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8005186 |
Complex imaging system for dental
A dental complex imaging system includes a base and chair on the base for allowing a patient sit; a base-mounted pole adjacent to the chair; a support part extending toward the patient; an...
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7885378 |
Imaging system and related techniques
An imaging method and apparatus is described in which distances between a source and an object are changed and projection images are generated at each of the different distances.
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7728298 |
Detector bar or detector formed from a number of detector bars, and computed-tomography unit with such a detector
A detector bar, a detector formed from a number of detector bars, and a computed-tomography unit including such a detector is disclosed, each detector bar being formed from a number of individual...
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7680242 |
X-ray examination method and X-ray examination apparatus
An X-ray examination apparatus includes a scanning X-ray source for outputting X-rays, a sensor base which is attached with a plurality of X-ray sensors and which rotates about a rotation axis, and...
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7606345 |
X-ray CT apparatus
An X-ray CT apparatus enables decreasing the degradation of image quality and reducing futile exposure to X-ray in a helical shuttle scan. The X-ray CT apparatus comprises: a gantry rotating device...
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7561659 |
Method for reconstructing a local high resolution X-ray CT image and apparatus for reconstructing a local high resolution X-ray CT image
Disclosed is a method for reconstructing an X-ray CT (computerized tomography) image. The method includes acquiring projection data by means of irradiation of X-rays on a target object at a...
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7477721 |
Open access air bearing gantry
A diagnostic imaging system (10) includes an x-ray source (16), which is rotated around an examination region (20) on a rotating gantry (14). A subject, disposed on a couch (30), is translated...
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7418074 |
Computed tomography system with adjustable focal spot-to-detector distance
A computed tomography system with an adjustable focal spot-to-detector distance has a gantry provided with a patient opening, an x-ray tube and a detector, respectively mounted at opposite sides of...
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7305263 |
Magnetic navigation system and magnet system therefor
A magnetic navigation system for orienting a magnetically responsive medical device in a selected direction within an operating region in a subject's body. The system includes a support for...
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7197404 |
Computation of radiating particle and wave distributions using a generalized discrete field constructed from representative ray sets
The present system and method for simulating particles and waves is useful for calculations involving nuclear and full spectrum radiation transport, quantum particle transport, plasma transport and...
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7173249 |
Nuclear medical diagnostic apparatus and method for detecting radiation
A method for detecting radiation emitted from a radiation source within a subject. A radiation detector is moved in approximately parallel with the direction of the body axis of the subject. The...
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6670625 |
Method and apparatus for correcting multipole aberrations of an electron beam in an EBT scanner
A method and apparatus are disclosed for reducing variation in a spot size of an electron beam at a target due to multipole aberrations in an electron beam tomography (EBT) scanner. A magnitude of...
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6194725 |
Spect system with reduced radius detectors
An imaging system for generating SPECT images wherein first and second cameras are mounted to a gantry for rotation about an imaging axis, the cameras are positionible in an L configuration wherein...
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5291402 |
Helical scanning computed tomography apparatus
An x-ray computed tomography system for helical scanning, translates a patient as projections of the patient at various beam angles are obtained and employs a detector array having multiple rows...
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5287274 |
Method for acquisition of radiological data in multiple orthogonal orientations using a 2D detector relating to a body irradiated with x-rays and for reconstruction of structures corresponding to said body using an algebraic algorithm
In voludensitometry and in cases in which it is necessary to acquire only a small number of views, the artifact ratio resulting from reconstructions is reduced. There is acquired at least one view...
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5253170 |
Apparatus for computerized tomography, method of same, and apparatus for computerized tomography scanning
With the apparatus of CT, if the object contains a foreign body having high spatial frequency component such as a polygonal body etc., and large density difference from another region, a radial...
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5126938 |
Computerized tomography system
A computerized tomography system comprising a means for data rearrangement for converting fan-beam projection data into parallel beam projection data speedily andd easily without complicated...
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5058011 |
Radiant ray CT with view data interpolation
A radiant ray CT for reconstructing an image at a high effective rate, high resolution, and high picture quality with a shortened scan time and thus with less exposure. The apparatus comprises a...
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4984257 |
Automatic dynamic focusing for computed tomography
A dynamic focusing device is provided for an X-ray scanner, the device comprising at least one detector module located in a position to receive, be illuminated by, and respond to X-rays. A source...
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4682290 |
Method of reconstructing a high resolution image by tomodensitometry
A method for reconstructing a high resolution image by interpolating intermediate values obtained from data collected over a complete revolution of the tomodensitometer. A shift of ##EQU1## is...
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4682291 |
Noise artifacts reduction
Equipment and methods improving the quality of a tomograph are presented for rearranging divergent beam derived data into parallel data. The equipment and method perform uniform noise distribution...
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4606062 |
X-ray computed tomographic apparatus
An X-ray control device is held in a constant position relative to an X-ray tube and an X-ray detector, while the X-ray tube is moved toward or away from the rotational scanning axis at which an...
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4570224 |
Combining rebinned and unrebinned parallel ray data with unequal lateral spacing to create tomograph images
Equipment and methods are presented for rearranging divergent beam derived data into parallel data to enable decreasing the number of preprocessing computations and improving the quality of the...
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4539639 |
Process for obtaining three-dimensional images of an object and its application to the tomography of an organ
A process and appparatus for obtaining three-dimensional images of an object with an application of the process and the device to the tomography of an organ. The device includes a detector or...
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4464777 |
Radiography apparatus
Disclosed is a radiography apparatus comprising an X-ray tube for radiating X-ray beam in a fan shape, a detector for detecting the X-ray beam coming through a living body at a plurality of angular...
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4277686 |
Device for determining internal body structures by means of scattered radiation
The invention relates to a device for measuring a scatter coefficient distribution in a plane of a body. The plane is irradiated in different directions by a primary radiation beam along beam paths...
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4200799 |
Tomographing device
A computed tomograph system comprises a radiation source for emitting a fan-shaped beam of penetrating radiation of included angle α, and a radiation detector comprising a plurality of radiation ...
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4134020 |
Apparatus for measuring local absorption differences
The radiation source of a fan-beam X-ray scanner is adjustable relative to the body to be examined so that the beam exactly covers the body. Use can be made of the radiation which passes besides...
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4115696 |
Computed tomography scanner
In a scanner for computed tomography an X-ray source and a multiple cell X-ray detector are mounted on a rotatable support on opposite sides of the rotational axis for orbiting about a body to...
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