Abstract: The present invention relates to a method for positioning an arrangement of at least one beam position relative to a patient's body when the patient is placed for treatment by means of a treatment device which can emit treatment radiation, wherein the at least one beam position describes at least one position of at least one treatment beam, wherein the arrangement is referred to as the treatment arrangement and the treatment beam comprises the treatment radiation, wherein the method is executed by a computer and comprises the following steps: providing treatment beam absorption data which describe the absorption properties of the at least part of the body with respect to absorbing the treatment radiation, and the relative position between the at least part of the body and the treatment arrangement; providing treatment beam data which describe radiation properties of the at least one treatment beam; providing condition data which describe a condition for treating the at least part of the body; determining an

Abstract: The present invention relates to a method for determining preferred alignments of a treatment beam generator, which is suitable for irradiating an object, relative to a body, wherein the visibility of the object in at least one image is taken into account when determining the preferred alignments, wherein the image is obtained by means of at least one imaging device, the position of which relative to the treatment beam generator is known and invariable.

Abstract: The present invention relates to a data processing method for determining control data for controlling beam positions which beam positions describe positions which a treatment beam has or would have if emitted by a beam source, the treatment beam being for treating a treatment body part of a patient, said method constituted to be performed by a computer and comprising the steps of: • providing treatment data which comprise data on a position of the treatment body part; • providing condition data which describe: constraints on the beam positions and/or constraints on positional changes of the beam positions, wherein said constraints allow for at least a part of the beam positions to lie not in a common plane; • providing an arrangement of the beam positions on the basis of the treatment data which arrangement fulfils the condition data; • determining control data for controlling a change of a relative position of the beam source relative to the treatment body part for changing the beam positions and for contro

Abstract: The present invention relates to a method of determining an analyzing level for analyzing a system test procedure for testing a modular system having functional modules, comprising acquiring dependency data comprising dependency information describing at least one functional dependency of at least one functional module, acquiring change data comprising change information describing a change in a module test procedure for testing at least part of the at least one functional module located at a first system test level, acquiring impact data comprising impact information describing an impact of the change in the module test procedure on testing a functionality of the at least one functional module based on the dependency information and the change information, determining, based on the impact information, analyzing level data comprising analyzing level information describing an analyzing level being the system test level at which the system test procedure is analyzed.

Abstract: A patient positioning system for radiotherapy, comprising a device for positioning a patient within the framework of treatment planning, using image detection and/or carrying out radiation treatment, comprising a patient bed on which a patient is positioned, wherein means are provided by which the same bed may be arranged both on a planning couch for image detection within the framework of treatment planning as well as on a radiotherapy table, and by providing a reference means on the patient bed by which the position of the immobilized patient or of a marked radiation target is determined with respect to the patient bed. Within this framework, a corresponding method is also provided, as well as an adjusting means for the transport and the bed.

Abstract: The present invention relates to a method for determining preferred alignments of a treatment beam generator, which is suitable for irradiating an object, relative to a body, wherein the visibility of the object in at least one image is taken into account when determining the preferred alignments, wherein the image is obtained by means of at least one imaging device, the position of which relative to the treatment beam generator is known and invariable.

Abstract: The invention concerns a patient positioning system for radiotherapy, comprising a device for positioning a patient within the framework of treatment planning, using image detection and/or carrying out radiation treatment, comprising a patient bed (3, 42, 50) on which a patient is positioned, wherein means are provided by which the same bed (3, 42, 50) may be arranged both on a planning couch (8) for image detection within the framework of treatment planning as well as on a radiotherapy table (1, 44), and by providing a reference means (54) on the patient bed by which the position of the immobilised patient or of a marked radiation target is determined with respect to the patient bed (3, 42, 50). Within this framework, a corresponding method is also provided, as well as an adjusting means for the transport and the bed.

Abstract: A method for accurately positioning a patient for radiotherapy and/or radiosurgery, comprising the following steps: the patient is pre-positioned as accurately as possible with respect to a linear accelerator; at least two x-ray images of the patient and/or one of the parts of his body in the vicinity of the radiation target point are produced from different respective recording angles on a single image recorder; the x-ray image is spatially localized; at least one reconstructed image, corresponding to each x-ray image and deriving from a three-dimensional patient scan data set, is produced, the reconstructed images containing the desired image contents of the x-ray images when the patient is correctly positioned; and the real x-ray images are superimposed, and the positioning error is determined electronically and/or with computer guidance by way of particular landmarks and/or the intensity gradient or the contours in the two images; and the position of the patient is corrected by way of the determined posit

Abstract: The invention concerns a patient positioning system for radiotherapy, comprising a device for positioning a patient within the framework of treatment planning, using image detection and/or carrying out radiation treatment, comprising a patient bed (3, 42, 50) on which a patient is positioned, wherein means are provided by which the same bed (3, 42, 50) may be arranged both on a planning couch (8) for image detection within the framework of treatment planning as well as on a radiotherapy table (1, 44), and by providing a reference means (54) on the patient bed by which the position of the immobilized patient or of a marked radiation target is determined with respect to the patient bed (3, 42, 50). Within this framework, a corresponding method is also provided, as well as an adjusting means for the transport and the bed.

Abstract: The invention relates to a method for producing or updating a radiotherapy plan within the framework of inversely planned radiotherapy, wherein an up-to-date radiotherapy plan is calculated at least partly on the basis of the results of an already existing, approved, older plan.

Abstract: A method for breath compensation in radiation therapy, particularly radiotherapy/radiosurgery, wherein the movement of the target volume inside the patient is detected and tracked in real time during radiation by a movement detector. Adaptation to the movement of the target volume inside the patient is achieved by one or more components of a radiotherapy apparatus to compensate for or take into consideration the movement during treatment.

Abstract: An inverse planning method and apparatus for radiotherapy treatment of a target volume in a body are characterized by using a computer to calculate the results (dose distribution) of multiple treatment solutions (proposed radiation beam arrangements); and simultaneously displaying the calculated results for at least two of the treatment solutions for comparison by a treatment planner to enable the treatment planner to select a desired one of the treatment solutions.

Abstract: The present invention relates to a method for positioning a body (1) for radiation comprising the steps: inserting a position sensor (6) into the body (1); detecting the position of the sensor (6) relative to a point or volume (2) to be irradiated, and positioning the body (1) using signals sensed by the position sensor (6) so that the point or volume (2) to be irradiated is located in a specific site circumscribing an isocenter (3). It also relates to an apparatus for positioning a body (1) including a position sensor (6), which may be placed into the body (1); a controllable patient bench (9) for moving the body (1); a controller (8) which controls the controllable patient bench (9) for moving the body (1) depending on the signals sensed by the position sensor (6).

Abstract: A method for exact positioning of a patient for radiotherapy or radiosurgery comprising the following steps: a) pre-positioning the patient relative to a linear accelerator, b) producing at least one X-ray image of the patient or one of his/her body parts in the vicinity of the radiation treatment target, c) mapping the X-ray image, d) generating at least one reconstructed image from a three-dimensional set of patient scanning data corresponding to said X-ray image, especially isocentrically, e) superimposing the reconstructed image and the X-ray image, and detecting the positional error electronically or computer-controlled on the basis of specific landmarks in both images, and f) correcting the position of the patient on the basis of the detected positional error.