Abstract: A malleolar registration clamp comprising a reference unit and a receiving portion for receiving the malleolus, wherein the receiving portion is designed to receive at least part of the malleolus in a defined position relative to the receiving portion, and the position of the reference unit relative to the receiving portion is defined.

Abstract: A system and method for graphically depicting a desired region for a treatment instrument with respect to a patient is disclosed. In performing the method, different types of electrophysiological data of the patient are obtained. The different types of electrophysiological data are combined to provide a graphical depiction that indicates the desired region for the treatment instrument.

Abstract: The present invention relates to a method for generating a complete medical image data set from an incomplete image data set, comprising the method steps of: providing a first image data set which represents an image of a first region of a body, including at least a part of the surface of the body, at a first point in time; providing a second, incomplete image data set which represents an image of a second region of the body at a second point in time, wherein the first region and the second region overlap; providing a third data set which represents the contour of the body in the form of points on the surface of the body, substantially at the second point in time; adapting the first image data set to the second image data set by taking into account the third data set; and accepting the adapted first image data set as a complete image data set.

Abstract: An adaptor for receiving a navigated structure, wherein the navigated structure is at least a part of a medical object which carries an object reference, and for being connected to a registration tool in order to register the navigated structure in a medical navigation system, the adaptor comprising at least two adaptor parts which, in an assembled state, form a structure receiving recess in the shape of the navigated structure and an adaptor coupling part for connecting the adaptor to the registration tool in a predetermined relative position.

Abstract: A data processing method, performed by a computer, for determining a leg length difference and a leg offset difference of a patient's leg including a femur connected to a pelvis, comprising the steps of: —determining a first landmark vector between a femoral landmark and a second landmark at a first point in time; —determining a second landmark vector between the femoral landmark and the second landmark at a second point in time which is later than the first point in time; —calculating an orthogonal projection of the first landmark vector into a sagittal plane and using the direction of the orthogonal projection of the first landmark vector into the sagittal plane as a leg length direction; —calculating a direction which is perpendicular to the sagittal plane and using this direction as a leg offset direction; and —calculating the leg length difference in the leg length direction and the leg offset difference in the leg offset direction from the first landmark vector and the second landmark vector.

Abstract: A method for preparing the reconstruction of a damaged bone structure using an implant, comprising the following steps which are carried out by a computer (2): a) performing atlas segmentation on a structure dataset which represent the structure to be reconstructed, and determining healthy objects and defective objects within the damaged structure; b) determining a target structure by modelling replacements for the defective objects within the damaged structure; c) selecting an implant on the basis of the target structure, and providing a shape dataset which represents the shape of the implant; d) positioning the selected implant in order to find the optimum implant position; e) determining whether or not the selected implant is suitable, and returning to step c) if the implant is determined to not be suitable; and f) exporting the suitable implant to a medical navigation process.

Abstract: The invention relates to a medical image registration method in which an actual patient's body or portion of a patient's body (22) is positionally registered to a patient image created using a medical body-imaging technique such as MR, CT or x-ray imaging, wherein in a medical navigation system, the actual spatial position of at least a part of the body or body portion (22) is assigned to a respective position in the image of said body or body portion (22), wherein the part of the body or body portion (22) comprises a registration area in the form of the surface of a substantially rigid body structure, in particular an inner structure, made of bone or cartilage. The invention also relates to a medical image registration device which comprises a surface scanner (15) for scanning a registration area comprising the surface of a substantially rigid body structure, in particular an inner structure, made of bone or cartilage.

Abstract: A method for planning an infusion into hepatic tissue into a patient includes: obtaining anatomical and/or physiological patient data of the patient's liver or a region of the liver; determining at least one patient parameter from the patient data; planning the infusion using the anatomical patient data, physiological patient data, and/or at least one patient parameter, wherein planning includes determining how an administered substance is distributed in the tissue and/or how the administered substance influences physiological properties of the tissue; and determining a distribution and/or effectiveness of a therapeutic agent administered with the substance or after the substance.

Abstract: A medical holder device to which a flexible medical tooltip comprising an optical fibre can exchangeably be attached, the medical holder device comprising an optical fibre connector for receiving the proximal end of the optical fibre, a light source adapted to emit light into the optical fibre, a light receiver adapted to receive light reflected at the distal end of the optical fibre and to output a corresponding output signal and a processing unit adapted to receive the output signal from the light receiver and to calculate a bending of the optical fibre.

Abstract: The present invention relates to a determination method that enables the position of a body part subject to vital movement to be determined, wherein the body part is to be irradiated. A region of an analytical image is determined, wherein the region represents a body part subject to vital movement, in particular a tumor in an anatomical body. A change in position from one analytical image to the next is performed that reflects the vital movement, wherein the body parts subject to vital movement are parts of the body that are to be irradiated or are not to be irradiated and that move as a result of vital functions such as respiration and/or heartbeat even when the anatomical body is otherwise kept deliberately at rest.

Abstract: The present invention relates to a method for segmenting a three-dimensional image data set, comprising the steps of: a) providing a three-dimensional image data set of a body structure, which is to be segmented, and a generic model of the body structure; b) generating synthetic two-dimensional image data sets on the basis of the three-dimensional image data set of the body structure provided in a); and c) pre-positioning the generic model in relation to the three-dimensional image data set of the body structure provided in a); and e) generating a three-dimensional model of the body structure by fitting the generic model to the synthetic two-dimensional image data sets of the body structure, generated in step b).

Abstract: A data processing method for calculating the contact position of a medical ultrasound transceiver on the head of a patient, comprising the steps of: a) acquiring ROI data which represent a region of interest (ROI) corresponding to at least a part of a vessel in a vascular structure; b) acquiring contact region data which represent a contact region for the ultrasound transceiver on the head, wherein the contact region corresponds to one or more acoustic windows; c) determining at least one target point in the region of interest; d) determining at least two entry points on the contact region; e) calculating a set of lines which comprises the lines between the two points of each respective possible pair consisting of one entry point and one target point; f) eliminating lines which pass through a bony structure other than the bone immediately beneath the contact region; g) calculating a score for each of the remaining lines; and h) selecting the entry point of the line with the highest score as the contact positi

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 present invention relates to method for generating planning data or control data for a radiation treatment, comprising the following steps: acquiring segmented data of an object which contains a treatment volume and a non-treatment volume; modelling at least some or all of the volume or surface of the treatment volume as a source of light or rays exhibiting a predefined or constant initial intensity; modelling the non-treatment volume as comprising volumetric elements or voxels which each exhibit an individually assigned feature or attenuation or transparency value (tmin?t?tmax) for the light or rays which feature is assigned to the light or ray or which attenuation or transparency maintains or reduces the intensity of the light or ray as it passes through the respective volumetric element or voxel, wherein the feature or attenuation or transparency value is individually assigned to each volumetric element or voxel of the non-treatment volume; defining a map surface which surrounds the treatment volume or

Abstract: A medical image display system includes an image storage and image processing device for storing, processing and outputting image data relating to a patient's body and/or additional image data. The system also includes a portable laser projection device that projects the image data and/or additional image data onto a projection location.

Abstract: A data processing method for determining rotation by a marker device 1 of a medical tracking system 10 about its mount 3, comprising the steps of: acquiring a first marker device position dataset which represents the position of the marker device 1 before a movement of the marker device 1; acquiring a second marker device position dataset which represents the position of the marker device 1 after a movement of the marker device 1; calculating a marker device displacement dataset, which represents the displacement of the marker device 1, from the first and second marker device position datasets; calculating at least one axis of rotation 6, 9 of the marker device displacement dataset; and determining whether or not the marker device 1 is rotated about its mount 3 from the position of the at least one axis of rotation 6, 9 relative to the marker device 1.

Abstract: The present invention relates to a data processing method of determining a distribution of isolines to be used for displaying a radiation dose distribution in tissue of a patient, the steps of the method being executed by a computer and comprising: d) acquiring dose distribution data comprising dose distribution information describing a radiation dose distribution in an anatomical body part; e) acquiring display data comprising display information describing a predetermined display mode to be applied for displaying the dose distribution information; f) determining, based on the dose distribution data and the display data, isodose data comprising isodose information describing a distribution of is isolines to be used for displaying the dose distribution information.

Abstract: The present invention relates to a medical method of managing a cerebrovascular insult, the method comprising the following steps in this order: a) placing a patient on a patient support unit; b) positioning a mobile tomographic imaging system in a predetermined position relative to the patient support unit with the patient placed on the patient support unit; c) imaging at least part of the patient's brain using an imaging unit of the tomographic imaging system, the imaging comprising in particular generating an image describing the functioning of the patient's blood vessel system; d) determining, in dependence on the result of the imaging, whether the patient support unit should be rotated relative to the tomographic imaging system with the patient placed on the patient support unit so that the patient is free of the imaging unit in order to conduct a medical intervention on the patient's blood vessel system, or whether the patient support unit may remain in its position relative to the tomographic imagi

Abstract: The present invention relates to a positioning device (1) for a medical field generator (2), comprising:—a base member (3) which comprises at least one contacting section (3a) and is configured to contact the upper surface of an operating table;—an adaptor (4) which is connected to the base member (3) and configured to support the field generator (2); and—fixing means (5) which allow the positioning device (1) to be fixed to an operating table, wherein the adaptor (4) is configured to prevent the field generator (2) from being positioned at less than a predetermined distance from the operating table.

Abstract: The present invention relates to a medical data processing method of transforming a representation of an anatomical structure (1) of a patient in a first imaging modality into a representation of the anatomical structure (1?) in a second, other imaging modality, the method being constituted to be executed by a computer and comprising the following steps: a) acquiring (S1) first modality image data describing the first modality medical image containing the representation of the anatomical structure (1) in the first imaging modality; b) acquiring (S1) atlas data describing a first modality atlas image describing a general structure of the anatomical structure (1) in the first imaging modality, the atlas data containing information about the representation of the general structure in the second imaging modality; c) determining (S3), based on the first modality image data and the atlas data, a first matching transformation between the first modality medical image and the first modality atlas image; d) determining