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Document Title |
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7634057 |
Radiotherapy system with turntable
A radiotherapy system including a collimator operable to shape and steer a radiation beam in at least one dimension, a turntable for supporting a patient thereupon adapted to rotate the patient...
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7623628 |
Cardiac gating for dual-energy imaging
Methods are provided for cardiac gating of multiple-energy projection radiographic imaging utilizing an apparatus that measures the patient's peripheral blood perfusion. The choice of methods is...
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7616730 |
Method and CT system for carrying out a cardio-CT examination of a patient
A method and a CT system are disclosed for carrying out a cardio-CT examination of a patient. The patient first is scanned using a first X-ray spectrum by way of at least two X-ray tubes at a first...
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7570738 |
Four-dimensional (4D) image verification in respiratory gated radiation therapy
A method for four-dimensional (4D) image verification in respiratory gated radiation therapy, includes: acquiring 4D computed tomography (CT) images, each of the 4D CT images representing a...
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7551717 |
Virtual 4D treatment suite
A virtual 4D treatment suite includes a dose calculation module, a gating module, and a dose rate adjustment module. The 4D treatment suite may be used to virtually analyze the impact the motion of...
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7545912 |
X-ray unit
An X-ray unit according to the invention has a first arrangement ( 2 ) that is intended for the contactless and X-ray free measurement of first data of an object ( 1 ). A control unit ( 3 )...
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7529342 |
Device and method for producing images of the heart
The invention relates to a device and a method for producing an image of the heart ( 5 ), in which the image is preferably three-dimensional and is reconstructed from a series of X-ray projection...
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7526063 |
System for generating, evaluating and distributing computer-tomographical 4D representations of the heart of a patient
A system is disclosed for generating, evaluating and distributing computer-tomographical 4D representations of the heart of a patient. The system includes a cardio CT appliance, where a first...
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7508913 |
Method or x-ray device for creating a series of recordings of medical x-ray images of a patient who might possibly be moving during the recording of the series of images
The invention relates to a method or x-ray device for creating a series of two-dimensional medical x-ray images to be related to each other in an evaluation of a patient with initially a first...
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7502445 |
Radiographing plan assisting method and X-ray CT system
With a view to providing a radiographing plan assisting method which can easily prepare a radiographing plan by utilizing a user interface, it is made possible to select an anatomical region...
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7496175 |
X-ray diagnostic apparatus and image processing apparatus
An image processing apparatus includes a storage unit which stores the data of a plurality of images in an angiography sequence, and a computation unit which generates a reference time density...
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7492864 |
Methods and apparatus for range based X-Ray attenuation
Methods and apparatus are disclosed for automatically setting an X-Ray strength based at least in part on the volume of an object. Lasers are used to measure distances to the object. Using the...
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7471767 |
Systems and methods for determining image acquisition parameters
An x-ray imaging system that constantly evaluates and determines optimal image acquisition parameters, such as frame rate and pulse length, based on the application and motion detection during an...
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RE40607 |
Methods and apparatus for scout-based cardiac calcification scoring
In one aspect, the present invention is a method for producing CT images of a patient's heart suitable for calcification scoring, in which the heart has a cardiac cycle. The method includes steps...
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7460641 |
X-ray image taking device
An X-ray detector for drive timing setting is provided outside an image taking region of a sensor unit. Thus, an X-ray image taking device is constructed such that a case structure is simple and a...
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7454043 |
Image processing unit and method of associating stored images with current images
The invention relates to the association of a current (X-ray image) image of a body volume with one of several stored previous images, the ECG and the respiratory cycle being determined each time...
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7421061 |
Method and medical imaging system for compensating for patient motion
The present invention relates to a method and also an imaging system to compensate for patient motion when recording a series of images in medical imaging, in which a number of images of an area...
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7406148 |
Method for imaging with the aid of a multirow computed tomograph
A method is for imaging with the aid of a multirow computed tomograph. A volume scan of an examination area of a patient is carried out, with the injection of a contrast medium, at a scanning speed...
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7376214 |
Method and apparatus to image an organ
A method is provided to image an organ of the human or animal body using and acquisition device rotating over an angle, in that the rotation speed of the rotating acquisition device is modulated...
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7371007 |
Method for pre treatment verification in radiation therapy
Dose distribution is measured in a patient-shaped phantom with high accuracy for radiation therapy treatment verification. A detector configuration in such a phantom and improvements in measurement...
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7369639 |
Method and tomography unit for taking tomographic pictures of a beating heart
A method and a tomography unit are disclosed for taking tomographic pictures of a patient's beating heart, in particular X-ray CT pictures. In such a method and tomography unit, only detector data...
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7349522 |
Dynamic radiation therapy simulation system
A system for dynamic treatment simulation for radiotherapy. Software is implemented on a computer system to perform dynamic simulation by displaying every segment of dynamic treatment beams on top...
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7343189 |
Method and device for placing a patient repeatedly into the same relative position
The invention relates to a method for repositioning a patient in a diagnostic/therapeutic system, as well as to such a system, wherein a repeated, accurate repositioning is achieved by producing...
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7327826 |
X-ray imaging apparatus and operating method therefor, with subject thickness-dependent use of a scattered ray grid
In order to achieve a particularly good image sharpness, in a method and apparatus for radiological imaging of an examination subject, a digital x-ray detector is arranged behind the subject and a...
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7286629 |
Method for taking tomograms of a beating heart
A method is for taking tomograms of a patient's beating heart with the aid of a computed tomography unit. ECG signals of the beating heart are recorded. In order to reconstruct the cardiac...
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7251308 |
X-ray computed tomography apparatus
An X-ray computerized tomographic apparatus comprising a gantry which scans a patient with X-rays in order to acquire data on the patient, a decision unit which decides completion of the...
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7221733 |
Method and apparatus for irradiating a target
An apparatus ( 10 ) for irradiating a target includes a radiation source ( 12 ) for generating a radiation beam and a multiple leaf beam adjuster ( 16 ) for collimating and adjusting the shape of...
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7212609 |
Patient positioning device and patient positioning method
The invention is intended to always ensure a sufficient level of patient positioning accuracy regardless of the skills of individual operators. In a patient positioning device for positioning a...
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7184519 |
Compact bumper system for imaging device
A medical imaging system including an imaging device and a patient positioning area in close proximity to the imaging device. A protective bumper is attached to, and conforms to a shape of the...
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7180977 |
Scanning-based detection of ionizing radiaion for tomosynthesis
A scanning-based apparatus for obtaining tomosynthesis data of an object performing a periodic movement comprises a radiation source emitting radiation around an axis of symmetry; a radiation...
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7180976 |
Rotational angiography based hybrid 3-D reconstruction of coronary arterial structure
A method and apparatus of generating a hybrid three dimensional reconstruction of a vascular structure affected by periodic motion is disclosed. At least two x-ray images of the vascular structure...
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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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7145982 |
X-ray CT apparatus and method of calculating blood-flow information
An X-ray CT (computed tomography) apparatus is disclosed. The X-ray CT apparatus include an X-ray supply unit performing low-dose X-ray scanning and high-dose X-ray scanning for a patient in which...
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7127025 |
Method for production of tomographic section images of a periodically moving object with a number of focus detector combinations
A method is for production of tomographic section images, in particular X-ray CT images, of an at least partially periodically moving examination object with periodically changing movement and rest...
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7127028 |
Radiation image taking system
A tomosynthetic image taking apparatus takes an x-ray image of an object in each of a plurality of positions of an x-ray source to obtain a desired tomogram of the object by adding up the x-ray...
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7116756 |
X-ray diagnostic apparatus with a body mass index calculator for controlling x-ray emissions
An x-ray diagnostic apparatus has an x-ray radiator, a control device connected thereto, a radiation detector and a patient-positioning table. The x-ray diagnostic apparatus has a device that...
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7110494 |
X-ray diagnostic apparatus with a patient weighting device associated with the patient positioning table
An x-ray diagnostic apparatus has an x-ray radiator, a control device connected thereto, a radiation detector and a patient positioning table. A patient weighing device that is connected with the...
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7050537 |
Radiographic apparatus, radiographic method, program, computer-readable storage medium, radiographic system, image diagnosis aiding method, and image diagnosis aiding system
A radiographic apparatus or system for imaging a dynamic state or process of an object such as a human body includes an indication unit for performing dynamic state guiding indication using a...
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7042976 |
Radiographic imaging apparatus
When a command to start imaging is issued, the heart beat of a subject is detected to measure his/her heart beat period. A static period is determined from a cardiac waveform. The duration of one...
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7035370 |
Method for examining a body region of an examination object, which body region performs a periodic movement, and CT apparatus for carrying out such a method
A method is for examining a body region of an examination object, which body region performs a periodic movement in the form of a sequence of movement cycles including phases of the periodic...
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7023958 |
Radiation image-acquiring apparatus, and radiation image-acquiring method
A radiation image-acquiring apparatus or a radiation image-acquiring method capable of reducing artifact due to pulsations of a heart of a subject to be examined is disclosed. X-rays generated by...
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7020234 |
Method for producing tomograms of a periodically moving object with the aid of a focus detector combination
A method is for improving CT image data from a moving examination object, in particular a beating heart. The method includes moving a focus on a circular track about the examination object, wherein...
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6920201 |
X-ray device with a storage for X-ray exposure parameters
The invention relates to an X-ray device in which a set of exposure parameters is fetched from among a number of such sets stored in a first storage arrangement for APR X-ray exposures. The...
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6910626 |
Method of patient identifier verification
A method and apparatus are provided for verification of the identity of a patient undergoing treatment administered by a medical treatment practitioner in a treatment room. An identifying element...
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6909769 |
Method and apparatus for three-dimensional imaging of a moving examination subject, particularly for heart imaging
In a method and apparatus for three-dimensional imaging of a moving examination subject, particularly heart imaging with an examination apparatus having at least one C-arm with a radiation source...
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6834096 |
Apparatus and method for providing a three-dimensional radiographic image of an object
An apparatus and method comprises an acquisition of a first series of projected two-dimensional mask images of the object obtained for different positions of a camera around the object; an...
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6795526 |
Automatic exposure control for a digital image acquisition system
A method and system for of defining, or identifying, regions of interest for exposure management in a digital x-ray imaging system, and especially in the case of multiple consecutive image...
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6785578 |
User input device for controlling medical imaging equipment motion
A system including a user input device for controlling a position of medical equipment is described. In an example embodiment, the user input device is configured to be coupled to the medical...
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6771734 |
Method and apparatus for generating a volume dataset representing a subject
In a method and an apparatus for generating a volume dataset of a subject taking a movement of the subject into consideration, a referencing base is arranged at the subject, so that the positions...
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6721386 |
Method and apparatus of cardiac CT imaging using ECG and mechanical motion signals
The present invention is directed to a method and apparatus of cardiac CT imaging. The present invention utilizes ECG signals as well as mechanical motion signals of a cardiac region of a subject...
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