Feldkirchen-westerham, Germany
Feldkirchen-westerham, Germany

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Patent
BrainLAB | Date: 2016-10-26

A multi-part medical marker (1) comprising a marker core consisting of at least two corresponding parts (2a, 2b) and comprising a detectable surface, wherein the surface is substantially formed from a detectable coating (4) which is applied to the surface (3) of the parts (2a, 2b) of the marker core (2). An apparatus for producing a medical marker comprising a marker core (2) and a detectable surface, comprises: a first feeding device (16) for providing the marker core (2); an application device (17) for applying a detectable layer to the surface (3) of the marker core (2); anda transport device (18) for transporting the marker core (2) within the apparatus


Patent
BrainLAB | Date: 2016-11-29

Provided is a method for controlling a surgical navigation system. A detection unit for detecting system control inputs made by a user is associated with a surgical navigation system, the navigation system is controlled in accordance with the control inputs, and user gestures are used as said control inputs. A gesture or a initiating user gesture defines a virtual volume surrounding the initiating gestures limits, and further predetermined gestures made in the virtual volume are recognized as a control input. Also provided is a control system for a surgical navigation system. The navigation system is associated with a detection unit for detecting system control inputs made by a user, the navigation system is controlled in accordance with the control inputs, and the detection unit includes a gesture detection system for detecting user gestures.


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: 2015-04-30

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.


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 system, in particular for image-guided surgery, comprising: at least two display devices; a position determinator for determining the relative position of the display devices; and an image generator for generating images, which are to be displayed by the display devices, in accordance with the determined relative position.


Patent
BrainLAB | Date: 2016-12-28

The invention relates to an agent delivery catheter, comprising a first hollow tube and a second hollow tube 2 which protrudes from a distal opening of the first hollow tube 1 and defines an agent delivery lumen 3 extending along the entire length of the catheter, wherein: the distal end of the first tube 1 is coupled to the second tube 2 to form an annular cavity 4 between the first tube 1 and the second tube 2, the annular cavity 4 being configured to accommodate a retractable stylet shaft 5; a ceramic member 6 which is disposed at the distal end of the first tube 1, in particular distally with respect to the distal opening of the first tube 1, encompasses the second tube 2 and couples the first tube 1 to the second tube 2, in particular via a third hollow tube 23 which encompasses the first tube 1 and the ceramic member 6; and a protective shrink-fit tube 7 is disposed radially on the outside of the ceramic member 6 and extends over at least the length of the ceramic member 6. Another aspect of the invention relates to an agent delivery system comprising such a catheter and a stylet which comprises a handle portion 15 and a ceramic shaft 5 which is configured to be accommodated within the annular cavity 4 of said catheter, wherein a shrink-fit tube 6 is disposed radially on the outside of the ceramic shaft 5 and in particular extends over at least the length of the ceramic shaft 5.


Patent
BrainLAB | Date: 2016-12-28

A data processing method for generating a compensation information for hacking or for determining the position and/or orientation of an object in space, the method comprising the following steps performed by a computer: a) acquiring a predetermined constraint information defining one or more relative or absolute positions and/or orientations of the object in space; b) acquiring position and/or orientation data of the object while the object is positioned or moved while fulfilling the predetermined constraint; and c) determining the compensation information based on the predetermined constraint information and the acquired position and/or orientation data of the object.


The invention relates to an instrument for use in computer guided surgery. The instrument includes a shaft and a reference element adapter, wherein the reference element adapter is directly couplable to the shaft and rotatable about the shaft. A selectively operable mechanical retainer provides retention of the reference element adapter to an instrument shaft adapting interface of the instrument shaft. The instrument also includes a reference element orientating mechanism arranged at an interface between the instrument shaft adapting interface and the reference element adaptor. The reference element orienting mechanism is capable of fixing at least one angular position of the reference element. The instrument also includes a grip piece interface on the instrument shaft, and a grip piece is selectively couplable to the grip piece interface.


A 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 (t_(min)tt_(max)) 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 the object; calculating an accumulated intensity value for points or areas on the map surface, the accumulated intensity being the sum of the intensities of all the rays which exhibit the predefined or constant initial intensity and are emitted from the volume or surface of the treatment volume and reach a respective point on the map surface preferably by following a straight line, wherein if the ray passes through a non-treatment volume or voxel, the intensity of the respective ray is reduced or attenuated by a factor which is determined by the individual feature or attenuation or transparency value of the respective non-treatment volume or voxel; and generating an intensity distribution on the map surface using the calculated accumulated intensities.

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