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: Various embodiments of the present disclosure encompass a visual image sequence controller (40) for controlling an augmentation of a visual imaging sequence acquisition of an interventional imaging sequence in a rendered augmented view of an image-guided intervention by an augmented reality device (30). The visual imaging sequence acquisition (42) includes, for each inter-ventional image of the interventional imaging sequence (23), an interactive virtual indicator of a sequence number of a corresponding interventional image within the interventional imaging sequence (23) and an imaging parameter of the imaging modality (20) (e.g., a direction, a rotation and/or an angulation of the imaging modality (20)) during an acquisition of the corresponding interventional image by the imaging modality (20). The controller (40) interfaces with the imaging modality (20) and/or a display (24, 31) responsive to a user interaction with at least one of the interactive virtual indicators.

Abstract: The present invention relates to safety in a dynamic 3D healthcare environment. The invention in particular relates to a medical safety-system for dynamic 3D healthcare environments, a medical examination system with motorized equipment, an image acquisition arrangement, and a method for providing safe movements in dynamic 3D healthcare environments. In order to provide improved safety in dynamic 3D healthcare environments with a facilitated adaptability, a medical safety-system (10) for dynamic 3D healthcare environments is provided, comprising a detection system (12), a processing unit (14), and an interface unit (16). The detection system comprises at least one sensor arrangement (18) adapted to provide depth information of at least a part of an observed scene (22). The processing unit comprises a correlation unit (24) adapted to correlate the depth information. The processing unit comprises a generation unit (26) adapted to generate a 3D free space model (32).

Abstract: A medical safety-system for dynamic 3D healthcare environments, a medical examination system with motorized equipment, an image acquisition arrangement, and a method for providing safe movements in dynamic 3D healthcare environments. The medical safety-system for dynamic 3D healthcare environments includes a detection system, a processing unit, and an interface unit. The detection system includes at least one sensor arrangement to provide depth information of at least a part of an observed scene. The processing unit includes a correlation unit to assign the depth information and a generation unit to generate a 3D free space model to provide the 3D free space model.

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: Methods, image processing system, and computer program elements are provided for algorithmically determining optimal catheter types for use in traversing a determined vascular path. The algorithmic determination uses geometric values obtained from angiogram imaging data and a database of available catheter types and corresponding geometric values for the available catheter types.

Abstract: An apparatus (IP) and a method to generate temporally-aligned image frames for image-streams (LS, RS) in a multi-channel (CR, CL) imaging system (100). The apparatus (IP) allows reducing or removing temporal distance artifacts that occur when processing the frames into combined image material. The apparatus can also be used to improve signal-to-noise ratio of the frames. The multi-channel imaging system (100) may be a stereoscopic imager.

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: Image processing methods and related systems (IPS) to process imagery (F) acquired during deposition of a substance at a region of interest, ROI The methods and systems allow visualizing in a graphics display (GD) various aspects of the deposited substance and/or determining, based on the imagery, the amount of said substance deposited at the ROI.

Abstract: Method and related system (IPS) for visualizing in particular a volume of a substance during its deposition at a region of interest (ROI). A difference image is formed from a projection image and a mask image. The difference image is then analyzed to derive more accurate motion information about a motion or shape of the substance. The method or system (IPS) is capable of operating in an iterative manner. The proposed system and method can be used for processing fluoroscopic X-ray frame acquired by an imaging arrangement (100) during an embolization procedure.

Abstract: Methods, image processing system, and computer program elements are provided for algorithmically determining optimal catheter types for use in traversing a determined vascular path. The algorithmic determination uses geometric values obtained from angiogram imaging data and a database of available catheter types and corresponding geometric values for the available catheter types.

Abstract: An image processing method and related system to register projection images (AG, MI) only with respect to a motion of a landmark across said images. The motion of the landmark relates to a motion of a region of interest, ROI. The so registered images (AG, MI) are then subtracted from each other to arrive at a difference image that is locally motion compensated and that represents the ROI at good contrast while subtraction artifacts can be avoided.

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: Method and related system (IPS) for visualizing in particular a volume of a substance during its deposition at a region of interest (ROI). A difference image is formed from a projection image and a mask image. The difference image is then analyzed to derive more accurate motion information about a motion or shape of the substance. The method or system (IPS) is capable of operating in an iterative manner. The proposed system and method can be used for processing fluoroscopic X-ray frame acquired by an imaging arrangement (100) during an embolization procedure.

Abstract: An image processing method and related system to register projection images (AG, MI) only with respect to a motion of a landmark across said images. The motion of the landmark relates to a motion of a region of interest, ROI. The so registered images (AG, MI) are then subtracted from each other to arrive at a difference image that is locally motion compensated and that represents the ROI at good contrast whilst subtraction artifacts can be avoided.

Abstract: Image processing methods and related systems (IPS) to process imagery (F) acquired during deposition of a substance at a region of interest, ROI The methods and systems allow visualizing in a graphics display (GD) various aspects of the deposited substance and/or determining, based on the imagery, the amount of said substance deposited at the ROI

Abstract: An imaging system (IMS) that includes a functionality (100) to help a user adjust an imaging geometry relative to a region of interest (ROI). A graphics display (505, 405, 510) is generated and displayed on a screen (MT) to indicate in a current field of view (FOV) a current position of the ROI within said FOV and a protocol required position of said ROI.

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.