Feldkirchen-westerham, Germany
Feldkirchen-westerham, Germany

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A method of generating a virtual collision map for use in optimizing planning of a radiation treatment by a radiation beam to be delivered from an associated treatment device on a gantry to a patient target volume (PTV) within a treatment volume of an associated patient disposed on a couch operatively coupled with the associated treatment device, the method comprising:acquiring segmented data, the segmented data being representative of a characteristic of the PTV, and representative of a non-treatment volume comprising an organ at risk (OAR) of the associated patient;modeling the PTV of the segmented data as a source of simulated rays projecting outwardly relative to the PTV and having a predetermined initial value;modeling the OAR of the segmented data as having an assigned ray attenuation feature to reduce an intensity of a selected one or more of the simulated rays passing through the OAR;defining a virtual map surface surrounding the PTV and the OAR;calculating an accumulated intensity value for points on the virtual map surface having the simulated rays passing through the points, the accumulated intensity value of each point being i) the predetermined initial value for areas of the virtual map surface having simulated rays passing directly from the PTV to the virtual map surface, and ii) the predetermined initial value attenuated by the assigned ray attenuation feature of the OAR for areas of the virtual map surface having the OAR disposed between the PTV and the virtual map surface;generating an intensity distribution on the virtual map surface in accordance with the calculated accumulated intensity values; anddetermining, in accordance with the intensity distribution, the virtual collision map defining a relationship between the associated patient disposed on the couch and plural positions of the treatment device on the gantry relative to the associated patient for delivering the radiation beam to the PTV.


Patent
BrainLAB | Date: 2017-01-04

The present invention relates to a medical data processing method of determining the representation of an anatomical body part (2) of a patient (1) in a sequence of medical images, the anatomical body part (2) being subject to a vital movement of the patient (1), the method being constituted to be executed by a computer and comprising the following steps; e) acquiring advance medical image data comprising a time-related advance medical image comprising a representation of the anatomical body part (2) in a specific movement phase; f) acquiring current medical image data describing a sequence of current medical images, wherein the sequence comprises a specific current medical image comprising a representation of the anatomical body part (2) in the specific movement phase, and a tracking current medical image which is different from the specific current medical image and comprises a representation of the anatomical body part (2) in a tracking movement phase which is different from the specific movement phase; g) determining, based on the advance medical image data and the current medical image data, specific image subset data describing a specific image subset of the specific current medical image, the specific image subset comprising the representation of the anatomical body part (2); h) determining, based on the current medical image data and the image subset data, subset tracking data describing a tracked image subset in the tracking current medical image, the tracked image subset comprising the representation of the anatomical body part (2).


Patent
BrainLAB | Date: 2017-02-13

Disclosed is a computer-implemented method for determining a coverage of a target anatomical structure by an electric stimulation field, the method comprising executing, on at least one processor of at least one computer, steps of:


Patent
BrainLAB | Date: 2017-03-06

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: .cndot. providing treatment data which comprise data on a position of the treatment body part; .cndot. 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; .cndot. providing an arrangement of the beam positions on the basis of the treatment data which arrangement fulfils the condition data; .cndot. 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 controlling an emission of the treatment beam from the beam source, the determined control data being constituted to change the beam positions to follow the provided arrangement of the beam positions and to cause continuous emission of the treatment beam during a continuous change of the beam positions while the beam positions follow at least a part of the arrangement.


A medical data processing method for supporting determination of medical image data describing a spatial distribution of body tissue which is the subject of a medical procedure, the method comprising the following steps which are constituted to be executed by a computer: a) acquiring outcome atlas data describing a general probability that a specific anatomical structure can be treated successfully by means of the medical procedure, the general probability having been determined based on a statistical analysis of medical image data and/or treatment effect simulations conducted on said medical image data generated from a general population of human bodies; b) acquiring general population data describing at least one statistical feature of each member of the general population; c) acquiring patient definition data describing at least one statistical feature of a patient who shall become the subject of the medical procedure; d) determining, based on the outcome atlas data and the general population data and the patient definition data, adapted population data describing an adapted population of human bodies taken from the general population, wherein the adapted population is to be used as a basis for generating adapted outcome atlas data describing an adapted probability that the specific anatomical structure can be treated successfully by means of the medical procedure, which adapted probability is determined based on the adapted population.


Patent
BrainLAB | Date: 2017-07-19

The present invention relates to a guiding tube for stimulation leads, comprising a longitudinal, dimensionally stable tubular body enclosing an inner channel adapted to receive a stimulation lead, wherein at least one section of an otherwise electrically insulated inner surface of the tubular body has electroconductive properties. The present invention further relates to a corresponding stimulation lead placing system comprising such guiding tube, and to a corresponding computer program for placing a stimulation lead, utilizing such guiding tube.


Patent
BrainLAB | Date: 2017-07-19

Disclosed is a computer-implemented medical data processing method for determining a coverage of a target anatomical structure by an electric stimulation field (3), the method comprising executing, on at least one processor of at least one computer, steps of:a) acquiring (S1), at the at least one processor, patient image data describing a medical image of the anatomical body part (2) of a patient, wherein the anatomical body part (2) includes the target anatomical structureb) acquiring (S2), at the at least one processor, atlas data describing a model of the anatomical body part (2) and information about the position of a model target structure in the model of the anatomical body part (2), the model target structure corresponding to the target anatomical structure;c) determining (S3), by the at least one processor and based on the patient image data and the atlas data, target structure position data describing a position of the target anatomical structure in the medical image of the anatomical body part (2) of the patient;d) acquiring (S4), at the at least one processor, electrode position data describing a relative position between a position of an electrode (1) and a position of the anatomical body part (2) of the patient as it is described by the patient image data;e) acquiring (S5), at the at least one processor, stimulation field data describing an electric stimulation field (3) around the position of the electrode (1);f) determining (S6), by the at least one processor and based on the patient image data and the atlas data and the electrode position data and the stimulation field data, target coverage data describing a coverage of the target anatomical structure by the electric stimulation field (3).


Patent
BrainLAB | Date: 2017-07-19

The present invention relates to an immobilization mask comprising: - a first layer (1) comprising a low temperature thermoplastic material, the first layer (1) having a first side and a second side; - at least one dimensionally stable attachment section (3) connected to the first layer (1); - at least one deformable molding member (4) connected to the first side or to the second side of the first layer (1). The present invention also relates to a method of immobilizing a patients body part, comprising the following steps: - applying an immobilization mask comprising a first layer (1) having a low temperature thermoplastic material and at least one dimensionally stable attachment section (3) connected to the first layer (1), wherein at least one deformable molding member (4) is placed between the first layer (1) and the patients head; - molding the first layer (1) tightly to the patients head and to the molding member (4).


Patent
BrainLAB | Date: 2017-02-09

A medical image data processing method for determining a set of medical image data to be displayed, the data processing method being constituted to be executed by a computer and comprising the following steps: acquiring medical image data comprising three-dimensional medical image information describing an anatomical structure, and displaying the medical image information; acquiring navigation display feature data comprising navigation display feature information describing at least one graphical navigation feature; displaying the navigation display information simultaneously with the medical image information; acquiring viewing direction data comprising viewing direction information describing a spatial relationship of a viewing direction of a user relative to the position of the at least one graphical navigation feature; determining, based on the viewing direction data, image information subset data comprising image data subset information describing a subset of the medical image information to be selected for display.


1. A medical data processing method of determining information describing the probable position of a neural fibre in a patients brain, the method comprising the following steps which are constituted to be executed by a computer: a) acquiring patient-specific medical image data describing the brain of the patient; b) acquiring atlas data defining an image-based model of a human brain; c) determining, based on the patient-specific medical image data and the atlas data, seed region data describing seed regions (A, B) in the patient-specific medical image data in which the ends of neural fibres of the patients brain may be located; d) determining, based on the patient-specific medical image data and the seed region data, neural fibre tract data describing a plurality of potential tracts (T1, T2, T3) which a specific neural fibre may take through the patients brain; e) determining, based on the atlas data and the neural fibre tract data, a figure of merit for each one of the potential tracts (T1, T2, T3).

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