Feldkirchen-westerham, Germany
Feldkirchen-westerham, Germany
SEARCH FILTERS
Time filter
Source Type

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).


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.


A medical data processing method of determining anatomical structure subset data describing a subset of a graphical representation 9 of an anatomical structure of a patients body to be displayed simultaneously with a medical image of an anatomical body part 1, the method being constituted to be executed by a computer and comprising the following steps: a) acquiring predetermined anatomical structure representation data describing a graphical representation of the anatomical structure and its position in the patients body; b) acquiring anatomical body part image data describing an image of an anatomical body part 1 of the patient imaged by an optical imaging apparatus 2 for display by a display apparatus 3; c) acquiring optical parameter data describing an optical parameter WD serving as a basis for displaying the anatomical body part image data; d) determining, based on the anatomical structure representation data and the anatomical body part image data and the optical parameter data, anatomical structure subset data describing a subset 9 of the anatomical structure representation data, which subset describes graphical representation of a structure subset of the anatomical structure to be displayed simultaneously with the image of the anatomical body part 1.


Patent
BrainLAB | Date: 2017-03-22

The present invention relates to a method for determining the spatial position of objects, in particular medical objects, comprising the steps of: - acquiring first position data which comprise first position information describing the spatial position of an object (2) within a first co-ordinate system (A); - acquiring first transformation data which comprise first transformation information describing a transformation of the objects position from the first co-ordinate system (A) into a second co-ordinate system (B); - acquiring, on the basis of the first position data and the first transformation data, second position data which comprise second position information describing the spatial position of the object (2) within the second co-ordinate system (B); - acquiring second transformation data which comprise second transformation information describing a transformation of the objects position from the second co-ordinate system (B) into an inertial co-ordinate system (I); - determining, on the basis of the second position data and the second transformation data, inertial position data which comprise inertial position information describing the spatial position of the object (2) within the inertial co-ordinate system (I). The present invention also relates to a program which, when running on a computer (4), causes the computer (4) to perform the method steps of the method described above and/or to a program storage medium on which the program is stored and/or to a computer (4) comprising such a program storage medium and/or to a signal wave, in particular a digital signal wave, carrying information which represents the program. The present invention also relates to a tracking system for determining the spatial position of objects, in particular medical objects, comprising: - a sensor array (1 ) which is configured to determine the spatial position of at least one tracking marker attached to an object (2); - an inertial sensor array (3) which is attached to said sensor array; and - a computer (4).


Patent
BrainLAB | Date: 2017-03-22

The present invention relates to a medical data processing method of determining an image of an anatomical structure of a patients body, the method comprising the following steps which are constituted to be executed by a computer: a) acquiring (SI) atlas data describing an image-based model of at least part of a human body comprising the anatomical structure; b) acquiring (SI) patient medical image data describing a patient-specific medical image of the anatomical structure in the patients body, wherein the patient medical image data comprises in particular three-dimensional image information c) determining (S2), based on the atlas data and the patient medical image data, atlas- patient transformation data describing a transformation between the image-based model and the anatomical structure in the patients body; d) acquiring (S3, S4) medical indication data describing a medical indication which the anatomical structure is subject to; e) acquiring (S7) imaging parameter data describing at least one imaging parameter for generating, from the image-based model, an image of the anatomical structure in dependence on the medical indication data: f) determining (S8) indication image data describing an indication-specific image (1) of the anatomical structure in the patient, wherein the indication image data is determined (S8) based on the patient medical image data and the atlas-patient transformation data and the medical indication data and the imaging parameter data.


Patent
BrainLAB | Date: 2017-03-22

The present invention relates to a medical data processing method of determining an outcome quality of a medical procedure, the method comprising the following steps which are constituted to be executed by a computer: a) acquiring (S1) pre- completion medical image data describing an anatomical structure of a patients body in a state before the medical procedure has been completed on the anatomical structure, the anatomical structure being subject to the medical procedure; b) acquiring (S1) pre- completion non-image medical data describing a state and medical history of the patient before the medical procedure has been completed on the anatomical structure; c) acquiring (S2) medical procedure planning data describing a plan for execution of the medical procedure to be carried out on the anatomical structure; d) determining (S2), based on the pre-completion medical image data and the medical procedure planning data, procedure application describing an application of the medical procedure planning data to the pre-completion medical image data; e) acquiring (S5) post-completion non-image medical data describing a state and medical history of the patient after the medical procedure has been completed on the anatomical structure; f) acquiring (S5) post-completion medical image data describing the anatomical structure in a state after the medical procedure has been completed on the anatomical structure; g) determining (S6, S7), based on the procedure application data and the pre-completion non-image medical data and the post-completion non-image medical data and the post-completion medical image data, outcome quality data comprising a quality measure describing a quality of the outcome of the medical procedure, the quality measure for example being specific to the indication in question, properties of the patient and the executive medical entity.


A data processing method performed by a computer for supporting a medical brain mapping procedure, comprising the steps of receiving a microscope image of a patients cortex and superimposing stimulation response marks onto the microscope image, wherein a stimulation response mark indicates the patients response to an electrical stimulation of the cortex by a stimulation probe at a position associated with the stimulation response mark.


Patent
BrainLAB | Date: 2017-05-10

A data processing method and device for correlating the position of a radiation beam with the position of a target to be irradiated and contained in a structure underlying a repetitive motion comprising a plurality of successive motion cycles, the method/device comprising/performing the following steps which are constituted to be executed by a computer: a) acquiring first external position data, second external position data and third external position data describing the position of at least one external feature of said structure, for one or more sections of at least one first motion cycle occurring during a first period of time, for one or more sections of at least one second motion cycle occurring during a second period of time, and for one or more sections of at least one third motion cycle occurring during said second period of time, respectively; b) acquiring first target position data and second target position data describing the position of said target for at least one of said sections of said at least one first motion cycle, and for said sections of said at least one second motion cycle, respectively; c) determining, based on said first external position data and said first target position data, correlation model data describing a positional correlation of said external position and said target position; d) determining, based on said correlation model data and said second external position data, second predicted target position data describing a predicted position of said target for one or more sections of said at least one second motion cycle; e) determining, based on said second target position data and said second predicted target position data, primary verification data describing whether the position of said target for said sections of said at least one second motion cycles is different from said predicted position; f) acquiring, in case said primary verification data indicates that the position of said target is not different from the predicted position of said target, auxiliary second target position data and auxiliary third target position data describing the position of said target for one or more sections of said at least one second motion cycle, and of said at least one third motion cycle, respectively; g) determining, based on said first and/or said second external position data, said auxiliary second target position data and said third external position data, third predicted target position data describing a predicted position of said target for said sections of said at least one third motion cycle; h) determining, based on said auxiliary third target position data and said third predicted target position data, secondary verification data describing whether the position of said target for said sections of said at least one third motion cycle is different from said predicted position.


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.


Patent
BrainLAB | Date: 2017-08-23

A computer implemented method for performing fusion of 3D image data, which represent at least a part of a patients body, with two 2D images of the patients body with a known spatial relation between the viewing directions of the 2D images, comprising the steps of: -acquiring the 3D image data, -acquiring the two 2D images, -calculating two virtual images from the 3D image data, the two virtual images corresponding to the two 2D images, -classifying the two 2D images into a primary and a secondary image, -determining a primary alignment between the primary image and the corresponding virtual image such that they match, -calculating a spatial axis relative to the viewing directions of the two 2D images from the primary alignment and a predetermined point which is imaged in the virtual image which corresponds to the primary image, wherein the spatial axis is a line in space on which the predetermined point lies, and -performing fusion of the 3D image data with the two 2D images based on the calculated spatial axis in order to obtain a virtual position of the 3D image data in space.

Loading BrainLAB collaborators
Loading BrainLAB collaborators