Abstract: The invention concerns an optical arrangement for an X-ray system for determining a patient position and/or a patient rotation of a patient to be X-rayed by the X-ray system, an X-ray system comprising such optical arrangement, a system for controlling and a method for determining a patient position and/or a patient rotation. The optical arrangement comprises a laser source, and a detector vertically spaced apart from each other. The laser source is configured for emitting a horizontal laser line onto the patient, the detector is configured for detecting a course of the laser line emitted onto the patient. An analysing unit configured for determining the patient position and/or the patient rotation of the patient, based on an analysis of the detected course of the laser line.

Abstract: The present invention relates to a system (10) for detection of Radio Frequency (RF) induced heating of a patient undergoing a Magnetic Resonance Imaging (MRI) examination. The system comprises a form (20); and a processing unit (30). The form is configured to be placed around at least a part of a patient undergoing a Magnetic Resonance Imaging “MRI” examination in an MRI scanner. The form comprises a material (40), and the form is configured such that the material is in thermal contact with the patient when the form is placed around the at least part of the patient undergoing the MRI examination. The processing unit is configured to receive interrogation data of the material. The processing unit is configured to determine that RF induced heating of the patient has occurred. The determination comprises utilization of the interrogation data.

Abstract: A system (100) and method for determining a trigger signal for imaging with an imaging system (40) are provided. The method comprises the steps of: —measuring (S10) a patient-specific characteristic of a patient (30). The patient-specific characteristic is measured when the patient (30) is located at a first position (51) relative to the imaging system (40); —generating (S20) a patient-specific model based on the patient-specific characteristic; —measuring (S30) a triggering waveform of the patient (30). The triggering waveform is measured when the patient (30) is located at a second position (52) relative to the imaging system (40). The second position (52) is different from the first position (51); —determining (S40) the trigger signal based on the patient-specific model and the triggering waveform. The trigger signal is configured to trigger the imaging system (40) to acquire an image of the patient (30) in a time-resolved manner.

Abstract: A system is provided for stimulating renal nerves. The system includes an interstitial device to provide stimulation and denervation of the renal nerves from outside the renal artery. The interstitial device extends through non-vascular tissue and into a periarterial space. The system also includes a control unit in communication with the interstitial device, configured to: obtain, from a sensor, first information pertaining to a blood pressure or heart rate; stimulate, using one or more electrodes of the interstitial device, renal sympathetic nerves associated with the renal artery; and obtain, from the sensor, second information pertaining to the blood pressure or heart rate of the subject. Based on a difference between the first information and the second information, the control unit determines whether the subject is suitable for a sympathetic denervation procedure and causes the interstitial device to perform the sympathetic denervation procedure if the subject is suitable.

Abstract: An apparatus for optimizing a sequence of Magnetic Resonance (MR) scans of an MR exam. The apparatus includes an input unit; a processing unit; and an output unit. The input unit is configured to receive information on a MR exam to be performed on a patient, the information includes details of individual MR scans; provide the information to the processing unit; receive information on the patient, and provide the information to the processing unit. The processing unit is configured to utilize the information to determine an overall score value for each MR scan of the individual MR scans and determine a sequence of MR scans for the MR exam comprising utilization of the individual MR scans and the overall score value for each MR scan. The output unit is configured to output the determined sequence of MR scans for the MR exam.

Abstract: For the field of determining the position of an invasive device (1) a solution for improving the localization of the invasive device (1) is specified. This is achieved by an arrangement and a method for determining the position of an invasive device (1), wherein an optical shape sensing system for sensing a position and/or shape of the invasive device (1) is provided, wherein the system is arranged to localize at least one point Pi on the invasive device (1) at a position xi, yi, zi, with some error margin (2?xi, 2?yi, 2?zi) in a region of interest (3), localizing and reconstructing at least one point Pi on the invasive device (1) at a position xi, yi, zi, with some error margin (2?xi, 2?yi, 2?zi) in a region of interest (3) by the optical shape sensing system.

Abstract: The invention relates to a medical vehicle (1) comprising a medical scanning system (2) that is configured to perform medical scans while the medical vehicle (1) is in motion. The medical scanning system (2) comprises a rotating component (3) that is configured to rotate around a rotation axis (R) and means for limiting gyroscopic forces caused by the rotating component (3) when the rotation axis (R) changes its direction. The means for limiting gyroscopic forces comprise a computing unit (5) and sensors (4) and/or interfaces to sensors (4), wherein the computing unit (5) is adapted to receive sensor readings generated by the sensors (4) and to determine and/or predict the gyroscopic forces based on the sensor readings and is configured to issue a speed limit, in particular a non-zero speed limit, for the medical vehicle (1) based on the determined and/or predicted gyroscopic forces. The intention also relates to a method for operating a medical scanning system (2) in a moving medical vehicle (1).

Abstract: The invention relates to a method of MR imaging of a body (10) of a patient positioned in an examination volume of an MR device (1). It is an object of the invention to provide a method that enables geometrically correct MR-only radiation therapy planning at minimum scan times.

Abstract: A magnetically inductive flow measuring probe comprises a housing that is adapted to be exposed to the medium; two measuring electrodes arranged in a housing end section for forming a galvanic contact with the medium and for sensing a voltage induced in the flowing medium; and a means for producing a magnetic field passing through the housing end section. The means includes a coil arrangement and a field guide body. The field guide body comprises two field guide body legs connected with a coil core, extending to a front section of the housing and adapted to serve as field guideback. Orthogonal projections of the measuring electrodes and the field guide body onto a cross sectional plane are disjoint.

Abstract: The invention may improve image quality of magnetic resonance imaging (MRI). The invention is directed to a coil arrangement (200) for magnetic resonance imaging. It comprises a base structure having a variable shape, an RF coil arranged on or in the base structure, an actuator means at least partially extending along the base structure such that the base structure is deformable along and/or about at least one axis, a position detecting means adapted to detect a current position of at least a portion of the subject to be examined relative to the RF coil, and control means coupled to the position detecting means and the actuator means, wherein the control means is adapted to adjust the shape of the base structure to maintain a contact of an outer surface of the base structure (210) and/or the RF coil (220) with the at least portion of the subject by driving the actuator means in response to a detected change of the current position relative to a previous position.

Abstract: A system (SYS) and related method for supporting MR imaging. The system (SYS) comprises a logic (CL) to receive a measurement from RF sensors (SS1-8) arrangeable outside a bore (BR) of an MR imaging apparatus (IA). The logic processes the measurement to establish i) whether there is at least one surface RF coil present that is not electrically coupled to circuitry (SPC) of the MR imaging apparatus (IA) and/or ii) to localize at least one surface RF coil on or at a patient table (PT) of the MR imaging apparatus.

Abstract: There is provided a control system (126) for a magnetic resonance imaging system (100). The control system comprises a control module (250) configured to control the magnetic resonance imaging system to perform an examination comprising multiple scans. The control system further comprises a monitor module (252) configured to monitor a sleep state of a patient on the basis of sensor data received from a patient state sensing system (102) of the magnetic resonance imaging system. The control system further comprises a sequencing module (254) configured dynamically to determine at least part of a sequence in which the control module is to control the magnetic resonance imaging system to perform the scans, the determination being made according to the monitored sleep state of the patient and according to a sleep-appropriateness score associated with one or more of the scans. A corresponding method is also provided.

Abstract: A system is provided for stimulating renal nerves. The system includes an interstitial device to provide stimulation and denervation of the renal nerves from outside the renal artery. The interstitial device extends through non-vascular tissue and into a periarterial space. The system also includes a control unit in communication with the interstitial device, configured to: obtain, from a sensor, first information pertaining to a blood pressure or heart rate; stimulate, using one or more electrodes of the interstitial device, renal sympathetic nerves associated with the renal artery; and obtain, from the sensor, second information pertaining to the blood pressure or heart rate of the subject. Based on a difference between the first information and the second information, the control unit determines whether the subject is suitable for a sympathetic denervation procedure and causes the interstitial device to perform the sympathetic denervation procedure if the subject is suitable.

Abstract: The present disclosure relates to an ear protection system (200) for a medical imaging device. It comprises an ear protection device (210), adapted to be fitted around or in the ears of a patient (P) to be imaged, and at least comprising a first communication interface (211) and at least one sensor device (212) adapted to determine a measurement of noise passing through the ear protection device (210) towards the ears of the patient. The system (200) further comprises a controllable signal emitter (230), adapted to output a proxy signal representing an expected imaging device noise and to be measured by the at least one sensor device (212), and a patient assistance device (220), adapted to assist the patient to fit the ear protection device (210), and at least comprising a second communication interface.

Abstract: This disclosure provides a method for adapting at least one coil of an MR imaging device, the method comprising the steps: providing, by means of a processor, shape data of a patient (S100); calculating and generating, by means of the processor, a control signal for adapting the at least one coil of the MR imaging device based on the provided shape data of the patient (S200), wherein the generated control signal is configured for adapting a position of said coil to a target position and for adapting a shape of said coil to a target shape; adapting, by means of the processor, the position and the shape of said coil based on the generated control signal (S300); receiving, by means of the processor, current imaging data of the patient from the MR imaging device using the adapted coil (S400); evaluating, by means of the processor, the position and shape of said coil based on the received imaging data and determining an evaluation result (S500).

Abstract: A magnetic resonance examination system with an examination zone (11) and comprising a camera (21) and non-metallic mirror (22), in particular within the examination zone (11), arranging an optical pathway (23) between a portion of the examination zone (11), via the non-metallic mirror (22), and the camera (21). The camera can obtain image information from that portion even if the direct line of sight (28) is blocked. The non-metallic mirror is a dielectric mirror having a macroscopically grated base.

Abstract: A system includes a magnetic imaging apparatus and a monitoring system. The magnetic imaging apparatus has an examination zone. The monitoring system includes a camera and a non-metallic mirror. The non-metallic mirror is disposed within the examination zone and provides an optical pathway between ay least a portion of the examination zone and the camera. The non-metallic mirror comprises a base plate having a macroscopically grated base on one side of the base plate. The macroscopically grated base comprises a plurality of patches. At least some of the patches are tilted at corresponding angles relative to a normal to a planar extension of the base plate. The corresponding angles establish a tilt to an angle of reflection for light from and/or to the examination zone.

Abstract: A user guidance system (SYS) and related method. The system comprises an interface (IN) for receiving a specification of a medical protocol for a given patient, the specification defining a sequence of medical action points. A synthesizer (S) of the system is configured to synthesize a media sequence in accordance with the sequence of medical action points, to obtain a synthesized media sequence for the said patient, the media sequence configurable to guide the patient in a medical procedure, based on the protocol. The media sequence may be used to support imaging protocols to encourage patient compliance, and hence better imaging for example.

Abstract: A synchronisation system comprises aa sensor arrangement to detect a trigger base event. An analysis module and an arithmetic unit are configured to access prior information on a time delay between the sensor arrangement's detection of the trigger base and a starting point of an acquisition time interval for acquiring imaging data. The starting point is computed of the acquisition time interval from the detected trigger base event and the prior information of the time delay. The time delay between the sensor arrangement's detection of the trigger base event and the acquisition time interval may vary between individual subjects, but for each individual subject the time delay is well reproducible and hence on a per subject basis may be calibrated for.

Abstract: The present invention relates to a medical imaging system (1) comprising a camera (21) for monitoring a subject (14) under examination in an examination zone (11) of the system, and a mirror assembly (22) in the examination zone to reflect light from a target area on the body of the subject onto the camera. The mirror assembly (22) comprises a curved reflective surface and/or a plurality of reflective surfaces oriented in different directions, such that light is reflected from the target area into the camera by magnifying the reflected image and/or by projecting multiple copies of the same target area into different areas of the camera image and/or such that light is both reflected from the target area into the camera as reflected from a light source at a different position as the camera onto the target area.