|| List of recent Tomography-related patents
|Needle positioning apparatus and method|
Apparatus for accurate positioning of a needle guide is disclosed. The apparatus provides a means for taking as input the position vector for the point of insertion of the needle into the body.
|Multiple section pet with adjustable auxiliary section|
A system includes a gantry, a first positron emission tomography (pet) section including a first detector ring oriented about an axis, and a second pet section supported by the gantry and including a second detector ring oriented about the axis. The gantry is adjustable to move the second pet section relative to the first pet section..
|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.
|Use of microfabricated devices|
This invention relates to the miniaturisation of radiosyntheses onto microfabricated devices, and in particular to use of microfabricated devices for radiosynthesis, isolation, and analysis of radiotracers for use in positron emission tomography (pet).. .
|Apparatus and method for monitoring a thickness of a silicon wafer with a highly doped layer|
Apparatus for monitoring a thickness of a silicon wafer with a highly-doped layer at least at a backside of the silicon wafer is provided. The apparatus has a source configured to emit coherent light of multiple wavelengths.
|Compounds for binding to the platelet specific glycoprotein iib/iiia and their use for imaging of thrombi|
The present invention relates to novel fluorine containing compounds, methods for their preparation, the intermediates of the synthesis, their use as diagnostic agents, especially for imaging of thrombi. The invention relates to positron emission tomography (pet) agents and associated precursor reagents, and methods for producing such radiolaveled agents for imaging of thrombi in a mammalian body.
|Technetium-99m labeled complex of gold nanoparticle-gold binding peptides, and method of making and using the same|
There is provided a method for preparing a 99mtc labeled gold nanoparticles-gold binding peptide, including: (a) coating gold nanoparticles with a gold binding peptide; and (b) labeling a composed 99mtc tricarbonyl precursor on the gold binding peptide coated on the gold nanoparticles. The 99mtc labeled gold nanoparticles-gold binding peptide prepared by the method according to the present invention is expected to be usefully employed for manufacturing a molecular contrast agent (imaging agent) which is traceable in organisms using imaging apparatuses such as gamma imaging and single photon emission computed tomography due to high labeling yield and good in-vivo stability..
|Method and system for integrated radiological and pathological information for diagnosis, therapy selection, and monitoring|
A method and system for integrating radiological and pathological information for cancer diagnosis, therapy selection, and monitoring is disclosed. A radiological image of a patient, such as a magnetic resonance (mr), computed tomography (ct), positron emission tomography (pet), or ultrasound image, is received.
|Pileup correction method for a photon-counting detector|
A method and apparatus for determining a parameter vector that includes a plurality of parameters of a detector pileup model of a photon-counting detector, the detector pileup model being used for pileup correction for a spectral computed-tomography scanner. The method includes setting values of the parameters, the parameters including a dead time parameter and individual probabilities of different pileup events, the probabilities including a probability of single photon events, a probability of double quasi-coincident photon events, and a probability of at least three quasi-coincident photon events.
|X-ray tube assembly and x-ray computerized tomography scanner|
According to one embodiment, an x-ray tube assembly includes a housing, an x-ray tube, a coolant to which at least a part of heat generated by the x-ray tube is transferred, a circulation channel through which the coolant is circulated, a circulation pump, a radiator, an air filter and a fan unit. The air filter is formed of a three-dimensional nonwoven fabric that is formed of irregularly tangled resin fibers and provides a three-dimensional structure having a spatial volume ratio of not less than 93%.
|Tilted detector array for medical imaging systems including computed tomography|
A medical imaging system can include a frame that has a bore that has a central longitudinal axis that intersects a target area for imaging, and a radiation source to emit radiation in radial directions towards the target area to form a fan or cone of emitted radiation that irradiates a cross-section of the target area with respect to the longitudinal axis. The system can include one or more detector arrays including a plurality of detector segments that extend along a detector axis that extends in a direction that is effectively parallel to the longitudinal axis, such that radiation emitted from the radiation source passes through the target area and is incident on one or more of the detector segments.
|Angular multiplexed optical coherence tomography systems and methods|
Angle multiplexed optical coherence tomography systems and methods can be used to evaluate ocular tissue and other anatomical structures or features of a patient.. .
|Tomographic imaging methods, devices, and systems|
A multispectral bioluminescence optical tomography algorithm makes use of a partial differential equation (pde) constrained approach. A sequential quadratic programming (sqp) method is demonstrated that allows for solving both forward and inverse problems at once by updating the forward and inverse variables simultaneously at each step of the optimization iterations.
|Dynamic tomography angle selection|
A method for determining a projection angle for use in tomographic imaging comprises obtaining projection data including at least one projection view from at least one projection angle. The at least one projection view is generated by scanning a test object with a tomographic imaging device.
|Methods to reduce variance in oct analysis of the macula|
Methods for analyzing optical coherence tomography (oct) images of the macula to reduce variance and improve disease diagnosis are presented. One embodiment of the invention is directed towards selecting analysis locations and data segmentation techniques to take advantage of structural homogeneities.
|Apparatus for wireless data and power transmission in a computed tomography system|
An apparatus is configured for wireless transmission of data and electrical power between a fixed gantry part and a rotatable gantry part. The rotatable gantry part is configured to rotate about an axis of rotation of a computed tomography system.
|White light diffraction tomography of unlabeled live cells|
Methods for obtaining a tomographic phase image of a specimen, either in transmission or in scatter. A specimen is illuminated by a temporally incoherent source and light collected in transmission or scattering is used to generate a scattered phase image of the specimen in multiple axial planes.
|Optical coherence tomography as a rapid, accurate, non-contact method of visualizing the palisades of vogt|
The innovation provides for a system and method available to image and visualize the palisades of vogt via a non-contact process, analyze the image volumes acquired, evaluate the status of the palisades of vogt from the data represented therein, and display the data in real-time or as a part of a medical record for ongoing consideration and evaluation.. .
|Hybrid stent and method of making|
A stent is formed by encasing or encapsulating metallic rings in an inner polymeric layer and an outer polymeric layer. At least one polymer link connects adjacent metallic rings.
|Color x-ray histology for multi-stained biologic sample|
Systems and methods are provided for staining tissue with multiple biologically specific heavy metal stains and then performing x-ray imaging, either in projection or tomography modes, using either a plurality of illumination energies or an energy sensitive detection scheme. The resulting energy-weighted measurements can then be used to decompose the resulting images into quantitative images of the distribution of stains.
|Computerized tomography (ct) imaging system with improved x-ray tube mount|
At least one mounting construct for mounting said housing to the rotating disk assembly, wherein said at least one mounting construct is disposed intermediate said inner end of said housing and said outer end of said housing.. .
|Seismic data processing using joint tomography|
Various implementations directed to seismic data processing using joint tomography are provided. In one implementation, a method may include receiving seismic data corresponding to a region of interest.
|Systems for extended depth frequency domain optical coherence tomography (fdoct) and related methods|
Systems for extended depth frequency domain optical coherence tomography are provided including including a detection system configured to sample spectral elements at substantially equal frequency intervals, wherein a spectral width associated with the sampled spectral elements is not greater than one-half of the frequency interval. Related methods are also provided herein..
|Oct probe using pzt|
An optical coherence tomography (oct) probe using lead zirconate titanate (pzt). In the oct probe using pzt, a sine wave is induced from a vibrator made of a piezoelectric element, so that an image in which the scanning range is increased can be captured due to the vibration of the vibrator.
|Indices for management of dry eye syndrome, corneal ectasia, keratoplasty graft rejection and failure and fuchs' dystrophy|
Improved indices for the diagnosis and evaluation of conditions affecting the eye. Specifically, the indices include an enhanced epithelial irregularity factor (eeif) for the diagnosis and evaluation of conditions such as dry eye syndrome (des), bowman's ectasia index (bei), including enhanced bei (ebei) and bei-max, and bowman's relative thinning (brt) index for the diagnosis and evaluation of ectatic conditions such as keratoconus, pellucid marginal degeneration, post-refractive surgery ectasia, and keratoglobus, and descemet's membrane thickening index (dmt), descemet's rejection index (dri), and descemet's membrane irregularity factor (dif) for the diagnosis and evaluation of conditions such as keratoplasty rejection and failure and fuchs' dystrophy.
|Transmission arrangement for a tomograph|
A transmission arrangement for a tomograph, such as magnetic resonance tomography, is provided for wireless energy supply of a local coil system. The transmission arrangement includes at least one first region having at least one first antenna element.
|Method for displaying signal values of a combined magnetic resonance positron emission tomography device and a correspondingly embodied magnetic resonance positron emission tomography device|
A method, a computer program product and a computer-readable storage medium are disclosed for displaying signal values of a combined magnetic resonance positron emission tomography device. In at least one embodiment, the spatial correspondence of signal values, which result from a magnetic resonance measurement, and of signal values, which result from a positron emission tomography measurement, are used and the corresponding signal values are arranged in matrix form and displayed graphically as a multi-dimensional scatter plot..
|Products of manufacture and methods using optical coherence tomography to detect seizures, pre-seizure states and cerebral edemas|
In alternative embodiments, the invention provides compositions, products of manufacture and medical devices, and methods, using optical coherence tomography to monitor for a physiological event and/or a state prior to the physiological event. The invention also provides computer program products and computer implemented methods to capture, analyze, and display optical coherence tomography images of neural tissue to measure, detect and/or monitor for a physiological event and/or a state prior to the physiological event..
|Compounds suitable as precursors to compounds that are useful for imaging amyloid deposits|
The present invention relates to novel derivatives that are suitable as precursors to compounds that are useful for imaging amyloid deposits in living patients, their compositions, methods of use and processes to make such compounds. The compounds deriving from these precursors are useful in methods of imaging amyloid deposits in brain in vivo to allow antemortem diagnosis of alzheimer's disease by positron emission tomography (pet) as well as measuring clinical efficacy of alzheimer's disease therapeutic agents.
|Method for producing optimised tomography images|
The present invention relates to the technical field of imaging methods, in particular for diagnostic purposes. The subject matter of the present invention is a method for producing optimized tomography images, a computer program product for performing the method according to the invention on a computer, and the optimised images produced by means of the method according to the invention..
|Systems and methods for multi-view imaging and tomography|
Radiation scanning systems providing multiple views of an object in different planes and a reconstruction algorithm for reconstructing quasi-three-dimensional images from a limited number of views. A system may include bend magnets to direct accelerated charged particles to multiple targets in different viewing locations.
|Computed tomography system with dynamic bowtie filter|
A ct apparatus for scanning an object is provided. An x-ray source is provided, wherein the x-ray source provides a collimated x-ray beam with a cross-section.
|Radiographic phantom apparatuses|
There is provided a radiographic phantom for inter alia mimicking specific anatomical parts in a computerized tomography scan. Methods are provided for a variety of purposes including detecting a difference between a measured optical deformation of a radiographic phantom pair and a theoretical deformation of the radiographic phantom pair..
|Out of plane artifact reduction in digital breast tomosynthesis and ct|
Reduction of artifacts in digital breast tomosynthesis and in computed tomography. Because of the limited angular range acquisition in dbt the reconstructed slices have reduced resolution in z-direction and are affected by artifacts.
|Device and computed tomography scanner for determining and visualizing the perfusion of the myocardial muscle|
A device is disclosed for determining and visualizing the perfusion of the myocardial muscle with the aid of static ccta images. In at least one embodiment, the device includes a segmentation unit for segmenting the coronary blood vessels and the left myocardial muscle from a ccta image of the heart; a first simulation unit for simulating the blood flow through the coronary blood vessels; and a second simulation unit by which the local perfusion of the myocardial muscle is determined on the basis of the ascertained blood flow into different regions of the myocardial muscle.
|Method and system for compact optical coherence tomography|
The tunable filter placed in front of the detector to make the interferometer more sensitive and accurate for reading various samples for diagnosis. Optical coherence tomography (oct) system and apparatus of this instant application is very useful for diagnosis and management of ophthalmic diseases such as retinal diseases and glaucoma etc.
|Method for generating two-dimensional images from three-dimensional optical coherence tomography interferogram data|
Methods for generating optical coherence tomography intensity maps are provided. A beam of light is generated and divided along a sample path and a reference path.
|Devices, systems, and methods for calibrating an oct imaging system in a laser surgical system|
An adjustment system for an optical coherence tomography (oct) imaging system includes an oct light source; a beam splitter, splitting the oct light beam into an imaging beam to an imaging arm, and a reference beam to a reference arm; a probe, guiding the imaging beam onto a target and receiving a returned imaging beam from the target; the beam splitter generating an interference beam from the returned imaging beam and a returned reference beam from the reference arm; an imaging detector, detecting the interference beam; an imaging processor, generating an oct image from the detected interference beam; and an adjustment device, removably coupled to the probe, the adjustment device comprising the target attached to a distal region of a target holder at a working distance from a distal end of the imaging probe, wherein an optical length of the reference arm is adjustable to improve a calibration of the oct image.. .
|Surgical microscopes using optical coherenece tomography and related systems|
Some embodiments of the present inventive concept provide optical coherence tomography (oct) systems for integration with a microscope. The oct system includes a sample arm coupled to the imaging path of a microscope.
|Optical coherence tomography (oct) imaging systems having adaptable lens systems and related methods and computer program products|
Oct imaging systems are provided for imaging a spherical-type eye including a source having an associated source arm path and a reference arm having an associated reference arm path coupled to the source path. The reference arm path has an associated reference arm path length.
|User interface for acquisition, display and analysis of ophthalmic diagnostic data|
Improvements to user interfaces for ophthalmic imaging systems, in particular optical coherence tomography (oct) systems are described to improve how diagnostic data are displayed, analyzed and presented to the user. The improvements include user customization of display and reports, protocol driven work flow, bookmarking of particular b-scans, accessing information from a reference library, customized normative databases, and ordering of follow-up scans directly from a review screen.
|Local coil system including an energy reception antenna for inductively receiving energy for the local coil system|
A local coil system for detecting magnetic resonance (mr) signals in a magnetic resonance tomography (mrt) device includes an energy reception antenna for inductively receiving energy for the local coil system from a magnetic field changing over time with an energy transmission frequency. The energy reception antenna includes a conductor loop running in loop-like fashion from a first loop connection to a second loop connection.
|Cerium doped rare-earth ortosilicate materials having defects for improvement of scintillation parameters|
The present invention is a creation of advanced scintillation materials having emission maximum in the range of about 400-450 nm and based on cerium doped a rare-earth oxyorthosilicate including lfs, lso, lyso, lgso, gso crystals having defects in comparison with ideal crystal structure, and said defects change the optical transmission and absorption spectra in the range about of 200-340 nm. The picks of maximum absorptions characterised in that the ratio of a(λ1=250-270 nm)/a(λ3=280-300 nm)≧1, a(λ2=280-300)/a(λ3=340-380)≧1, a(λ1=250-270)/a(λ2=280-300 nm)>1.
|High resolution single photon emission computed tomography (spect) system|
Whereby, when the rotating ring is rotated about the anatomy which is to be imaged and the at least one camera mount is moved radially on the rotating ring, the single spect focal point of the at least one gamma camera carried by a camera mount follows a spiral pattern through the anatomy, whereby to produce a scan of the anatomy.. .
|Method for optimization of joint arthroplasty component design|
Methods and devices are disclosed for the optimization of shoulder arthroplasty component design through the use of computed tomography scan data from arthritic shoulders.. .
|Method and device for imaging soft body tissue using x-ray projection and optical tomography|
A method and device (1) for imaging soft body tissue such as a female breast is proposed. X-ray projection techniques and optical tomography techniques are combined.
|Apparatus and methods for pathlength multiplexing for angle resolved optical coherence tomography|
Exemplary embodiments include an apparatus and method for performing angle-resolved imaging of scattering samples such as tissue, including the use of a pathlength multiplexing element.. .