Abstract: Disclosed medical data processing method for planning an external ventricle drainage placement, wherein the method comprises executing, on at least one processor (3) of at least one computer (2), the following steps: a) patient image data describing at least one image of an anatomical structure of a patient is acquired (S1); b) atlas data describing a model of the anatomical structure is acquired (S2); c) mapping data describing a mapping of the patient image data to the atlas data is determined (S3); d) spatial relationship data is acquired (S4) which describes a predetermined spatial relationship between at least one potential trajectory for placing the external ventricle drainage in the anatomical structure on the one hand and a surface of the anatomical structure on the other hand; e) entry point data is determined (S5) which describes the position of an entry point (13) of the external ventricle drainage on the surface of the anatomical structure based on the mapping data and the spatial relationship dat

Abstract: A medical tracking method for tracking a spatial position of a medical instrument within a medical workspace including an anatomical structure of a patient. The method includes: acquiring, using a first camera targeted on the medical workspace, instrument position data describing a spatial position of the medical instrument with respect to a first camera; acquiring, using a second camera and at least one optical tracking marker that is adapted to be recognized by the second camera, camera position data describing a spatial position of the first camera with respect to the anatomical structure, determining, based on the instrument position data and the camera position data, tracking data describing the spatial position of the medical instrument with respect to the anatomical structure; and tracking the spatial position of the medical instrument within the medical workspace using the tracking data.

Abstract: 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 patient's cortex and superimposing stimulation response marks onto the microscope image, wherein a stimulation response mark indicates the patient's response to an electrical stimulation of the cortex by a stimulation probe at a position associated with the stimulation response mark.

Abstract: A medical tracking method for tracking a spatial position of a medical instrument within a medical workspace including an anatomical structure of a patient. The method includes: acquiring, using a first camera targeted on the medical workspace, instrument position data describing a spatial position of the medical instrument with respect to a first camera; acquiring, using a second camera and at least one optical tracking marker that is adapted to be recognized by the second camera, camera position data describing a spatial position of the first camera with respect to the anatomical structure; determining, based on the instrument position data and the camera position data, tracking data describing the spatial position of the medical instrument with respect to the anatomical structure; and tracking the spatial position of the medical instrument within the medical workspace using the tracking data.

Abstract: The present invention relates to an ultrasound calibration device comprising a body portion having at least one echogenic fiducial; a marker portion having at least one tracking marker which can be detected by a medical tracking system; and a hook-shaped mounting portion extending from the body portion. The present invention also relates to a method for calibrating an ultrasound probe, comprising the steps of filling a container with a fluid, in particular a physiologic salt solution; placing an ultrasound calibration device in accordance with the invention into the container; comparing, with the aid of a medical navigation system, a calculated position of at least one fiducial with a determined position of the at least one fiducial which is determined using a tracked ultrasound probe.

Abstract: Disclosed medical data processing method for planning an external ventricle drainage placement, wherein the method comprises executing, on at least one processor (3) of at least one computer (2), the following steps: a) patient image data describing at least one image of an anatomical structure of a patient is acquired (S1); b) atlas data describing a model of the anatomical structure is acquired (S2); c) mapping data describing a mapping of the patient image data to the atlas data is determined (S3); d) spatial relationship data is acquired (S4) which describes a predetermined spatial relationship between at least one potential trajectory for placing the external ventricle drainage in the anatomical structure on the one hand and a surface of the anatomical structure on the other hand; e) entry point data is determined (S5) which describes the position of an entry point (13) of the external ventricle drainage on the surface of the anatomical structure based on the mapping data and the spatial relationship dat

Abstract: The invention relates to a data processing method of determining a transformation for transforming medical image data into a positional reference system, the method being executed by a computer and comprising the following steps: a) acquiring, from a medical imaging apparatus (5), medical image data comprising medical image information describing a two-dimensional image of an anatomical body part (1); b) acquiring medical image selection data comprising medical image selection information describing a selection (4) from the medical image information; c) acquiring imaging apparatus characteristic data comprising imaging apparatus characteristic information describing an imaging characteristic of the medical imaging apparatus (5); d) determining, based on the medical image data, medical image selection data and imaging apparatus characteristic data, selection position data comprising selection position information describing a three-dimensional position of an anatomical structure (2) in the anatomical body part

Abstract: The invention relates to a data processing method of determining a positional transformation (T, M) for correcting the registration of an anatomical body part with a medical imaging apparatus, the method being executed by a computer and comprising the following steps: a) acquiring initial body part position data comprising initial body part position information describing an initial relative position (1) between the medical imaging apparatus and the anatomical body part; b) acquiring, from the medical imaging apparatus, body part medical image data comprising body part medical image information describing an image of the anatomical body part; c) acquiring, based on the body part medical imaging data, actual body part position data comprising actual body part position information describing an actual relative position (2, 4) between the anatomical body part and the medical imaging apparatus; d) determining, based on the actual body part position data and the initial body part position data, body part position

Abstract: A surgical drape includes an impervious section having absorbing properties, an incision section including an incise foil, and a transparent section that is sized such that it allows a user to visually observe, through the surgical drape for registration purposes, a substantial part of a patient that is covered by the surgical drape. A method of registering a patient's body part with a pre-acquired image dataset of the body part is provided including providing a surgical drape including the impervious, the incision, and the transparent sections, covering the patient's body part with the surgical drape so as to provide a sterile workplace separated from an unsterile area by the surgical drape, using the transparent section of the surgical drape to visually identify the patient's body part covered by the surgical drape, and approaching and registering the patient's body part with a registration instrument such as for example a pointer instrument.

Abstract: The present invention relates to an ultrasound calibration device comprising a body portion having at least one echogenic fiducial; a marker portion having at least one tracking marker which can be detected by a medical tracking system; and a hook-shaped mounting portion extending from the body portion. The present invention also relates to a method for calibrating an ultrasound probe, comprising the steps of filling a container with a fluid, in particular a physiologic salt solution; placing an ultrasound calibration device in accordance with the invention into the container; comparing, with the aid of a medical navigation system, a calculated position of at least one fiducial with a determined position of the at least one fiducial which is determined using a tracked ultrasound probe.

Abstract: 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 patient's cortex and superimposing stimulation response marks onto the microscope image, wherein a stimulation response mark indicates the patient's response to an electrical stimulation of the cortex by a stimulation probe at a position associated with the stimulation response mark.

Abstract: A reference structure for use with a medical navigation system, includes an imaging structure, and a plurality of artificial markers arranged at predetermined locations on said imaging structure. The artificial markers are detectable by the medical navigation system, wherein the artificial markers have a known relationship to the imaging structure.

Abstract: The invention relates to a data processing method of determining a transformation for transforming medical image data into a positional reference system, the method being executed by a computer and comprising the following steps: a) acquiring, from a medical imaging apparatus (5), medical image data comprising medical image information describing a two-dimensional image of an anatomical body part (1); b) acquiring medical image selection data comprising medical image selection information describing a selection (4) from the medical image information; c) acquiring imaging apparatus characteristic data comprising imaging apparatus characteristic information describing an imaging characteristic of the medical imaging apparatus (5); d) determining, based on the medical image data, medical image selection data and imaging apparatus characteristic data, selection position data comprising selection position information describing a three-dimensional position of an anatomical structure (2) in the anatomical body part

Abstract: A method of determining the position of an induction-susceptive device inside an anatomical body part, comprises the following steps: a) emitting, towards the anatomical body part and from an electromagnetic emitter device, an oscillating electromagnetic field having a predetermined first field strength; b) acquiring, by using an electromagnetic detector device, an electromagnetic detection signal describing a second field strength which corresponds to the field strength of the electromagnetic field in the proximity of the anatomical body part; c) determining, based on comparing the first field strength and the second field strength, whether the second field strength differs from the first field strength, and d) if the second field strength differs from the first field strength, issuing a corresponding position indicating signal from an indication device, which position indicating signal indicates the presence of the induction-susceptible device.

Abstract: The invention relates to a data processing method of determining a positional transformation (T, M) for correcting the registration of an anatomical body part with a medical imaging apparatus, the method being executed by a computer and comprising the following steps: a) acquiring initial body part position data comprising initial body part position information describing an initial relative position (1) between the medical imaging apparatus and the anatomical body part; b) acquiring, from the medical imaging apparatus, body part medical image data comprising body part medical image information describing an image of the anatomical body part; c) acquiring, based on the body part medical imaging data, actual body part position data comprising actual body part position information describing an actual relative position (2, 4) between the anatomical body part and the medical imaging apparatus; d) determining, based on the actual body part position data and the initial body part position data, body part position

Abstract: The invention relates to an intra-operative image presentation method, in which an image representation (30) of a branched body structure which has been graphically segmented from a medical image data set is presented on a display, in particular a monitor (17), wherein the viewing situation of a person looking at the display and any changes in said viewing situation are determined, and the image representation is modified accordingly by adapting the image representation (30) to the changes in the viewing situation.

Abstract: The present application relates to a method for registering two-dimensional image data, comprising the steps of: providing a registered three-dimensional image data set of an object under examination; providing a two-dimensional image data set of the object under examination which is to be registered; generating synthetic two-dimensional image data sets of the object under examination from the three-dimensional image data set, wherein the synthetic two-dimensional image data sets to be generated are parameterized with regard to parameters which describe the two-dimensional image data set to be registered; comparing the parameterized synthetic two-dimensional image data sets with the two-dimensional image data set to be registered, and finding the parameterized synthetic two-dimensional image data set having the greatest similarity to the two-dimensional image data set to be registered; on the basis of this, ascertaining the spatial relationship between the two-dimensional image data set to be registered an

Abstract: The present invention relates to a method for registering a two-dimensional image data set, generated using fan-shaped imaging rays, in the medical field, wherein the method comprises: processing the two-dimensional image data on the basis of a spatial transformation function which describes a spatial relative position between points which have been imaged using a fan-shaped imaging ray, and the imaging apparatus used for imaging; and processing the two-dimensional image data on the basis of an imaging transformation function which describes an imaging function of the imaging apparatus used for generating the two-dimensional image data set, which describes a spatial relationship between the actual spatial position of imaged points and their imaging location in a recording.

Abstract: The present invention relates to a method for registering a two-dimensional image data set, generated using fan-shaped imaging rays, in the medical field, wherein the method comprises: processing the two-dimensional image data on the basis of a spatial transformation function which describes a spatial relative position between points which have been imaged using a fan-shaped imaging ray, and the imaging apparatus used for imaging; and processing the two-dimensional image data on the basis of an imaging transformation function which describes an imaging function of the imaging apparatus used for generating the two-dimensional image data set, which describes a spatial relationship between the actual spatial position of imaged points and their imaging location in a recording.

Abstract: The present application relates to a method for registering two-dimensional image data, comprising the steps of: providing a registered three-dimensional image data set of an object under examination; providing a two-dimensional image data set of the object under examination which is to be registered; generating synthetic two-dimensional image data sets of the object under examination from the three-dimensional image data set, wherein the synthetic two-dimensional image data sets to be generated are parameterized with regard to parameters which describe the two-dimensional image data set to be registered; comparing the parameterized synthetic two-dimensional image data sets with the two-dimensional image data set to be registered, and finding the parameterized synthetic two-dimensional image data set having the greatest similarity to the two-dimensional image data set to be registered; on the basis of this, ascertaining the spatial relationship between the two-dimensional image data set to be registered an