, and a corresponding shadow location of the set of shadow locations; determining locations of all intersection points of the set of lines; and determining a pcd centerline of the given pcd based on the locations of the intersection points..
Kabushiki Kaisha Toshiba


08/27/15
20150238157 
 Novel ordered subset scheme in spectral ct patent thumbnailnew patent Novel ordered subset scheme in spectral ct
A spectral computed tomography (ct) ordered subsets (os) reconstruction method using two sets of projection data having a different number of views is provided. The method includes obtaining a first set of projection data that includes single-energy ct data for a first number of views, obtaining a second set of projection data that includes spectral ct data for a second number of views, wherein the first and second numbers are integers and the second number is smaller than the first number, partitioning the first set of projection data into n equal-sized subsets of projection data, including the second set of projection data in each of the n subsets of projection data to generate n expanded subsets of projection data, and performing os reconstruction with the n expanded subsets of projection data to generate a reconstructed ct image..
Kabushiki Kaisha Toshiba


08/27/15
20150238114 
 Methods for assessing health conditions using single coil magnetic induction tomography imaging patent thumbnailnew patent Methods for assessing health conditions using single coil magnetic induction tomography imaging
Methods for assessing a health condition of an individual using single coil magnetic induction tomography imaging are provided. A target area for medical imaging on a patient can be identified.
Kimberly-clark Worldwide, Inc.


08/20/15
20150235363 

Systems and methods for identifying bone marrow in medical images


Systems and method for identifying bone marrow in medical images are provided. A method includes obtaining a three-dimensional (3d) computed tomography (ct) volume data set corresponding to an imaged volume and identifying voxels in the 3d ct volume data set having a hounsfield unit (hu) value below a bone threshold.
General Electric Company


08/20/15
20150234027 

Magnetic resonance method and apparatus


In a method and magnetic resonance (mr) tomography system for generating image data of a subject to be examined, situated in an mr scanner, during a magnetic resonance measurement the subject is repeatedly moved back and forth relative to a magnet/gradient system of the mr scanning between a starting position and an end position. During this movement, portions of a total raw image data set, which is required for the reconstruction of image data for slices of an image stack in the subject, are in each case acquired in different sweeps from the starting position to the end position and/or from the end position to the starting position..
Siemens Aktiengesellschaft


08/20/15
20150234022 

Device combining magnetic resonance imaging and positron emission tomography for breast examination


A device combining magnetic resonance imaging and positron emission tomography for a breast examination is revealed herein to comprise an air pressure source, a servo flow control module, a pedestal disposed under a breast accommodating hole of a breast mri bed and having a bearing platform for bearing a pet scanner ring thereon, a non-metallic and non-magnetic pneumatic actuator disposed on the pedestal and connected with the servo flow control module, and a movable pulley having a first nylon rope whose one end connects to the bearing platform and the other end connects to a counterweight unit, wherein the bearing platform connects to a displacement measurement unit by a second nylon rope for receipt of a location information thereof and transmission of the same to the servo flow control module for controlling the opening of the servo flow control valve to change gas flows entering into the pneumatic actuator.. .

08/20/15
20150233701 

Enhanced oct measurement and imaging apparatus and method


The invention teaches a method, apparatus and system for enhancing measurement and imaging using optical coherence tomography (oct) by using a pressure wave, such as ultrasound, in conjunction with oct to make measurements and generate images of a target. The pressure signal modulates the refractive index of the target at high speed, thereby disrupting the generation of a constant speckle noise pattern and thereby reducing speckle noise.

08/20/15
20150230895 

Post for modelling dental implants by means of a radiologic test


This post (1) comprises: a body (11) of biocompatible and radiologically visible material, a threaded shank (12) for being attached to a dental implant (2), and an open or closed cavity (13), of a predetermined geometrical shape, arranged at a pre-set position on the post (1), defined in the same material from which the post is made and containing a substance (14) of a different density from that of the material from which the post (1) is made; said substance (14) presenting suitable properties for the cavity (13) containing the same and/or the substance (14) itself in order to be visible through magnetic resonance, ionizing radiation of the cat (computerized tomography) or cbct (cone beam computerized tomography) type, or any other similar radiologic test.. .

08/20/15
20150230772 

X-ray computed tomography apparatus


An x-ray computed tomography apparatus according to an embodiment includes an x-ray detector, a data-acquisition module and a reconstruction module. In the x-ray detector, a plurality of x-ray detection elements are arranged in a channel direction and a column direction.
Toshiba Medical Systems Corporation


08/20/15
20150230766 

Stationary source computed tomography and ct-mri systems


The present invention provides stationary ct architecture for imaging at a faster temporal resolution and lower radiation dose. In embodiments, the architecture features stationary distributed x-ray sources and rotating x-ray detectors.
Virginia Tech Intellectual Properties, Inc.


08/20/15
20150230762 

System and single-scan rest-stress cardiac pet


The present invention provides a system and method for performing a single-scan rest-stress cardiac measurement. In one aspect, the system includes a positron emission tomography (pet) imaging system, a source of a first pet radiotracer for administration to a subject, a source of a second pet radiotracer for administration to a subject, and a processor.

08/20/15
20150230709 

Rotating optical catheter tip for optical coherence tomography


The present invention relates to a rotating catheter tip for optical coherence tomography based on the use of an optical fiber that does not rotate, that is enclosed in a catheter, which has a tip rotates under the influence of a fluid drive system to redirect light from the fiber to a surrounding vessel and the light reflected or backscattered from the vessel back to the optical fiber.. .
Board Of Regents, The University Of Texas System


08/20/15
20150230702 

Intraoperative imaging system and apparatus


Systems, methods and apparatuses for an intraocular imaging system are disclosed comprising an optical coherence tomography (oct) system. The oct system has an imaging range that may enable substantial portions of an eye or even a whole eye to be imaged.
Adventus Technologies Inc.


08/13/15
20150228070 

Method and system for automatic pelvis unfolding from 3d computed tomography images


A method and system for automatic pelvis unfolding from 3d computed tomography (ct) images is disclosed. A 3d medical image, such as a 3d ct image, is received.
Siemens Aktiengesellschaft


08/13/15
20150226861 

X-ray computer-tomography apparatus


An x-ray computer-tomography (ct) apparatus includes an x-ray detector, a reading unit, and a read control unit. The x-ray detector has a first region and a second region at least a part of which is aligned with the first region along a channel direction, the first region in which a plurality of first detection devices that detect x-rays are arranged, the second region in which a plurality of second detection devices having a width smaller in a slice direction than that of the first detection device are arranged.
Toshiba Medical Systems Corporation


08/13/15
20150226816 

Patient communication in magnetic resonance tomography


A magnetic resonance tomograph has a component on which the head of a patient rests during imaging in a contact area. The magnetic resonance tomograph also has a patient communication device for communicating information to the patient.

08/13/15
20150226537 

System and optical coherence tomography and positioning element


A system and method for optical coherence tomography includes an interferometer and a sensor head which emits electromagnetic radiation toward an object to be examined and electromagnetic radiation reflected by the object is fed back into the interferometer; a positioning element configured to position the sensor head relative to the object to be examined and including a support which is provided at the object and on which the sensor head can be placed, a first area that is substantially transmissive to the radiation emitted by the interferometer and reflected by the object, and a second area having a transmittance to the radiation emitted by the interferometer and/or reflected by the object that is different from the transmittance of the first area; an image generator configured to generate one or more images on the basis of the electromagnetic radiation reflected by the object and/or by the positioning element; a display device configured to display the generated images; and a controller configured to control the generation and display of the images in such a manner that the sensor head can be brought into a desired position on the positioning element on the basis of the generated and displayed images.. .
Agfa Healthcare Nv


08/13/15
20150223921 

Structurally encoded implantable devices


An implant device identifiable after implantation comprises a main portion of the implant device and a coded portion of the implant device. The coded portion comprises a radiopaque element and indicia on the radiopaque element or indicia as a plurality of radiopaque elements disposed within the coded portion.

08/13/15
20150223907 

Structurally encoded spinal implant device


A spinal implant device identifiable after implantation comprises an outer cage member and an implant body. The implant body is disposed between a first vertebra end and a second vertebra end of the outer cage and defines a plurality of planes.
Meridian Lifesciences Llc


08/13/15
20150223899 

Method of manufacturing a structurally encoded implantable device


An implant device identifiable after implantation comprises a main portion of the implant device and a coded portion of the implant device. The coded portion comprises a radiopaque element and indicia on the radiopaque element or indicia as a plurality of radiopaque elements disposed within the coded portion.

08/13/15
20150223771 

Tomography apparatus and displaying tomography image by tomography apparatus


A tomography apparatus includes an image processor configured to reconstruct a tomography image by using pieces of image data that are acquired during partial periods included in a heartbeat period; and a display configured to display a screen image, which includes information representing the heartbeat period, and the reconstructed tomography image, and on which the partial periods and image sections corresponding to the partial periods are displayed in association with each other.. .
Samsung Electronics Co., Ltd.


08/13/15
20150223768 

Unique device identification through high data density structural encoding


An implant device identifiable after implantation comprises a main portion of the implant device and a coded portion of the implant device. The coded portion comprises a radiopaque element and indicia on the radiopaque element or indicia as a plurality of radiopaque elements disposed within the coded portion.

08/13/15
20150223697 

Systems and methods for dynamic imaging of tissue using digital optical tomography


A methods for imaging tissue using diffuse optical tomography with digital detection includes directing at the tissue a plurality of amplitude modulated optical signals from a plurality of optical signal sources illuminating the tissue at a plurality of locations; detecting a resulting plurality of attenuated optical signals exiting the tissue to obtain a plurality of analog signals containing diffuse optical tomographic information; converting the analog signals into digital signals; recovering the tomographic information from the digital signals using a digital signal processor-based detection module that performs digital detection, wherein the detection module includes a master digital signal processing subsystem and at least one slave digital signal processing subsystem that processes at least a portion of the digital signals and the master digital signal processing subsystem controls the at least one slave digital signal processing subsystem; and transmitting the recovered tomographic information in digital form to a host computer.. .
The Trustees Of Columbia University In The City Of New York


08/13/15
20150223681 

Method and ultrafast multi-wavelength photothermal optical coherence tomography (oct)


Certain embodiments are directed to methods and apparatus for ultrafast mwp-oct that is based on precise control of the oct tunable-laser source combined with synchronization of the photothermal excitation laser emission. The invention is generally related to physics, biology, medicine, and imaging.
The Board Of Regents Of The University Of Texas Systems


08/06/15
20150222508 

Ubiquitous computing (ubicomp) service detection by network tomography


Technologies are generally described to employ network tomography to detect an uncooperative device and identify services associated with the uncooperative device. In some examples, employing network tomography over a probed network segment between two or more cooperative devices may enable an activity of cooperative and/or any uncooperative device(s) on the network to be profiled.
Empire Technology Development, Llc


08/06/15
20150221104 

Method for subjecting pet image to motion compensation and attenuation correction by using small number of low-radiation-dose ct images


The present invention relates to a method for motion compensation, and state-of-motion specific attenuation correction of positron tomography images by using a small number of low-radiation-dose computer tomography images. The method of the present invention comprises the steps of: acquiring respiration-specific pet data; acquiring ct images from at least 2 different respirations, and using same to generate a virtual 4d ct image; matching the 4d ct image and the respiration-specific pet data, and selecting 3d ct images accurately corresponding to specific respirations; using the selected results to extract respiration motion displacement field information between respiration-specific pet data; using the selected ct images to subject the respiration-specific pet data to respiration-specific attenuation and scattering correction; and using the corrected respiration-specific pet data items and the extracted respiration motion displacement field information items to carry out respiration compensation and reconstruction..
Korea Advanced Institute Of Science And Technology


08/06/15
20150221067 

Isotropic reconstruction of image data


An example of the invention relates to a method for the multidimensional reconstruction of image data in a reconstruction area based on projection measurement data which has been acquired using an imaging system, preferably a computed tomography system, wherein the reconstruction is carried out in three different spatial directions with predefined resolution widths; a resolution width in at least one spatial direction being automatically adapted to a resolution width in another spatial direction, such that the adapted resolution widths are substantially identical.. .
Siemens Aktiengesellschaft


08/06/15
20150219854 

Monolithic beam-shaping optical an oct probe


Monolithic beam-shaping optical systems and methods are disclosed for an optical coherence tomography (oct) probe that includes a transparent cylindrical housing having asymmetric optical power. The system includes a transparent monolithic body having a folded optical axis and at least one alignment feature that supports the end of an optical fiber adjacent an angled planar end wall.
Corning Incorporated


08/06/15
20150219732 

Method and magnetic susceptibility tomography, magnetoencephalography, and taggant or contrast agent detection


A magnetic susceptibility tomographic device has sensitive magnetic sensors about a measurement volume and ac bias coils for providing magnetic fields within the volume. Sensing circuitry reads the sensors, and a processor executes magnetic susceptibility tomography (mst) routines from memory to divide the measurement volume into voxels, to determine differences between applied and measured field strengths of magnetic fields at each voxel and thereby determines magnetic susceptibility of each voxel, and to construct tomographic images representative of magnetic susceptibility as mst images.
The Trustees Of Dartmouth College


08/06/15
20150219481 

Flow profiling techniques based on modulated magnetic-electrical impedance tomography


Apparatus includes a signal processing module configured at least to: receive signaling containing information about an application of a rotating magnetic field across a fluid flowing in a pipe, tank, cell or vessel; and determine a flow analysis across the fluid flowing in the pipe, tank, cell or vessel, based at least partly on the signaling received. The signal processing module may also be configured to provide corresponding signaling containing information about the flow analysis across the fluid flowing in the pipe, tank, cell or vessel..
Cidra Corporate Services Inc.


08/06/15
20150217138 

Treatment planning system, device for calculating a scanning path and particle therapy system


In a particle therapy treatment planning system for creating treatment plan data, the movement of a target (patient's affected area) is extracted from plural tomography images of the target, and the direction of scanning is determined by projecting the extracted movement on a scanning plane scanned by scanning magnets. Irradiation positions are arranged on straight lines parallel with the scanning direction making it possible to calculate a scanning path for causing scanning to be made mainly along the direction of movement of the target.
Hitachi, Ltd.


08/06/15
20150216498 

Geometric characterization and calibration of a cone-beam computer tomography apparatus


It is described a method for determining values of geometry parameters of a cone beam computer tomography apparatus, the method comprising: (a) obtaining x-ray projection data captured by the detector from at least three calibration objects arranged at mutually different positions, the x-ray projection data comprising for each calibration object plural projections at different rotation angles; (b) determining for each calibration object a respective ellipse representation from the respective plural projections; (c) performing a random search across candidate values of the geometry parameters for determining the values of the geometry parameters, wherein a cost function depending on the ellipse representations and the geometry parameters is optimized.. .
Orangedental Gmbh & Co. Kg


08/06/15
20150216492 

Gantry with secondary safety mechanism


A gantry of a tomography apparatus has a rotary member that is rotatable around an axis. The rotary member carries at least one component attached thereto.
General Electric Company


08/06/15
20150216443 

Device for determining the regional distribution of a parameter for lung perfusion


A device for determining the regional distribution of a parameter for lung perfusion includes an electrical impedance tomography unit with electrodes (e1, . .
Dräger Medical Gmbh


08/06/15
20150216412 

Method for filtering reflexes in full-field setups for ophthalmologic imaging by separated illumination and detection apertures


A parallel detecting optical coherence tomography (oct) setup and method, in which the light paths of the illumination of the sample and of the detection of the backscattered light do not use the same apertures. The separation of illumination and detection apertures filters these disturbing reflexes from the backscattered light of the sample and significantly increases image quality..
Thorlabs Gmbh


08/06/15
20150216408 

Scanning laser ophthalmoscopes


A scanning laser ophthalmoscope (slo) for imaging the retina of an eye comprises a source (12) of collimated light, a scanning device (14, 16, 1328, 1319), a scan transfer device (20) and a detector (1310). The scan transfer device has a first focus (16) at which an apparent point source is provided and a second focus (24) at which an eye (524, 1324) may be accommodated.
Optos Plc


08/06/15
20150216407 

Measurement of the lipid and aqueous layers of a tear film


Systems and methods for determining thickness of lipid and aqueous layers of a tear film in which a spectrum array is generated from optical coherence tomography and input into a statistical estimator, which determines the thickness of the lipid and/or aqueous layers at a nanometer resolution based on the inputted spectrum and other information, such as information about a laser intensity noise, poisson noise, and dark noise associated with the oct.. .
The Arizona Board Of Regents On Behalf Of The Univerity Of Arizona


07/30/15
20150213633 

System, method and computer-accessible medium for providing a panoramic cone beam computed tomography (cbct)


Exemplary devices, procedures and computer-readable mediums for providing a projection image associated with at least one target. The projection image can be formed from a plurality of locations of a source arrangement.
The Trustees Of Columbia University In The City Of New York


07/30/15
20150213629 

Method of processing optical coherence tomography images


An automatic or semiautomatic method of processing intravascular optical coherence tomography (oct) images, comprising: pre-processing the primary image by segmenting the guidewire in the lumen to exclude it from the image, determining whether the lumen is open or closed; if the lumen is determined to be closed, performing a first automatic lumen segmentation procedure on the pre-processed image to define a perimeter line of the lumen, corresponding to the inner edge of the vessel wall, and determine a centroid cl of the lumen area; if the lumen is determined not to be closed, sequentially performing an automatic lumen closing procedure on the pre-processed image, and a second automatic lumen segmentation procedure, to define a perimeter line of the lumen, corresponding to the inner edge of the vessel wall, and determine a centroid cl of the lumen area; automatically finding an outer edge of the vessel wall and defining a first region of interest roi1 between the inner edge and the outer edge of the lumen; automatically segmenting a fibrous plaque in the first region of interest roi1 thereby defining a second region of interest roi2 that contains the fibrous plaque, and segmenting a hyporeflective plaque, contained in a radial region that falls within roi1 and is external to roi2.. .
Fondazione Toscana Gabriele Monasterio Per La Ricerca Medica E Di Sanità Pubblica


07/30/15
20150212216 

Positron emission tomography and single photon emission computed tomography based on intensity attenuation shadowing methods and effects


Methods of a high resolution, stationary imaging detector for use in systems for positron emission tomography or single photon emission tomography that uses shadowing effects from intensity attenuation to provide three dimensional positioning information for a source of activity within a field of view of the detector.. .
Theta Point, Llc


07/30/15
20150212015 

Apparatus and computed tomography image processing


An apparatus and method for computed tomography image processing is provided. The apparatus includes: an x-ray detection unit that detects an x-ray beam having passed through a subject and outputs an energy value thereof; a line integral calculation unit that calculates line integral values of attenuation coefficients representing attenuation of the energy value of the x-ray beam having passed through the subject and been detected, based on the energy value; an image processing unit that reconstructs a tomogram based on the line integral values; and an image output unit that outputs the tomogram.
Institute For Basic Science


07/30/15
20150212014 

Primary and secondary scanning in muon tomography inspection


Techniques and systems for using cosmic ray-produced muons to inspect objects based on an initial scanning of all objects and an additional scanning of objects that are determined by the initial scanning to potentially include one or more suspect regions. In one implementation, a system can include a primary scanner for performing the initial or primary scanning and a smaller secondary scanner for the additional or secondary scanning to provide efficient and accurate inspection of objects while maintaining a desired throughput of the inspection.
Decision Sciences International Corporation


07/30/15
20150212013 

Method of characterizing an article made of composite material


A characterization method for characterizing an article made of composite material having woven, braided, or sewn fiber reinforcement, the method including a determination step of using x-ray tomography to determine gray levels of at least a portion of the article, followed by an exploitation step of exploiting the gray levels to obtain information concerning the weaving by distinguishing between at least the free matrix and the threads of fibers mixed with the matrix, the threads being considered as being a material that is homogeneous.. .
Snecma


07/30/15
20150209527 

Fiber optic distal sensor controlled drug injector


A motion-compensated injector system includes a handheld tool having a hollow shaft with a distal end for insertion into tissue of a subject. The system also includes an optical coherence tomography-based optical detection system having an optical fiber with a distal end at a fixed distance from the distal end of the hollow shaft, and an optical sensor to receive a signal from the optical fiber.
The Johns Hopkins University


07/30/15
20150209452 

Metal-binding bifunctional compounds as diagnostic agents for alzheimer's disease


Metal-binding bifunctional compounds and their use as diagnostic agents for alzheimer's disease and other beta amyloid disorders are disclosed. Also, radiolabeled metal complexes of these bifunctional compounds and their use as positron emission tomography (pet) imaging agents are provided..
Washington University


07/30/15
20150208993 

Radiological imaging device with improved functioning


A radiological imaging device that includes a source that emits radiation that passes through at least part of a patient, the radiation defining a central axis of propagation; and a receiving device that receives the radiation and is arranged on the opposite side of the patient with respect to the source. The receiving device includes a first detector to detect radiation when performing at least one of tomography and fluoroscopy, a second detector to detect radiation when performing at least one of radiography and tomography; and a movement apparatus arranged to displace the first and second detectors with respect to the source.
Epica International, Inc.


07/30/15
20150208989 

Method for planning support and computer tomography device


An embodiment of the invention relates to a method for planning support for a computer tomography recording of an examination object by means of a computer tomography device, including the following steps: recording a 2-d overview image (topogram) of the examination object by means of the computer tomography device, determining position-dependent information by means of the overview image, forwarding the information to a projection device, and correct positioned displaying the information on the surface of the examination object.. .
Siemens Aktiegensellschaft


07/23/15
20150206300 

Method and extraction and quantification of hematoma from a brain scan such as computed tomography data


A method is proposed for processing a ct brain scan to identify hematoma and extract data quantifying it. The method uses anatomical, pathological and imaging knowledge comprising (i) distribution data obtained from population studies and characterizing typical intensity distributions of one or more different types of material present in brains, one of the types of material being hematoma, (ii) at least one spatial template describing the spatial layout of a brain.
Agency For Science, Technology And Research


07/23/15
20150204651 

Detection of missampled interferograms in frequency domain oct with a k-clock


Optical coherence tomography light sources can be non-linear and attempts to linearize them can lead to asynchrony between the light source and a-line scans and missampling in the scans causing signal noise. Accordingly, a system and methods are provided herein to detect missampling by obtaining a plurality of interferograms; providing at least two wavenumber reference signals at different wavenumbers, wherein the wavenumber reference signals comprise attenuated or enhanced portions of each of the plurality of interferograms; aligning each of the plurality of interferograms according to one of the at least two wavenumber reference signals; and for each of the plurality of interferograms, identifying an interferogram as missampled if another of the at least two reference signals does not align with a corresponding reference signal in a statistically significant number of the plurality of interferograms.
Kabushiki Kaisha Topcon


07/23/15
20150202336 

Loading technique for preparing radionuclide containing nanoparticles


The present invention relates to a novel composition and method for loading delivery systems such as liposome compositions with radionuclides useful in targeted diagnostic and/or therapy of target site, such as cancerous tissue and, in general, pathological conditions associated with leaky blood vessels. The composition and methods of the invention find particular use in diagnosing and imaging cancerous tissue and, in general, pathological conditions associated with leaky blood vessels in a subject.
Rigshospitalet


07/23/15
20150202002 

Characterizing ablation lesions using optical coherence tomography (oct)


Systems, methods, and other embodiments associated with characterizing radio frequency ablation (rfa) lesions using optical coherence tomography (oct) are described. One example method includes acquiring an oct signal from a region of interest (roi) in an ablated material.
Case Western Reserve University


07/23/15
20150201921 

System and image-guided arthroscopy


Configurations are described for conducting minimally invasive medical diagnoses and interventions utilizing elongate instruments and assemblies comprising one or more imaging devices, and one or more remote retraction and distraction devices. Retraction and distraction devices, such as balloons, mechanical retraction members, and/or trocar screw geometries may be utilized to access, investigate, and intervene at the joint capsule, or inside of the joint capsule.
Reprise Technologies, Llc


07/23/15
20150201898 

Control apparatus and tomography apparatus


A tomography apparatus for readily imaging an object while reducing radiation exposure doses includes a filter that adjusts distribution of a radiation dose transmitted therethrough from a radiation source, a radiation detection unit that detects a radiation dose transmitted through the filter and through an object, a holder that holds the object, an acquisition unit that acquires information about the holder, and a control unit that controls the distribution of the transmitted radiation does according to the information about the holder acquired by the acquisition unit.. .
Canon Kabushiki Kaisha


07/23/15
20150201895 

Supervised machine learning technique for reduction of radiation dose in computed tomography imaging


Substantial reduction of the radiation dose in computed tomography (ct) imaging is shown using a machine-learning dose-reduction technique. Techniques are provided that (1) enhance low-radiation dosage images, beyond just reducing noise, and (2) may be combined with other approaches, such as adaptive exposure techniques and iterative reconstruction, for radiation dose reduction..
The University Of Chicago


07/23/15
20150201878 

Apparatus and methods for non-invasive assessment of transplant kidney viability


A kidney viability assessment system (kvas) is disclosed which provides objective and reliable tests to assess the viability of transplant or donor kidneys in vivo and predict their post-transplant outcomes. Kvas includes an optical device augmented by an intelligent algorithm that can evaluate the viability or quality of the donor kidney in a real-time, non-invasive way.
Georgetown University


07/23/15
20150201833 

Optical coherence tomography system with multiple sample paths


Improved optical coherence tomography (oct) imaging systems are generally described. In an example, an oct imaging system includes a tunable laser source, an interferometer, a splitter, and a detector.
Santec Corporation


07/23/15
20150201829 

Geographic atrophy identification and measurement


Geographic atrophy of the eye can be detected and measured by imaging the eye at a depth greater than the retinal pigment epithelium (rpe) at a plurality of locations of the eye, for example, using optical coherence tomography (oct); determining a ratio of the intensities of imaging signals of a retinal layer(s) with respect to the intensity of imaging signals of a sub-rpe layer(s) at each location; determining representative values based at least in part on the determined ratios; generating a map of the representative values; and identifying diseased areas from the map. Contours and binary maps may be generated based on the identified diseased areas.
Kabushiki Kaisha Topcon




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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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