| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 250363100 | With a collimator | 19 |
| 20080237471 | Interface for Component Identification, Communication and Power Supply Between Interchangeable System Components - A contactless and battery-less interface for component identification and remote sensing is disclosed. The interface includes a near-field electromagnetic coupling for electrical power transfer and a full duplex optical coupling for bi-directional serial communication interface. The interface provides a low-cost and low-power Reduced Instruction Set Computing (RISC) microcontroller with a minimum of components and a low production cost, wherein a communication and power interface can be provided between components such as a gamma camera head and a collimator, without requiring electrical contacts between interface circuit assemblies on the respective parts. | 10-02-2008 |
| 20080237472 | Adjustable collimators method and system - Embodiments relate to collimator assemblies having one or more apertures therein. At least one of the one or more apertures has an aperture size that is configured for adjustment during an examination. The collimator assembly is configured so that gamma rays can pass through the one or more apertures, but the remainder of the collimator assembly is substantially gamma ray absorbent. Embodiments also related to imaging systems and methods of imaging. | 10-02-2008 |
| 20080237473 | Adjustable slit collimators method and system - Embodiments relate to a slit collimator assembly including a first set of panels spaced at least partially around a longitudinal axis of the collimator assembly and extending generally parallel to the longitudinal axis. The slit collimator assembly further includes a second set of panels spaced at least partially around longitudinal axis of the collimator assembly and extending generally parallel to the longitudinal axis. The first set of panels and the second set of panels are arranged to define one or more slit apertures. The slit collimator assembly is configured so that movement of at least one of the first set of panels or the second set of panels adjusts an aperture size of at least one of the one or more slit apertures. The slit collimator assembly is configured so that gamma rays can pass through the one or more slit apertures, but the remainder of the collimator assembly is substantially gamma ray absorbent. Embodiments also relate to imaging systems and methods of changing collimator performance. | 10-02-2008 |
| 20090072149 | Magnetically retained Interchangeable Collimators for Scintillation Cameras - A grid suitable for being positioned and held in relation to a detector has positive positioning means and at least one magnet for holding the grid. | 03-19-2009 |
| 20090159802 | FOCUSED PINHOLE GAMMA DETECTION DEVICE - The invention provides a gamma detection device, a collimator for use therein, and use of such a collimator or device in imaging an object. The invention is directed to pinhole imaging with high energy photons, such as 511 keV photons. In order to achieve sufficiently low pinhole knife edge penetration, the collimator uses a plurality of focused clusters of pinholes, each with a smaller opening angle, and arranged such that all the combined fields of view of the individual pinholes in all clusters provide a large central field of view with still compact dimensions of the detection device. This is made possible since the field of view of a single cluster is divided up into a number of individual fields of view. | 06-25-2009 |
| 20090283682 | MULTI-ENERGY X-RAY IMAGING - An imaging method includes obtaining a first image data for a subset of a target region, the subset of the target region having a first metallic object, obtaining a second image data for the target region, and using the first and second image data to determine a composite image. A imaging system includes a first detector configured to provide a first projection data using a first radiation having high energy, and a second detector configured to provide a second projection data using a second radiation having low energy, wherein the first detector has a first length, the second detector has a second length, and the first length is less than 75% of the second length. | 11-19-2009 |
| 20100001192 | GAMMA CAMERA SYSTEM WITH SLANTED DETECTORS, SLANTED COLLIMATORS, AND A SUPPORT HOOD - According to the present invention, there is provided a gamma camera system for brain SPECT imaging including slanted detectors with slanted hole collimators and a special hood-shaped head support device. The present invention eliminates the need for radial detector motion and therefore for collision sensing devices and safety related circuitry as required in prior art gamma cameras. Furthermore, the design and shape of the present invention reduces the necessary camera setup procedure, thereby improving camera workflow and output. The present invention's hood-shaped head support encapsulates the patient's head, preventing long hair from being entangled with the detectors while providing increased patient safety and comfort. Furthermore, the hood gently restrains the patients head, leading to less patient movement and improved image quality. In addition the hood enables very close detector proximity to the patient's head leading to further improvements in image quality. | 01-07-2010 |
| 20100019156 | NUCLEAR MEDICINE DIAGNOSIS APPARATUS - A nuclear medicine diagnosis apparatus comprising a mechanical collimator for effecting passage in a given direction of photons with given energy emitted from an object injected or dosed with a drug containing a radioactive isotope; a former-stage detector for detecting positional information at a point of reaction of photons having passed through the mechanical collimator and information on the momentum of charged particles generated by the reaction; a latter-stage detector disposed in the subsequent stage of the former-stage detector to detect information on the photons having been scattered by the former-stage detector; and image reconstruction means for reconstructing an image from detection information having been collected from the former-stage detector and latter-stage detector, wherein the image reconstruction means is built so that differentiation is carried out on the information on the photons having passed through the mechanical collimator and the information on the photons having been scattered by the former-stage detector and that the image reconstruction is carried out by different image reconstruction algorithms from the individual differentiated detection information. | 01-28-2010 |
| 20100072377 | Methods and systems of combining magnetic resonance and nuclear imaging - A multi-modality imaging system for imaging of an object under study, e.g., a whole body or parts of the body of animals such as humans, other primates, swine, dogs, rodents (especially mice and rats), that includes a magnetic resonance imaging apparatus and a cadmium zinc telluride (CZT)-family semiconductor, single-photon imaging apparatus in close proximity such that sequential or simultaneous imaging can be done with the two modalities using the same support bed of the object under study in the same, uninterrupted imaging session. | 03-25-2010 |
| 20100140485 | IMAGING SYSTEM AND METHOD WITH SCATTER CORRECTION - An imaging technique is provided for acquiring scatter free images of an object. The technique includes acquiring a plurality of projection images of the object using a source and a detector oriented at a plurality of projection angles relative to the object, and generating a plurality of scatter free projection images by correcting the plurality of projection images based on respective ones of a plurality of stored scatter images. The scatter images are generated and stored for each of the projection angles by positioning a scatter rejection plate between the object and the detector. The technique further includes reconstructing a three-dimensional image of the object based on the scatter free projection images. | 06-10-2010 |
| 20100308226 | COLLIMATOR AND RELATED METHODS - A collimator and related methods are shown and described. The collimator can be a multi-divergent-beam collimator having a plurality of inverted, ordered sections of a cone-beam collimator reassembled in a substantially reversed order relative to the ordering of the cone-beam collimator. | 12-09-2010 |
| 20110079724 | Use of Hybrid collimation for Interleaved Emission and Transmission Scans for SPECT - Two different collimation geometries are interleaved. Each collimation geometry samples a transaxial slice through the object being imaged. The even slices are of the same fan-beam geometry as the central head, but the odd slices are of different collimation geometry. Each slice covers an axial range that is the same as the pixel size of the solid-state detector, and aligns with the corresponding pixels in the axial direction. | 04-07-2011 |
| 20110114844 | GAMMA CAMERA SYSTEM - A gamma radiation detecting apparatus includes a gamma radiation collimator, a scintillation crystal, a charge coupled device, and an electronic device. The collimator receives and collimates gamma radiation. The scintillation crystal receives the gamma radiation from the gamma radiation collimator and converts the gamma radiation into visible light. The charge coupled device receives the visible light from the scintillation crystal and converts the visible light into an electrical charge. The electronic device converts the electrical charge into a digital image. | 05-19-2011 |
| 20110204242 | Manufacturing Methods for Collimators - Collimators and methods of making collimators. According to certain embodiments a collimator may be used with a light source, where the light source emits light along a light source axis. The base of the collimator may be angled such that the collimator refracts the light in a direction that is angled relative to the light source axis. There may also be provided methods for making a collimator. According to one method, a mold is first provided that produces an uncut collimator having an extended portion. The uncut collimator may be cut at an angle to produce a collimator with an angled base. In another method, there may be a mold with a base cavity, and a wedge may be inserted in the base cavity. The wedge forms a collimator with an angled base. | 08-25-2011 |
| 20110233412 | COLLIMATOR, RADIOLOGICAL IMAGING APPARATUS AND NUCLEAR MEDICINE DIAGNOSIS APPARATUS - A collimator, a radiological imaging apparatus and a nuclear medicine diagnosis apparatus which are able to improve the sensitivity are provided. The radiological imaging apparatus has a collimator | 09-29-2011 |
| 20110248174 | Collimator for Low-Dose Molecular Breast Imaging - A system and method for nuclear imaging includes a molecular breast imaging system including a collimator coupled to each of at least two gamma cameras. The collimator includes a collimator plate composed of a radiation absorbing material and having formed therein a plurality of channels spaced in an arrayed arrangement, each of the plurality of channels extending from an upper surface of the collimator plate to a lower surface of the collimator plate along a distance configured to substantially maximize a geometric efficiency of the collimator for a selected septal penetration, source-to-collimator distance, and collimator material. The collimator also includes a plurality of septa formed between each adjacent ones of the plurality of channels and the plurality of detector elements and the plurality of channels have a substantially similar cross-sectional shape. | 10-13-2011 |
| 20110291016 | NOVEL COLLIMATOR AND METHOD FOR FABRICATING THE SAME - This invention relates to a collimator. Specifically, the invention relates to a collimator comprising alternate layers of a foam and a radiation blocking elements, and methods for fabricating the same. | 12-01-2011 |
| 20120056095 | COLLIMATION APPARATUS FOR HIGH RESOLUTION IMAGING - The invention relates to a collimation apparatus for use in biomedical imaging systems. Specifically, the invention relates to a collimation apparatus that blocks a portion of its crystal with a radiation blocking element. | 03-08-2012 |
| 20130161520 | SYSTEM AND METHOD FOR COLLIMATION IN IMAGING SYSTEMS - A system and method for collimation in imaging systems are provided. One system includes a collimator a collimator body and at least one set of pinholes within the collimator body defining a cluster of pinholes, wherein bores defining the pinholes within the cluster are aligned to a point in substantially the same direction. Additionally, a spacing between bores is less than four times a diameter of a largest bore. | 06-27-2013 |
