Abstract: A data processing method for determining six parameters, corresponding to six degrees of freedom, of a contact position of a joint which connects two bones, comprising the steps of acquiring a 3D model of each bone, acquiring four of the six parameters as given parameters, selecting initial values for the two remaining parameters and varying the two remaining parameters virtually in order to achieve a virtual relative position between the two 3D models such that they are in contact with each other.

Abstract: A method for planning an infusion of a medical liquid by an infusion apparatus comprising an infusion device, wherein the method comprises the steps of: acquiring planning scan data which represent a medical image of at least a body region (3) of a patient and are obtained by a planning scan before the infusion device is positioned; determining a planned device position from the planning scan data; acquiring verification scan data which represent a medical image of the region of the patient after the infusion device has been positioned; determining a source volume of the liquid from the verification scan data; and determining infusion parameters from the verification scan data and the source volume.

Abstract: The invention is directed to a method for controlling a process of monitoring the position of at least a part of a patient's body (1) during a radiation treatment, the method comprising the following steps: a) providing an energy value which is dependent on the radiation energy applied to the patient's body (1); b) controlling the time at which the monitoring process is performed, in accordance with the energy value.

Abstract: A data processing method for determining a matching transformation for matching a set of one or more images of an anatomical body structure of a patient, referred to as a patient image set, and a set of one or more images of a general anatomical structure, referred to as an atlas image set, wherein the general anatomical structure comprises a plurality of anatomical elements referred to as atlas elements, and each patient image is associated with one of a plurality of different parameter sets, wherein the parameter sets comprise one or more parameters which obtain when the patient images are generated, and the parameters influence representations of anatomical elements in the patient images, the method comprising the following steps performed by a computer: acquiring atlas data (S110, S120), comprising the steps of acquiring atlas spatial information (S110) which contains spatial information on the general anatomical structure, and acquiring element representation information (S120) which describes a pluralit

Abstract: A device and method for determining a position of a medical device or part of a patient's body uses first and second position detection devices to obtain first and second positions, respectively, of the medical device or part of the patient's body, wherein the first position detection device is separate from the second position detection device. A first priority is assigned to the first position and a second priority is assigned to the second position, wherein the first and second priority are based on at least one input variable, and the first and second priority define a first and second weight factor to be applied to the respective first and second position. The position of the medical device or part of the patient's body is determined from the combination of the first position and the first weight factor, and the second position and the second weight factor.

Abstract: A medical tracking system includes a localization system operative to spatially localize medical instruments; a computer operative to assign absolute and/or relative positions of said instruments in a coordinate system; and at least one localizable gamma camera operative to detect gamma radiation emitted from a tracer material.

Abstract: The invention relates to a method for determining the position of an object moving within a body, wherein the body is connected to markers, a movement signal is determined based on the measured movement of the markers, images are taken from the object using a camera or detector, wherein the camera or detector is moved with respect to the object, it is determined from which direction or range of angles or segment the most images corresponding to a predefined cycle of the movement signal are taken, and using at least some or all of the images of the segment containing the most images for a specified movement cycle, an image of the object is reconstructed.

Abstract: A medical imaging processing method includes: using an imaging method to acquire at least first and second data sets of a region of interest of a patient's body, with at least one image acquisition parameter being changed so that first and second data sets yield different contrast levels relating to different substance and/or tissue types, and wherein the at least one acquisition parameter used to obtain the first data set is selected to enhance the contrast between one of the substance and/or tissue types relative to other substance and/or tissue types, and the at least one acquisition parameter used to obtain the second data set is selected to enhance the contrast between a different one of the substance and/or tissue types relative other substance and/or tissue types, thereby to optimize the contrast between at least three different substance and/or tissue types; and processing the two data sets to identify the different tissue types and/or boundaries therebetween.

Abstract: The present invention relates to a method for planning the positioning of a ball joint prosthesis, in particular a hip joint prosthesis, wherein the prosthesis includes a stem and a cup and the method comprises the following steps: —determining the position of at least one point lying on the rim of the joint socket, in particular the position of at least two points lying in an anterior region of the acetabulum; —defining a requirement for the position and/or orientation of the cup on the basis of the determined positions of the at least one point. The present invention also relates to a method for optimizing the positioning of a ball joint prosthesis, in particular a hip joint prosthesis, wherein the prosthesis includes a stem and a cup and the method comprises the following steps: —defining at least one requirement for the position and/or orientation of the cup; —calculating an optimum position and/or orientation of the cup on the basis of all the defined requirements being fulfilled.

Abstract: A device for fastening a marker device to a bone, comprising a fixing element including a mounting for the marker device, comprising a spring designed to contact an abutment for exerting a force between the abutment and the fixing element in the direction of the bone.

Abstract: The present invention relates to a method for processing image data comprising image information about a body region of a patient, the method being at least partly executed by an electronic data processing device and comprising the following steps: d) providing the image data; e) assigning, to elements of the image information, a predetermined probability for the image information contained in the respective element representing a predetermined tissue class, wherein the predetermined probability is provided independently of information about at least part of a body which is different from the body of the patient; f) determining, on the basis of the predetermined probability and for a subset of the image information comprising a plurality of the elements, an element-specific probability for individual elements of the subset representing an element-specific tissue class.

Abstract: The present invention is directed to a data processing method for determining a treatment plan for radiation therapy treatment of at least two spatially separate targets by means of a treatment device constituted to treat the at least two targets by means of one or more sub-beams during a treatment time, the one or more sub-beams constituting at least one treatment beam which is to pass through the at least two targets in accordance with a treatment plan during the treatment time, the treatment device being further constituted to allow for simultaneous treatment of the at least two targets by at least two of the sub-beams at least during a time interval during the treatment time.

Abstract: A data processing method of determining the position, in particular location and/or orientation, of a medical device relative to a multitactic detection device for detecting the position of the medical device, the data processing method being executed by a computer and comprising the following steps: a) acquiring medical device position data comprising medical device position information describing a position of the medical device relative to a detection surface in which the detection device is located; b) acquiring detection device geometry data comprising detection device geometry information describing a geometry of the detection device; c) acquiring detection device geometry uncertainty data comprising detection device geometry uncertainty information describing a detection device geometry uncertainty associated with the geometry of the detection device described by the detection device geometry information, wherein the detection device geometry uncertainty is defined relative to an uncertainty surface

Abstract: A method for placing a pelvic implant including a cup and a femoral stem includes planning at least one of a location of the cup within a pelvis and a location of the stem within a femur such that a combined anteversion between a predetermined cup component and a predetermined femoral stem component satisfies a predetermined combined anteversion.

Abstract: The invention relates to a medical tracking marker (12) for localizing or tracking an object (10) by means of a medical tracking system (30), said marker comprising a first part (1) which is to be fixed on the object (10), and a second part (2) which is to be connected to the first part (1), wherein the first and second parts (1, 2) comprise interconnecting elements (4, 6) which are adapted to provide a positionally determined connection between the first part (1) and the second part (2) while the first part is located under a surgical drape (20) and the second part is located above said surgical drape (20), with the drape (20) placed between the two parts (1, 2).

Abstract: The present invention relates to a method for determining the region of the body in which an anatomical part of the body is situated, said method including the following steps: anatomical point data is provided which includes information concerning a spatial pattern of positions of patient landmarks of a part of a patient's body which corresponds to the anatomical part of the body; landmark data is provided which includes information concerning a spatial pattern of positions of model landmarks of a model of the anatomical part of a patient's body; wherein, assuming that the patient landmarks represent the same landmarks as the model landmarks, the region of the body in which the part of the patient's body is situated is determined on the basis of the landmark data and the anatomical point data.

Abstract: The invention relates to a system for controlling and/or operating a medical device (30) associated with a display (20; 50) on which medical images (24) and/or control and/or operating elements (21, 22, 25) are displayed, wherein the system comprises: —a light pointer (10; 40) which projects a delimited light cursor (14; 44); —a light detection device which is associated with the display and comprises a sensor (23) for determining the presence and location of the light cursor (14; 44) projected by the light pointer (10; 40); and—a converter (26) which converts the captured presence and location information into control and/or operating commands for the medical device.

Abstract: The present invention relates to a method for tracking image sections which represent indicator body parts of a body in a process sequence of images, wherein changes in the position of the indicator body parts are used as an indicator for changes in the position of a treatment body part of the body which is to be treated using a treatment beam, said method comprising the following steps: providing advance image data which describe an advance sequence of images representing a result of an advance analysis of the body; providing process image data which describe the process sequence of images, wherein the process sequence of images represents a result of a process analysis of the body which is performed after the advance analysis; determining, on the basis of the advance image data, sub-images which undergo similar changes in position in the advance sequence; extracting, on the basis of the process image data and the determined sub-images, image sections from the images of the process sequence which have an ima

Abstract: The present invention relates to a virtual machine (VM) for processing digital data, in particular medical data, by executing a digital data processing application program, in particular a medical data processing application program (MeDPAP), the virtual machine (VM) being a simulation of a computer, a) the virtual machine (VM) comprising a volatile memory (ViMStor) configured to comprise a storage space for temporary data (TEMP) for temporarily storing the digital data; b) the virtual machine (VM) being configured to be accessed by any virtual machine user activated on a virtual machine user list, wherein any activated maintenance virtual machine user is denied any permission regarding the storage space for temporary data (TEMP), wherein denying any permissions is performed by logging into the virtual machine (VM) as an administrator and setting corresponding options; c) wherein any administrator has been deactivated on the virtual machine user list, wherein deactivating any administrator has been performed

Abstract: An apparatus and method for positioning a guide tube fixation device at a spinal structure of a patient are provided. The method includes attaching an attachment element to the spinal structure, attaching a guide tube to the attachment element, wherein said guide tube is calibrated prior to attachment, and navigating a part of the guide tube to a predetermined location relative to a target region of the patient. The apparatus includes an attachment device for attaching to the spinal structure, a joint attached to the attachment device, and a guide tube holding device attached to the joint and operable to hold and/or guide a guide tube, said guide tube configured to guide a cannula, needle and/or fluid to a desired site or location.