Patent application number | Description | Published |
20080279339 | Stand For Holding a Radiation Detector For a Radiation Therapy Device - Stand for holding a radiation detector for a radiation therapy device, as well as a radiation therapy device having a stand for holding a radiation detector. In order to integrate a radiation detector in a space-saving manner in a radiation therapy device, at least one stand is provided in order to hold the radiation detector, in particular in such a manner that it can be moved in a linear-movement direction and can be pivoted about a pivoting axis; the radiation therapy device has a gantry, a first radiation source and the stand, by means of which the radiation detector can on the one hand be moved to at least one examination position within the radiation area of the first radiation source, and on the other hand can be moved to a parked position, outside the radiation area, in the opposite direction to a first radiation direction from the first radiation source, with respect to the examination position. | 11-13-2008 |
20090296892 | DISPLACEMENT FOR AN X-RAY C-ARM - The present embodiments relate to a displacement apparatus for a C-arm arranged on a trolley. The displacement apparatus includes at least a first and at least a second guide element arranged in a plane, whereby the first and second guide elements are arranged at right angles to one another, a first displacement device which can be moved along the first guide element, and a second displacement device, which can be moved along the second guide element. A linking device connects the first and second displacement device in such a way that any movement of the first displacement device will result in the second displacement device being moved along the second guide element. This avoids the possibility of any jamming which may arise as a consequence of the leverage forces generated when a C-arm is moved. | 12-03-2009 |
20100027760 | DISPLACEMENT SYSTEM FOR AN X-RAY C-ARM - A displacement system for a C-arm arranged on a trolley is provided. The displacement system includes at least a first and at least a second guiding element arranged in a plane or parallel thereto. The first and second guiding element are arranged at right angles to one another and a displacement device arranged in a displaceable fashion along the first and second guiding element, with the displacement device being coupled to the guiding elements such that by rotating the displacement device about a drive axis, the displacement device is moved along the first and second guiding element. As a result, the displacement system prevents jamming as a result of leverage forces during displacement of the C-arm. | 02-04-2010 |
20100027761 | MOVEMENT SYSTEM FOR AN X-RAY C-ARM - A movement system for a C-arm. The movement system comprises at least one first guide element arranged in a plane, a movement device arranged to allow movement along the first guide element as well as a first motion link rotatable around a first axis of rotation standing at right angles to the plane. The movement device is connected rotatably to the first motion link to a second axis of rotation standing at right angles to the plane such that a movement of the movement device along the first guide element causes the second axis of rotation to be moved on a circular track around the first axis of rotation. The advantage of this is that the arm is prevented from jamming as a result of leverages during movement of a C-arm. | 02-04-2010 |
20100091938 | MULTI-BEAM X-RAY DEVICE - A multi-beam x-ray device has a multi-beam x-ray tube in the form of a polygon, wherein the focal spots of the x-ray radiation are arranged along the polygon sides. An x-ray tube control unit controls the x-ray radiation emission such that an x-ray beam is alternately emitted from each polygon side in a specified sequence. Multiple first diaphragms with at least one respective first diaphragm aperture are arranged such that they can move into the beam path of the x-ray tube. A first diaphragm, whose first diaphragm aperture limits the cross section of the x-ray beam emitted from the x-ray tube, is associated with every polygon side. A number of slice images can be generated from different directions without a movement of the x-ray tube. | 04-15-2010 |
20100091939 | CIRCULAR MULTI-BEAM X-RAY DEVICE - A multi-beam x-ray device has a multi-beam x-ray tube with an interior in the form of a circle. Focal spots of the x-ray radiation are arranged along the circle. An x-ray tube control unit controls the x-ray radiation emission such that an x-ray beam is emitted from each segment of the circle in specified sequence. The circle is divided up into at least two segments, and multiple diaphragms, each with at least one diaphragm aperture therein, one mounted to rotate around the center point of the circular path into the beam path of the x-ray tube. A first diaphragm, whose first diaphragm aperture limits the cross section of the x-ray beam emitted from the x-ray tube, is associated with each segment of the circular path. A number of slice images can be acquired without a movement of the x-ray tube. | 04-15-2010 |
20100148021 | STAND FOR IMAGING - A stand, especially a floor stand, with a movable arm with an attachment section provided at the end of the arm for an object to be held by means of the stand, especially an imaging device in the form of an ultrasound head, with the attachment section being supported movably on the arm via a ball-and-socket joint comprising a ball head carrying the attachment section and a head holder supporting the ball head on the arm side, with a locking device being provided for releasable locking of the ball head ( | 06-17-2010 |
20100163694 | IMAGING SYSTEM STAND - A stand, in particular a floor stand, having an arm for holding an object, in particular an imaging device in the form of an ultrasound transducer, said arm being mounted on a vertical column and movable vertically via a vertical guide, wherein a counterweight balancing the weight of the arm is provided on or in the vertical column, a device ( | 07-01-2010 |
20110006230 | MEDICAL DEVICE HAVING A COLLISION PROTECTION APPARATUS - A medical device includes a moving gantry, on which a radiation source is arranged, and a collision-protection apparatus for preventing a patient from colliding with the moving gantry. The gantry is operable to be moved around a patient-positioning apparatus. The collision-protection apparatus can be configured as a mechanical collision-protection apparatus that is operable to be positioned between the patient and the moving gantry. The collision-protection apparatus can also be configured as a collision-monitoring apparatus that detects the crossing of a predefined volume by an object, the collision-monitoring apparatus having a control apparatus that controls the motion of the gantry as a function of whether a crossing of the volume has or has not been detected. | 01-13-2011 |
20110007865 | RADIATION THERAPY DEVICE - A radiation therapy device includes a radiation application apparatus, which is used to direct a therapeutic beam along a therapeutic beam center axis onto a target volume to be irradiated. The radiation therapy device also includes a diagnostic radiation source for diagnostic x-ray radiation, is the diagnostic radiation source being disposed eccentrically in relation to the therapeutic beam center axis in a rotatable manner on a rotation apparatus so that the diagnostic radiation source is operable to be rotated about the therapeutic beam center axis. The radiation therapy device further includes a detector for diagnostic x-ray radiation, which is used to detect the diagnostic x-ray radiation emitted from the diagnostic radiation source. | 01-13-2011 |
20110007867 | RADIATION THERAPY SYSTEM - A radiation therapy system including a radiation therapy apparatus for generating a therapeutic treatment beam, with which an object is irradiated, an imaging apparatus for generating a medical image of the object, and a positioning apparatus, with which the object is positioned in the radiation therapy system for irradiation and imaging purposes, is provided. The imaging apparatus and the radiation therapy apparatus are both rotatably mounted so that the object is positioned in a first rotation state in the imaging apparatus and is positioned in the radiation therapy apparatus in a second rotation state. | 01-13-2011 |
20110066022 | APPARATUS FOR THE FLEXIBLE POSITIONING OF A RADIATION SOURCE AND A RADIATION DETECTOR - An apparatus for medical examinations includes a first arm that is rotatable about an axis, the first arm being configured to carry a radiation source or a radiation detector. The apparatus for medical examinations also includes a second arm that is rotatable about the axis, the second arm being configured to carry a radiation source or a radiation detector. The second arm is attached to the first arm and is rotatable relative to the first arm. | 03-17-2011 |
20110085640 | RADIATION THERAPY DEVICE - A radiation therapy device includes an overhanging arm, from which a therapeutic treatment beam is operable to be directed onto the object to be irradiated, the overhanging arm being attached to a rotatable holder so that the overhanging arm is operable to be rotated around an isocenter, such that the therapeutic treatment beam is operable to be directed from different angles onto the isocenter. The radiation therapy device also includes a holder ring connected to the overhanging arm, the holder ring being arranged concentrically in a plane of rotation of the radiation therapy device. The radiation therapy device includes an x-ray source for diagnostic x-rays and an x-ray detector of the diagnostic x-rays. The x-ray source and the x-ray detector are operable to be moved along the holder ring so that a diagnostic x-ray image of a patient to be irradiated is produced from different directions. | 04-14-2011 |
20110135051 | IMAGING APPARATUS - An imaging apparatus for irradiating an object includes a source arrangement, from which x-rays from different positions that form an at least one-dimensional structure may be emitted. The imaging apparatus also includes a detector arrangement for detecting the x-rays. An object is positioned between the source arrangement and the detector arrangement so that, with the detector arrangement, the x-rays attenuated by the object are recorded. The imaging apparatus also includes an evaluation apparatus for evaluating the signals recorded by the detector arrangement. A region of the detector arrangement is assigned to different positions of the structure, from which x-rays are directed at the region in partial irradiations. The region is aligned relative to the structure, such that the partial irradiations that are produced from the different positions of the structure with a region of the detector develop a radiation geometry that irradiates the object in a planar fashion. | 06-09-2011 |
20120104283 | IRRADIATION SYSTEM - The present embodiments relate to a system for irradiating a patient. The system for irradiating the patient includes a horizontal guide and a vertical guide. The vertical guide is connected horizontally-adjustably to the horizontal guide. The system also includes a support element that is attached vertically-adjustably to the horizontal guide and a radiation unit including a radiation source. The radiation unit is arranged on the support element. The irradiation system may be expanded by three further degrees of freedom. | 05-03-2012 |
20120205555 | HOLDING ARM AND ARRANGEMENT FOR SUPPORTING DIAGNOSTIC IRRADIATION IN RADIATION THERAPY APPLICATIONS - The present embodiments relate to a holding arm for a detector that may be positioned on a first arm end or a diagnostic beam source that may be positioned on the first arm end. The present embodiments also relate to a radiation therapy arrangement with the holding arm. The holding arm may be positioned in a region of a second arm end in an emitter head region of a radiation therapy system and is essentially curved. | 08-16-2012 |
20120213332 | RADIATION THERAPY SYSTEM WITH A TELESCOPIC ARM - A radiation therapy system includes a radiation therapy module having a cantilever arm, from which a therapeutic treatment beam is directable onto an object. The cantilever arm is secured on a kinematic control such that the cantilever arm may be rotated about an isocenter such that the therapeutic treatment beam may be directed from different angles onto the isocenter. The radiation therapy system includes an X-ray imaging device with at least one X-ray source and an X-ray detector. The X-ray source is configured as a single-tank X-ray generator and arranged in the cantilever arm such that X-radiation may be directed in a direction of the therapeutic treatment beam. A first end of a first telescopic arm is arranged rotatably on the cantilever arm. The X-ray detector is arranged on a second end of the first telescopic arm such that a diagnostic X-ray image of the object may be produced. | 08-23-2012 |
20120213334 | RADIATION GENERATION UNIT - The present embodiments relate to a radiation generation unit for a therapy system. The radiation generation unit has a radiation source and support components for the radiation source. The radiation generation unit includes a power source and has a mechanical interface, with which the radiation generation unit may be attached to a stand. Degrees of freedom of movement may easily be implemented using a corresponding movement of the radiation generation unit. | 08-23-2012 |
20120307973 | RADIOTHERAPY SYSTEM - The present embodiments relate to a radiotherapy system including a radiotherapy module and at least one X-ray imaging module. The radiotherapy module and the X-ray imaging module may be moved independently of each other. | 12-06-2012 |
20130090514 | RADIATION THERAPY APPARATUS - A radiation therapy apparatus includes a gantry having a central aperture that defines a cavity, in which a patient is positionable. The apparatus also includes a positioning device, with which the patient is positionable in the central aperture of the gantry, and a radiation head for generating therapeutic radiation. The apparatus includes an extension mechanism for the radiation head. The extension mechanism may be operated, such that in a first operating mode, the radiation head is disposable inside the gantry, such that the gantry has, on a side facing the positioning device, a front surface that constitutes a front limit of the radiation therapy apparatus toward the positioning device. In the first operating mode, the radiation head is behind the front surface viewed from the positioning device. In a second operating mode, the radiation head, viewed from the positioning device, may be moved out in front of the front surface. | 04-11-2013 |
20130287179 | Adaptive X-Ray Filter and Method for Adaptive Attenuation of X-Ray Radiation - An adaptive x-ray filter and an associated method for changing a local intensity of x-ray radiation are provided. The adaptive x-ray filter includes a first fluid absorbing x-ray radiation and hydraulically moveable positioning elements that change the layer thickness of the first fluid at a location of the respective positioning element by being able to at least partly displace the first fluid. | 10-31-2013 |