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9042521 Beam lighting unit for radiographic apparatus  
Method for limiting an X-ray beam, wherein the X-ray beam is limited by a limiting unit comprising a couple of blades approaching each other or moving away from each other to adjust the width of a...
9042514 Dose reduction via dynamic collimation adjustment for targeted field of view and/or digital tilt CT  
Among other things, one or more systems and/or techniques are described for dynamically adjusting, in a fan-angle direction, attenuation of radiation during an examination of an object such that...
9036779 Dual mode X-ray vehicle scanning system  
A variable mode X-ray transmission system is provided that can be operated in low or high dose rate modes depending upon the area or portion of the vehicle to be screened. In one embodiment,...
9031204 Leaf module for a multi-leaf collimator and multi-leaf collimator  
A leaf module for a multi-leaf collimator comprises a leaf unit and a leaf drive unit. The leaf unit comprises a leaf for shielding beams from a selected area. The leaf unit is mounted...
9028145 Apparatus and methods for collimation of X-rays  
Apparatus and methods for collimation of x-ray beams. According to various embodiments, an x-ray apparatus may comprise a first rotatable disk comprising a first plurality of angled slots and a...
9020103 Versatile beam scanner with fan beam  
A versatile beam scanner for generating a far-field scanned pencil beam, and, alternatively, a far-field pencil beam. An angle selector limits the angular extent of an inner fan beam emitted by a...
9014339 Versatile x-ray beam scanner  
Apparatus for interrupting and/or scanning a beam of penetrating radiation, such as for purposes of inspecting contents of a container. A source, such as an x-ray tube, generates a fan beam of...
9008267 Medical viewing system for displaying an X-ray image  
A medical viewing system comprises an X-ray source, a collimator for limiting the X-ray radiation output of the X-ray source and a flat X-ray detector, wherein the collimator is adjustable such...
8989352 X-ray distance indicator and related methods  
Apparatus and methods for providing a distance indication using an x-ray apparatus. According to various embodiments, an x-ray apparatus may be provided comprising an x-ray generator and a visible...
8971498 Contour collimator and adaptive filter having a magnetic fluid absorbing x-ray radiation and associated method  
A contour collimator or an adaptive filter for adjusting a contour of a ray path of x-ray radiation is provided. The apparatus includes a magnetic fluid that is impermeable to x-ray radiation and...
8971493 System for image scanning and acquisition with low-dose radiation  
A medical imaging system adaptively acquires anatomical images using a shape adaptive collimator including multiple different portions of X-ray absorbent material automatically adjustable to alter...
8971497 Contour collimator and adaptive filter with electroactive polymer elements and associated method  
A contour collimator and an adaptive filter as well as an associated method for adjusting a contour of a ray path of x-ray radiation are provided. The contour collimator and the adaptive filter...
8964942 Imaging system using multisource collimation and a method assembly and system for providing multisource collimation  
Disclosed is a collimator assembly for a multi-radiation-source medical imaging system (e.g. CT) and a medical imaging system utilizing the collimator. According to some embodiments of the present...
8956044 Method of acquiring an X-ray image and X-ray acquisition device comprising automatic wedge positioning  
For acquiring an image of a moving region of interest of an object, a corresponding X-ray image acquisition apparatus may include a semitransparent X-ray transmitting device comprised in a...
8948346 Collimator and control method thereof  
A collimator for adjusting the shape of a region irradiated by radiation and a control method thereof. The collimator includes a plurality of irises to adjust the shape of the irradiation region,...
8942346 Systems and methods for obtaining and displaying an X-ray image  
Systems and methods for obtaining and displaying a collimated X-ray image are described. The methods can include providing an X-ray device having an X-ray source, a square or rectangular X-ray...
8917815 Adjustable dynamic filter  
A grid employs dynamic and adjustable grid lines that communicates with a transmitting object and/or a receiving object. The grid lines may be but not limited to liner, crosshatched or pinwheel...
8884235 System and method for collimation in diagnostic imaging systems  
A system and method for collimation in diagnostic imaging systems is provided. One collimator includes a plurality of parallel hole segments and a plurality of collimator bores within each of the...
8853636 Linear accelerators  
The primary collimator for a radiotherapy apparatus can be made up of several layers, each comprising several apertures, and each layer being moveable so as to select a specific aperture to build...
8837681 Method and device for adjusting a collimator radiation field in an X-ray imaging system  
A method and device for adjusting a collimator radiation field and an X-ray imaging system including the device are disclosed.
8835878 Gated radiation procedure using packages  
A method of delivering radiation in a session includes delivering radiation towards a patient using a radiation system, wherein the radiation is delivered based at least in part on a physiological...
8831180 Apparatus for scatter reduction for CT imaging and method of fabricating same  
A collimator for an imaging system includes a first region comprising a first one-dimensional array of apertures along a channel direction, and a second region comprising a second one-dimensional...
8831169 X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region  
An X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region that can appropriately narrow down an X-ray radiation aperture so as to fit a configuration of a region of...
8824638 Systems and methods for making and using multi-blade collimators  
Systems and methods for making and using a multi-blade collimator device are described herein. The collimator device can include a base member, a rotational member, and multiple X-ray-attenuating...
8816307 Method and apparatus pertaining to use of jaws during radiation treatment  
These various embodiments are employed in conjunction with the use of both a multi-leaf collimator and jaws that are interposed between a source of radiation and a treatment target while sourcing...
8791437 Device for shaping an electron beam of a machine for intraoperative radiation therapy  
The present invention concerns a device for shaping an electron beam of a machine for intraoperative radiation therapy (IORT—Intra Operative Radiation Therapy) using a tubular applicator (3)...
8731142 X-ray collimator  
An X-ray collimator for controlling an X-ray radiation field, having a lower base member, a pair of regulating members, a pair of surrounding members having substantially U-shaped forms in planar...
8718233 Linkage mechanism, a collimator, and an X-ray machine  
A linkage mechanism of a scattered ray inhibition apparatus and a radiation field control apparatus is provided. The linkage mechanism includes a first timing belt, a second timing belt, and a...
8699668 Composite material x-ray collimator and method of manufacturing thereof  
A composite material pre-patient collimator for shaping an x-ray beam in a computed tomography (CT) system is disclosed. The pre-patient collimator includes a base comprised of a first material...
8633445 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...
8536548 Particle beam therapy system  
A particle beam therapy system that prevents dispersion of a charged particle beam, reduction of the energy thereof, and upsizing of the system and can accurately monitor the opening shape of a...
8525141 Collimator alignment system and method  
In one embodiment, a system for aligning collimators in an imaging system includes a transmitter coupled to a first detector and configured to transmit a beam, and a receiver coupled to a second...
8476608 Compact high precision adjustable beam defining aperture  
The present invention provides an adjustable aperture for limiting the dimension of a beam of energy. In an exemplary embodiment, the aperture includes (1) at least one piezoelectric bender, where...
8472587 Collimator with an adjustable focal length  
The invention relates to a collimator with adjustable focal length, especially for use in X-ray testing devices whose operating principle is based on diffraction phenomena in an object. Fixed...
8350234 Particle beam therapy system  
Light from a light source is made to be reflected by a light source mirror and to pass through a variable collimator, an irradiation field shape shaped by the variable collimator is projected on a...
8335296 Multi-leaf collimators and operating method  
Multi-leaf collimators have a guide frame (1) with a plurality of metal plates (3) arranged in a displaceable fashion, by which each individual metal plate can be displaced by an electric motor...
8320518 Methods, apparatus, and computer-program products for increasing accuracy in cone-beam computed tomography  
Portions of the radiation source are obscured so that the radiation only passes through the specific areas of the patient related to the regions-of-interest to the doctor. Scattered radiation...
8278633 Gated radiation procedure using packages  
A method of delivering radiation in a session includes delivering radiation towards a patient using a radiation system, wherein the radiation is delivered based at least in part on a physiological...
8218721 X-ray beam modifying diaphragm and diaphragm device  
A diaphragm and diaphragm device for the specific manipulation of x-ray radiation that emanates from an x-ray focus of a CT apparatus and serves for scanning an examination subject, wherein the...
8213569 X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region  
An X-ray diagnosis apparatus and a method for controlling an X-ray irradiation region that can appropriately narrow down an X-ray radiation aperture so as to fit a configuration of a region of...
8213568 Dynamic collimation in cone beam computed tomography to reduce patient exposure  
When performing a fly-by or helical CT scan of a subject, radiation dose is limited by positioning a dynamic collimator (142) between the subject and an X-ray source (112). The collimator moves...
8199884 Slit mechanism apparatus and X-ray computed tomography apparatus  
According to one embodiment, a slit mechanism apparatus includes, two slit plates configured to adjust a thickness of X-rays, two slit link bars which are pivotally supported on two ends of each...
8189743 Blade device and X-ray imaging apparatus  
A blade device for forming a hollow cone-like radiation includes a pair of blade members opposed to each other symmetrically at a fixed inclination angle in a first direction perpendicular to the...
8139719 Add-on-X-ray-collimator for non-symmetrical beam collimation  
It is described a device (10) for non-symmetrical X-ray beam collimation of a X-ray tube (30), wherein the device comprises a housing (1), a X-ray absorbing plate (2) for collimating a x-ray...
8094775 X-ray computer tomography apparatus including a pair of separably movable collimators  
An X-ray computer tomography apparatus includes an X-ray tube, a two-dimensional array type X-ray detector, a rotating mechanism, a pair of collimators, a collimator moving mechanism which...
8093572 Integrated variable-aperture collimator and fixed-aperture collimator  
An apparatus and method for coupling a fixed-aperture collimator to a variable-aperture collimator. The variable-aperture collimator may be an IRIS collimator having multiple leaves configured to...
8094785 Modulatable radiation collimator  
The invention specifies a radiation collimator, in particular an x-ray collimator, which can be arranged between a radiation source outputting radiation and an object. The radiation collimator...
8067751 System and method for high resolution field shaping  
A system and method are provided for a high resolution radiation treatment system which provide for projecting a field of radiation energy at targeted patient tissue. The system uses a multi-leaf...
8064568 Method and device to generate projections of the inside of an examination subject  
In a radioscopic method and device to generate projections of the inside of an examination subject that is located in an examination space of a data acquisition unit, a number of ray beams are...
8059782 Radiotherapeutic apparatus  
The present invention seeks to provide a radiotherapeutic apparatus that mitigates the various problems found in the techniques such as tomotherapy, IMAT, IMRT and the like. It provides a...

Matches 1 - 50 out of 315 1 2 3 4 5 6 7 >