Abstract: The present invention relates to a device (10) for determining the position of stents (34, 36) in an image of vasculature structure, the device (10) comprising: an input unit (12); a processing unit (14); and an output unit (16); wherein the input unit (12) is configured to receive a sequence of images (24) of a vasculature structure (38) comprising at least one vessel branch (44, 46); wherein the processing unit (14) is configured to: detect positions of at least two markers (26, 28, 30, 32) for identifying a stent position (50, 52) in at least one of the images (24); detect at least one path indicator (64, 66, 74, 76) for the at least one vessel branch (44, 46) in at least one of the images (24) of the vasculature structure (38) at least for vessel regions in which the positions of the markers (26, 28, 30, 32) are detected; associate the at least two markers (26, 28, 30, 32) to the at least one path indicator (64, 66, 74, 76) based on the detected positions of the markers (26, 28, 30, 32) and the location o

Abstract: An adaptive X-ray anti-scatter device for placement in a source-detector axis of an X-ray imager includes an anti-scatter filter having a source orientable surface and a detector orientable surface. The anti-scatter filter comprises a plurality of realignable slats that absorb incident X-rays and are separated by a plurality of interstitial portions. The device also includes a first actively deformable member comprising a first set of one or more actively deformable actuators disposed across a first region of the first actively deformable member. At least a portion of the first set is partially or fully recessed within the interstitial portions. At least one actuator of the first set is in contact with a corresponding realignable slat of the plurality of realignable slats and is configured to change the alignment of the corresponding realignable slat in relation to the source-detector axis.

Abstract: The present invention relates to object visualization. In order to provide a facilitated visualization of a subject's interior structure, an object visualization device (10) is provided comprising an image supply (12), a data processor (14) and an output (16). The image supply provides a 2D X-ray image of the object and also 3D image data of the object. The data processor registers the 3D image data to the 2D X-ray image and detects a viewing direction used for generating the 2D X-ray image. The data processor also determines a viewing direction for projecting the 3D image data to generate a matching view of the 3D image data based on the viewing direction used for generating the 2D X-ray image.

Abstract: The present invention relates to annotating a medical image. For an improved manual insertion of information in a medical image, it is provided to display an image (130) of a tubular structure; and to display a graphical representation (132) of at least one segmented portion of the tubular structure; wherein the graphical representation comprises at least one indicator line representing the portion's shape and/or extension; and wherein the graphical representation is displayed in combination with the image of the tubular structure; and to generate and display at least one marker (128) overlaid to the image of the tubular structure; wherein the marker is movable (134) along the graphical representation; and to position the marker at a location along the graphical representation to indicate a predetermined feature of the tubular structure.

Abstract: An adaptive X-ray anti-scatter device (20) for placement in the source-detector axis (22) of an X-ray imager (8) comprising:—an anti-scatter filter having a source orientable surface and a detector orientable surface, wherein the anti-scatter filter comprises a plurality of realignable slats (24) for absorbing incident X-rays, wherein the slats are separated by a plurality of interstitial portions (26); and—a first actively deformable member (26a) comprising a first set of one or more actively deformable actuators (28a, 28b) disposed across a first region of the first actively deformable member (26a), wherein one or more actively deformable actuators of the first set of one or more actively deformable actuators are configured to change the alignment of a corresponding of slat of the anti-scatter filter in relation to the source-detector axis, wherein at least a portion of each actuator of the first set of one or more actively deformable actuators is partially or fully recessed within the interstitial portions

Abstract: The present invention relates to guidance during examinations or interventional procedures. In order to facilitate information provision in a medical environment such as an operation room or cathlab, an augmented reality display device (10) for medical equipment is provided that comprises a data input unit (12), a processing unit (20) and a display unit (22). The data input unit is configured to receive displayed operation parameters (14) of at least one medical appliance. The data input unit is also configured to receive relative location information (16) of at least one medical appliance in relation to the display unit and a viewing direction information (18) of the user. The processing unit is configured to detect if at least one of the medical appliances is in the user's field of view based on the relative location information and the viewing direction information. The processing unit is further configured to generate display data based on the operation parameters of the detected medical appliance.

Abstract: In cardiac roadmapping, a “roadmap”, which is typically a representation of the vasculature of a patient obtained via previously acquired data from a CT scan, is overlaid on live intervention data, showing the position of an intervention device obtained using fluoroscopy. In this way, the intervention device may be tracked inside a realistic representation of the patient. The accurate registration of the fluoroscopic image to the roadmap data is an important step, otherwise the reported live position of the intervention device would not be shown at an accurate position inside the roadmap. Registration can be performed by the injection of contrast medium. In the case of cardiac roadmapping, the small vessel diameters mean that it is possible to register intervention devices directly. However, the behavior of intervention devices in larger vessels is difficult to predict, and so device-based registration is harder to achieve in such a context.

Abstract: The present invention relates to a device (10) for determining the position of stents (34, 36) in an image of vasculature structure, the device (10) comprising: an input unit (12); a processing unit (14); and an output unit (16); wherein the input unit (12) is configured to receive a sequence of images (24) of a vasculature structure (38) comprising at least one vessel branch (44, 46); wherein the processing unit (14) is configured to: detect positions of at least two markers (26, 28, 30, 32) for identifying a stent position (50, 52) in at least one of the images (24); detect at least one path indicator (64, 66, 74, 76) for the at least one vessel branch (44, 46) in at least one of the images (24) of the vasculature structure (38) at least for vessel regions in which the positions of the markers (26, 28, 30, 32) are detected; associate the at least two markers (26, 28, 30, 32) to the at least one path indicator (64, 66, 74, 76) based on the detected positions of the markers (26, 28, 30, 32) and the location o

Abstract: An imaging apparatus images a first object (10), like a tip of a catheter, disposed within a second object, such as a vascular structure of a person. A three-dimensional representation of the second object including a representation of a surface (23) of the second object and the position of the first object relative to the position of the second object are provided. A projection (22) of the first object onto the representation of the surface of the second object is determined and shown to a user like a physician on a display (18). The three-dimensional spatial relationship between the first object and the second object is thereby shown in a way that is very native for the user, i.e. a visualization can be provided, which allows the user to easily and accurately grasp the three-dimensional spatial relationship between the first object and the second object.

Abstract: The invention relates to an imaging device (10) for registration of different imaging modalities, an imaging system (1) for registration of different imaging modalities, a method for registration of different imaging modalities, a computer program element for controlling such device and a computer readable medium having stored such computer program element. The imaging system (1) for registration of different imaging modalities comprises a first imaging modality (2), a second imaging modality (3), and an imaging device (10) for registration of different imaging modalities. The imaging device (10) for registration of different imaging modalities comprises a model provision unit (11), a first image data provision unit (12), a processing unit (13), a second image data provision unit (14), and a registration unit (15). The model provision unit (11) provides a cavity model of a visceral cavity.

Abstract: Devices, systems, and methods for evaluating a physiological condition of a vessel are disclosed. In an embodiment, a medical system is disclosed. One embodiment of the medical system comprises a medical processing unit in communication with a first pressure sensor, a second pressure sensor, and a radiographic imaging source configured to obtain radiographic images of at least one intravascular instrument positioned within a body lumen. The medical processing unit is configured to: receive the radiographic images obtained by the radiographic imaging source; detect, using the radiographic images, when the first pressure sensor is in a pre-determined orientation with respect to the second pressure sensor; and automatically initiate normalization of the first pressure sensor and the second pressure sensor in response to detecting that the first pressure sensor is in the pre-determined orientation with respect to the second pressure sensor.

Abstract: A method for registration of medical images comprises: receiving a 2D X-ray image (20) acquired with a medical 2D imaging device (14) under a first view direction; filtering the 2D X-ray image (20), such that high frequency components of the 2D X-ray image are emphasized with respect to low frequency components of the 2D X-ray image; receiving a 3D image (16) acquired with a medical 3D imaging device (12); generating a 2D projection image (26) from the 3D image, wherein the 2D projection image is generated with a second view direction; overlaying the filtered 2D X-ray image and the 2D projection image; providing functionality for changing the second view direction, such that the 2D projection image is registered with the filtered 2D X-ray image.

Abstract: In cardiac roadmapping, a “roadmap”, which is typically a representation of the vasculature of a patient obtained via previously acquired data from a CT scan, is overlaid on live intervention data, showing the position of an intervention device obtained using fluoroscopy. In this way, the intervention device may be tracked inside a realistic representation of the patient. The accurate registration of the fluoroscopic image to the roadmap data is an important step, otherwise the reported live position of the intervention device would not be shown at an accurate position inside the roadmap. Registration can be performed by the injection of contrast medium. In the case of cardiac roadmapping, the small vessel diameters mean that it is possible to register intervention devices directly. However, the behavior of intervention devices in larger vessels is difficult to predict, and so device-based registration is harder to achieve in such a context.

Abstract: The invention relates to an imaging device (10) for registration of different imaging modalities, an imaging system (1) for registration of different imaging modalities, a method for registration of different imaging modalities, a computer program element for controlling such device and a computer readable medium having stored such computer program element. The imaging system (1) for registration of different imaging modalities comprises a first imaging modality (2), a second imaging modality (3), and an imaging device (10) for registration of different imaging modalities. The imaging device (10) for registration of different imaging modalities comprises a model provision unit (11), a first image data provision unit (12), a processing unit (13), a second image data provision unit (14), and a registration unit (15). The model provision unit (11) provides a cavity model of a visceral cavity. The first showing a region of interest of a patient by the first imaging modality (2).

Abstract: The invention relates to an imaging apparatus for imaging a first object (10) like a tip of a catheter within a second object being, for instance, a vascular structure of a person. A three-dimensional representation of the second object including a representation of a surface (23) of the second object and the position of the first object relative to the position of the second object are provided, and a projection (22) of the first object onto the representation of the surface of the second object is determined and shown to a user like a physician on a display. The three-dimensional spatial relationship between the first object and the second object is thereby shown in a way that is very native for the user, i.e. a visualization can be provided, which allows the user to easily and accurately grasp the three-dimensional spatial relationship between the first object and the second object.

Abstract: A method for registration of medical images comprises: receiving a 2D X-ray image (20) acquired with a medical 2D imaging device (14) under a first view direction; filtering the 2D X-ray image (20), such that high frequency components of the 2D X-ray image are emphasized with respect to low frequency components of the 2D X-ray image; receiving a 3D image (16) acquired with a medical 3D imaging device (12); generating a 2D projection image (26) from the 3D image, wherein the 2D projection image is generated with a second view direction; overlaying the filtered 2D X-ray image and the 2D projection image; providing functionality for changing the second view direction, such that the 2D projection image is registered with the filtered 2D X-ray image.

Abstract: The invention relates to generating a composite medical image combining at least first and second image data. Particularly, the invention relates to a medical imaging system for generating a composite medical view or image combining at least first and second image data as well as a method for generating a composite medical image.

Abstract: The present invention relates to annotating a medical image. For an improved manual insertion of information in a medical image, it is provided to display an image (130) of a tubular structure; and to display a graphical representation (132) of at least one segmented portion of the tubular structure; wherein the graphical representation comprises at least one indicator line representing the portion's shape and/or extension; and wherein the graphical representation is displayed in combination with the image of the tubular structure; and to generate and display at least one marker (128) overlaid to the image of the tubular structure; wherein the marker is movable (134) along the graphical representation; and to position the marker at a location along the graphical representation to indicate a predetermined feature of the tubular structure.

Abstract: The invention relates to generating a composite medical image combining at least first and second image data. Particularly, the invention relates to a medical imaging system for generating a composite medical view or image combining at least first and second image data as well as a method for generating a composite medical image.