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8050383 |
Radiographic apparatus and radiographic method
A radiographic apparatus controls the irradiation of a subject with radiation on the basis of a comparison result between an irradiation area calculated on the basis of an opening area of an...
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8031838 |
Diagnostic delivery service
Systems, methods, and other modalities are described for (a) obtaining an indication relating to an emission module (which may be dangerous, e.g.) or its user (who may be untrained, e.g.) and for...
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8023619 |
Adaptive scanning in an imaging system
An object within a region is exposed to a first beam of penetrating radiation. The first beam of penetrating radiation is sensed on a side opposite the region from a source of the first beam. An...
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8014494 |
Single-arc dose painting for precision radiation therapy
Provided herein are methods and systems for designing a radiation treatment for a subject using single arc dose painting. The methods and systems comprise an algorithm or a computer-readable...
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8009804 |
Dose calculation method for multiple fields
Systems and methods for developing a treatment plan for irradiating a treatment volume within a patient are disclosed. In accordance with the present invention, control points used to calculate a...
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7953204 |
Radiation treatment planning and delivery for moving targets in the heart
Method and systems are disclosed for radiating a moving target inside a heart. The method includes acquiring sequential volumetric representations of an area of the heart and defining a target...
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7889835 |
System and method for detecting an object by dynamically adjusting computational load
A system and method for ascertaining the identity of an object within an enclosed article. The system includes an acquisition subsystem, a reconstruction subsystem, a computer-aided detection (CAD)...
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7860215 |
Imaging systems for ionising radiation
Flat panel images obtained during concurrent radiotherapy typically suffer from artefacts that relate to the pulses of MV energy. For a radiotherapeutic apparatus comprising a pulsed source of...
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7856084 |
Method for activation of an emitter of a computed tomography scanner
In a computed tomography scanner having an emitter for emitting a beam of given radiation through an object to be analysed, a detector for receiving said beam after the beam itself has traversed...
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7801273 |
Indication of patient skin dose in radiology
The field of the invention is diagnostic and interventional radiology and the invention is a dose indicator for use in a system for performing radiological procedures using ionizing radiation, for...
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7792243 |
Method and arrangement for automatic exposure control
The invention relates to an automatic exposure control of an imaging implemented by electromagnetic radiation, in particular to prioritizing and selecting several automatic exposure signals in...
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7791039 |
Radiation image capturing apparatus and method of detecting malfunction of radiation image capturing apparatus
A mammographic system as a radiation image capturing apparatus includes a radiation source for emitting radiation, a solid-state detector for detecting radiation emitted from the radiation source...
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7778454 |
Method and apparatus for determining the concentration of a substance in a body material by means of multi-energy computed tomography
At least one embodiment of the present application relates to a method and/or an apparatus for determining the concentration of a substance in a body material that is composed of two different...
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7734013 |
Radiation image capturing apparatus and method of controlling radiation image capturing apparatus
A mammographic system as a radiation image capturing apparatus includes a radiation source for emitting a radiation, AEC sensors for detecting the radiation emitted from the radiation source and...
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7672428 |
Radiotherapy apparatus
Recent advances in treatment planning and in the apparatus able to deliver such plans has called for the dose rate, i.e. the instantaneous power output of the radiation source, to be varied with...
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7643866 |
Method for producing a computed tomography display of tissue structures by applying a contrast medium
A method is disclosed for producing a computed tomography display of tissue structures by applying a contrast medium. A contrast medium is applied to a patient for better visualization of the...
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7639779 |
Apparatus for and method of capturing radiation image
An irradiation dose calculator calculates a pre-exposure-mode-required irradiation dose using the thickness of a breast which measured by a thickness measuring unit, as a parameter, and the...
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7636421 |
X-ray imaging apparatus and X-ray controlling method
The present invention provides an X-ray imaging apparatus and X-ray controlling method which allows appropriate X-ray control irrespective of the type and position of a subject. The X-ray...
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7613276 |
Mammography apparatus
A mammography apparatus capable of obtaining a breast image having an optimum density with reduced burden on the subject. The apparatus includes a radiation irradiation section and an object table...
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7561667 |
Radiation image capturing apparatus, method of controlling same, apparatus for and method of adjusting radiation dose detector
A radiation image capturing apparatus is capable of setting highly accurately an optimum dose of radiation to be applied to an area of interest of a subject. A solid-state detector acquires...
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7545915 |
Dose rate control in an X-ray system
A controller for controlling the dose rate (exposure kV tube voltage) of an X-ray system, in which the actual dose rate is measured and compared with an optimal dose rate, and the resultant...
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7528376 |
Photo timer and radiographic apparatus
A photo timer includes an X-ray dose detector for detecting the dose of X-rays irradiated from an X-ray irradiation apparatus, a stop-signal output means for outputting a stop signal to stop...
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7503693 |
Mobile x-ray receiver for an x-ray apparatus
An x-ray receiver for an x-ray apparatus is disclosed. In at least one embodiment, the x-ray receiver includes a detector holding apparatus designed such that it can be connected to a detector for...
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7496176 |
Method and arrangement relating to x-ray imaging
The present invention relates to a method and arrangement for controlling exposure in an e-ray apparatus, for depicting an object. The apparatus comprises an x-ray source and a displaceable...
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7480365 |
Dose reduced digital medical image simulations
A method for providing a reduced exposure value for radiographic imaging obtains a set of flat-field images at two or more exposure values and measures the noise power spectra using the flat field...
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7463718 |
X-ray diagnostic device for digital radiography
The invention relates to an X-ray diagnostic device for digital radiography with a high voltage generator (1), an X-ray tube (2) for generating an X-ray bundle (3), an image converter (5 to 9)...
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7460642 |
Method for generating an x-ray image sequence
With a method for generating an x-ray image sequence for supporting an intervention on a patient with a catheter or guide wire for instance, automatic recognition of the catheter is carried out...
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7436930 |
Method for controlling the dose or the dose rate when recording x-ray images
With a method for controlling the dose or dose rate when recording x-ray images by means of a detector comprising image elements which record a plurality of dose data values, an actual value is...
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7433445 |
Apparatus for and method of capturing radiation image
A radiation application time upper limit calculator calculates a radiation application time upper limit based on a subject thickness, as measured by a subject thickness measuring unit. While an...
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7428295 |
Method and x-ray apparatus for exposure of a patient at variable distances relative to an x-ray source
In a method and x-ray apparatus for exposure of a patient who can be placed at a variable distance relative to an x-ray source, the dose rate emitted by the x-ray source is reduced given reduction...
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7400707 |
Apparatus for and method of capturing radiation image
Before a radiation image is captured, a rate of change of an output signal from an integrator, during a given period of time after the integrator has been reset and until a radiation start signal...
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7372940 |
Radiation therapy system with risk mitigation
An X-ray therapy system with equipment for reducing risk that the radiation applied to a patient is other than what is intended. A radiation check is made in which a signal indicative of the...
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7372942 |
Medical imaging system with dosimetry for estimating circuit board life
A dosimeter is provided on or adjacent to a circuit board deployed in a radiation environment. The dosimeter may be read or output a value or values indicating radiation dosage over a period of...
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7359482 |
X-ray detector system
A mobile X-ray detector system is disclosed including a mobile X-ray detector and a mobile dosimeter arranged on the X-ray detector, at least during operation. Furthermore, an X-ray facility is...
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7346146 |
X-ray detector with photo-gates and dose control
The invention relates to a radiation detector apparatus (10) with an array (12) of detector pixels. Each pixel (20) of the detector comprises a photogate electrode (21) under which electrical...
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7342996 |
X-ray means for determining the location of malignant neoplasm and its radiotherapy
The invention relates to a method of radiotherapy of a malignant neoplasm, defining a location of a malignant neoplasm, and a device for implementation the method, consisting in elimination of the...
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7298823 |
Method and device for user-specific parameterization of an x-ray device
A method and a suitable x-ray device (1) for carrying out the method are specified for effective and operationally simplified user-specific optimization of a parameter configuration (K) of an x-ray...
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7274771 |
Methods and systems for controlling exposure for medical imaging devices
Methods and systems for controlling exposure for medical imaging devices is provided. The method includes varying the exposure level of X-rays within an X-ray imaging system to generate a plurality...
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7274770 |
X-ray examination apparatus and a method of controlling an output of an X-ray source of an X-ray examination apparatus
An X-ray examination apparatus arranged with control means to control a dose of an X-ray source in accordance with a grey-level distribution of an acquired image. The X-ray examination apparatus...
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7266177 |
Method and device for generating an x-ray image
The invention relates to a method for generating an x-ray image. In order to minimize the dose rate the invention proposes that the body to be examined is first irradiated with a first dose rate....
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7233004 |
X-ray examination apparatus including a dosimeter
The invention relates to an arrangement which includes a radiation source (1) and a radiation sensor device (3) for forming image signals (Bn), the radiation sensor device (3) being associated with...
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7221735 |
Radiographic image capturing apparatus, radiographic image display apparatus, and methods thereof
In a radiographic image capturing apparatus for capturing radiographic images by controlling a radiation generator and a detection device for converting an intensity distribution of radiation...
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7209543 |
Automatic exposure method and automatic exposure system
The present invention relates to automatic exposure control implemented in imaging by electromagnetic radiation, in particular to automatic exposure control in film-based mammography, which is...
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7190763 |
Exposure calculation method and radiography system
A method of calculating an exposure a patient receives during radiography includes retrieving a value of a dose rate, which is associated with a value of the tube voltage of an X-ray tube, from a...
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7162010 |
Method to measure the entrance dose of a radiology apparatus
The invention relates to a method to measure the entrance dose of a radiology apparatus of the type comprising an X-ray beam source, and a detector for the X-ray beam after it has passed an object...
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7110495 |
Area exposure dosimetry and area absorbed dosimetry
The area of an irradiation region, and at least one of the area of an object region and the area of a non-object region in a radiation image obtained by radiographing an object are calculated. The...
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7076027 |
Fluoroscopic apparatus and method
The object of the present invention is to enable photographing of a desired X-ray image in accordance with each of fluoroscopy, radiography of moving images in an area of interest and spot...
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6873682 |
Exposure control in scanning-based detection of ionizing radiation
An apparatus for recording a 2D image of an object comprises a plurality of 1D detector units, each exposed to ionizing radiation, as transmitted through or scattered off the object, and being...
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6870898 |
Computed tomography apparatus with automatic parameter modification to prevent impermissible operating states
A computed tomography (CT) device has adjustable operational parameters and a control unit and a unit for preselecting a combination of operational parameters for an examination to be carried out....
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6847698 |
Radiation image sensing apparatus
When a phototimer unit is used for exposure control, a deterioration in a S/N ratio occurs, and optimal exposure cannot be performed due to a deviation from a proper image sensing position and the...
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