Abstract: An apparatus for determining a functional index for stenosis assessment of a vessel is provided. The apparatus comprises an input interface (40) and a processing unit (50). The input interface is configured to obtain image data (30) representing a two-dimensional representation of a vessel (6). The processing unit (50) is configured to determine a course of the vessel (6) and a width (w1, w2) of the vessel along its course in the image data and is further configured to determine the functional index for stenosis assessment of the vessel based on the width of the vessel in the image data.

Abstract: The present invention relates to guiding an interventional device. In order to provide improved guidance when navigating by the aid of roadmapping, an apparatus (10) for guidance of an interventional device is provided. The apparatus comprises an input unit (12); a data storage unit (14), a data processing unit (16) and an output unit (18). The data storage unit is configured to provide a vasculature map of a region of interest with a vasculature presentation of a subject's vasculature structure. The input unit is configured to receive and transfer to the data processing unit at least one current image of the region of interest, wherein an interventional device is at least partly visible in the at least one current image when inserted within the vasculature structure in the region of interest.

Abstract: The present invention relates to positioning of stents or other medical interventional devices. In order to provide an improved marker detection suitable for smaller markers, a device (10) for positioning a medical interventional device is provided. The device comprises a data input interface (12), a data processing unit (14) and a data output interface (16). The data input interface is configured to provide at least one image of a region of interest of a subject. In the at least one image, at least a part of a guiding apparatus for a medical interventional device is arranged in the region of interest, which part of the guiding apparatus comprises at least one apparatus position marker visible in the at least one image. Further, in the at least one image, a medical interventional device is arranged at least partly in the region of interest, which medical interventional device comprises device position markers, which are less visible in the image than the at least one apparatus position marker.

Abstract: A calibration system for a magnetometer having an unknown gain is disclosed. A calibration magnetic field is generated at a calibration frequency of a known amplitude at the magnetometer. A measurement of the calibrating magnetic field is reported by the magnetometer. A ratio of an amplitude of the calibration magnetic field measurement reported by the magnetometer and the known amplitude of the calibrating magnetic field at the magnetometer is computed. The unknown gain of the magnetometer is determined at least partially based on computed ratio.

Abstract: Disclosed herein are devices, systems, and methods for fabricating alkali vapor cells. The methods disclosed herein comprise depositing a fluid into a reservoir of a device, the device comprising: a reservoir, a set of receptacles, and a set of conduits fluidly connecting each of the receptacles to the reservoir; such that, when a fluid is placed in the reservoir, the fluid flows to each of the receptacles via capillary action. Also disclosed herein are methods comprising flowing a fluid from an inlet to an outlet of a lumen of a main conduit of a device, the device further comprising a set of receptacles, each of the receptacles being in fluid communication with the lumen of the main conduit; such that, when a fluid flows from the inlet to the outlet through the lumen of the main conduit, the fluid further flows into each of the receptacles via capillary action.

Abstract: Device for shaping a laser beam for an atomic sensor, comprising a retroreflector prism with an entrance area, an exit area and two reflection surfaces forming a right angle therebetween. The device for shaping includes a linear polarizer disposed upstream from the entrance area of the retroreflector prism for linearly polarizing a laser beam entering into the retroreflector prism by the entrance area, and a form birefringence plate disposed downstream from the exit area of the retroreflector prism to circularly polarize a laser beam exiting from the retroreflector prism by the exit area.

Abstract: The present invention relates to visualizing vasculature structure.

Abstract: An ultrasound imaging assembly is disclosed, comprising an image processing unit (26) for receiving and for evaluating at least one set of ultrasound data resulting from an ultrasound scan of a volume of interest (31) and for providing corresponding image data on the basis of the ultrasound data. The assembly comprises a display unit (18) for displaying an ultrasound image (30) on the basis of the image data, and an evaluation unit (28) adapted to detect whether a shadowed area (32) is present within the volume of interest (31) on the basis of the ultrasound data, wherein the image processing unit is adapted to determine ultrasound image data of a two-dimensional slice of the shadowed area and wherein the display unit is adapted to display a graphical representation of a corresponding sectional view of the shadowed area within the ultrasound image.

Abstract: A device for medical imaging of coronary vessels includes a data extracting module configured to extract a first vessel map from computed tomography angiography data covering at least one reference cardiac phase and a set of second vessel maps from three-dimensional rotational angiography data covering at least one cardiac cycle. An interpolation module is configured to generate a series of warped versions of the first vessel map aligned with the set of second vessel maps, the series starting at the at least one reference cardiac phase. A merging module is configured to merge the series and the set of second vessel maps at the different phases in order to generate a final imaging map of the coronary vessels.

Abstract: The present invention relates to an apparatus for providing a synthetic representation of a vascular structure. It is described to provide (210) at least one 2D X-ray image comprising 2D X-ray image data of a vascular structure of a patient's body part is provided. A 3D model of the body part is provided (220), the 3D model comprising a 3D modelled vascular structure. A 2D projection of the 3D model of the body part is determined (230), the 2D projection of the 3D model of the body part comprising a 2D projection of the 3D modelled vascular structure. The 3D model of the body part is transformed (240). The transform of the 3D model of the body part comprises a determination of the pose of the 3D model of the body part such that a 2D projection of the 3D modelled vascular structure associated with the transformed 3D model of the body part is representative of the 2D X-ray image data of the vascular structure of the patient's body part.

Abstract: The present invention relates to a device for interacting with vessel images, the device (14) comprising: an interface unit (22); a processing unit (20); wherein the interface unit (22) comprises: a display (21); and an input setup (23); wherein the display (21) is configured to display a vessel image (24); wherein the input setup (23) is configured to receive a user input in relation to the vessel image (24); wherein the processing unit (20) is configured to: determine, for at least one vessel (26) in the vessel image (24), a vessel contour (30); determine, from the user input, an identifier position (36) in the vessel image (24); indicate at least a portion (38) of the vessel contour (30) in the vessel image (24), if the determined identifier position (36) is spaced apart from the vessel contour (30) by a distance (37) within a predefined distance range; determine, from the user input, a drag direction (42); and move the indicated portion (38) along the vessel contour (30) based on the determined drag direc

Abstract: The invention relates to a gas cell for an atomic sensor, comprising an optical cavity provided with at least one optical window (9) and fillable with a gas. The cell also comprises a sealing cup comprising a cavity mouth, a channel mouth, and a sealing access, as well as a membrane which hermetically closes the sealing access of the sealing cup. The membrane can be plastically deformed by heating so as to hermetically close the cavity mouth and/or the channel mouth, in such a way as to hermetically separate the optical cavity from the gas inflow channel.

Abstract: In general, in an aspect, a method for providing an outbound gateway protection includes provisioning one or more worker gateways located in a first gateway virtual private cloud, the one or more worker gateways sharing configuration data with the controller gateway, provisioning one or more load balancer gateways in one or more client virtual clouds, the one or more client virtual clouds each comprising one or more clients, the one or more load balancer gateways distributing client requests among the worker gateways, assigning groups of the one or more clients to one of the one or more load balancer gateways based on requests from a majority of the worker gateways, and communicating outbound network traffic from the clients via the assigned load balancer gateways.

Abstract: The present invention relates to apparatus for automatic quantification of a part of vascular structure. It is described to provide (12) at least one first image comprising a spatial representation of a region of interest of a vascular structure, wherein the at least one first image comprises image data representative of a location of a part of a medical device. The medical device is configured to be used in a vascular treatment, and the part of the medical device is configured to be in a plurality of states associated with different phases of the vascular treatment. At least one second image comprising a spatial representation of the region of interest of the vascular structure is provided (14), wherein the at least one second image comprises image data representative of at least a part of the vascular structure in a visible and distinct manner.

Abstract: The present invention relates to localization of a vascular treatment and quantification of a part of a vascular structure. It is described to provide (12) at least one first image comprising a representation of a region of interest of a vascular structure. At least one second image comprising a representation of the region of interest of the vascular structure is provided (14). Between an acquisition of the at least one first image and an acquisition of the at least one second image, a vascular treatment might have been applied to the region of interest of the vascular structure, wherein the representation of the region of interest of the vascular structure relates to spatial extension information of the vascular structure at least in one image plane. At least one reference image from an image set formed from the at least one first image and the at least one second image is selected (16).

Abstract: Imaging systems and methods for imaging assisted interventional procedure that receive images of a region of interest, that automatically detect in the images a contrast agent puff as it courses through the region of interest, and that generate a display including a video replay loop of contrast enhanced images based on the automatic detection of the contrast agent puff.

Abstract: An apparatus for determining a functional index for stenosis assessment of a vessel is provided. The apparatus comprises an input interface (40) and a processing unit (50). The input interface is configured to obtain image data (30) representing a two-dimensional representation of a vessel (6). The processing unit (50) is configured to determine a course of the vessel (6) and a width (w1, w2) of the vessel along its course in the image data and is further configured to determine the functional index for stenosis assessment of the vessel based on the width of the vessel in the image data.

Abstract: The present invention relates to a device 10 for automatically identifying a part 20a, 20b of an anatomy structure comprising several parts 20a, 20b, in which anatomy structure an intervention device 21 resides. The device 10 comprises a feature extraction unit 11 and an anatomy part classification unit 13. The feature extraction unit 11 uses provided image content data ICD to extract at least one characterizing feature DS of the appearance of 10 the intervention device 21. The anatomy part classification unit 13 correlates the at least one characterizing feature DS with provided classifier data CD which are characteristic for a projection feature of the intervention device 21 viewed under certain geometry of an imaging system 30. After correlating, the anatomy part classification unit 13 determines in which part 20a, 20b of the anatomy structure comprising several parts 20a, 20b the intervention device 2115 is located.

Abstract: The present invention relates to visualizing vasculature structure.

Abstract: An apparatus for generating a medical device implantation warning includes a processor to automatically generate a spatial implantation envelope of a first medical device. The envelope defines a spatial extent of a region of implantation around a first medical device prior to, during, and/or after deployment of the first medical device for implantation. If a second medical device, such as a pigtail catheter, strays into the area, an alarm is generated to warn a medical professional to withdraw the pigtail catheter, before deployment continues.