Abstract: A radio frequency (RF) transmit—receive coil for a magnetic resonance (MR) imaging system includes an integrated vital signs detector for the detection of vital signs of a patient within the MR imaging system. The coil includes a contactless sensor system for monitoring vital signs, which makes it easier to measure vital signs of the patient.

Abstract: It is an object of the invention to provide a radio frequency (RF) transmit—receive coil (1) for a magnetic resonance (MR) imaging system with an integrated vital signs detector (3) for the detection of vital signs of a patient within the magnetic resonance (MR) imaging system, whereby contact sensors directly attached to the body of the patient, are replaced by a contactless system for monitoring vital signs, which makes it much easier to measure vital signs of the patient. The object is achieved by a RF transmit-receive coil (1) comprising a vital signs detector (3) wherein the vital signs detector (3) is integrated in the RF transmit-receive coil (1), wherein a pair of electrically conducting coil elements (4) of the RF transmit-receive coil (1) forms the vital signs detector (3), wherein the vital signs detector (3) is a capacitive vital signs detector (3), the capacitive vital signs detector (3) being adapted for receiving capacitive vital signs signals.

Abstract: Embodiments of the present application provide a radio frequency head coil (300), RE head coil. The RE head coil (300) comprises a coil former (310) comprising at least a first leg and a second leg arranged at a distance from each other to define a space there between, the coil former (310) being at least sectionally flexible and having at least one first fastening portion (315, 316) arranged adjacent to the space (314), and a respiratory mask (320) comprising a gas outlet (324) and at least one second fastening portion (322, 323), wherein in an operable condition in which the RE head coil (300) is adapted to be arranged at least in sections around a head of a patient (S) and in which the second fastening portion (322, 323) is adapted to be fastened to the first fastening portion (315, 316), the gas outlet (324) is disposed within the space (314).

Abstract: A respiratory monitoring device comprises: a light source (30) arranged to generate a projected shadow (S) of an imaging subject (P) positioned for imaging by an imaging device (8); a video camera (40) arranged to acquire video of the projected shadow; and an electronic processor (42) programmed to extract a position of an edge of the projected shadow as a function of time from the acquired video. In some embodiments, the light source is arranged to project the shadow onto a bore wall (20) of the imaging device, and the video camera is arranged to acquire video of the projected shadow on the bore wall. The electronic processor may be programmed to extract the position of the edge (E) as a one-dimensional function of time (46) based on the position of the edge in each frame of the acquired video and time stamps of the video frames.

Abstract: A contact-free method of determining biometric parameters and physiological parameters of a subject of interest (20) to be examined by a medical imaging modality (10), comprising steps of taking (72) a picture by a first digital camera (52) including a total view of an examination table (44); applying (74) a computer vision algorithm or an image processing algorithm to the picture for determining a biometric parameter of the subject of interest (20) in relation to the examination table (44); taking (78) at least one picture with a second digital camera (58), whose field of view (60) includes a region of the subject of interest (20) that is related to the at least one determined biometric parameter; using data indicative of the determined biometric parameter to identify (82) a subset of pixels of the at least one picture taken by the second digital camera (58) that define a region of interest (64) from which at least one physiological parameter of the subject of interest (20) is to be determined, taking (84) a

Abstract: The invention provides for a magnetic resonance antenna assembly (100) comprising one or more antenna elements (106), wherein the magnetic resonance antenna assembly further comprises multiple electronic dosimeters (108, 110, 204, 604) operable for measuring a cumulative radiation dose (470) of ionizing radiation (442) received by the magnetic resonance antenna assembly.

Abstract: The invention provides for a magnetic resonance imaging system (100) comprising a radio frequency system (116, 114, 118) configured for acquiring magnetic resonance data (144) from an imaging zone (108). The radio frequency system is configured for sending and receiving radio frequency signals to acquire the magnetic resonance data, wherein the radio frequency system comprises: an elliptical transmission coil (114) configured for generating a B1+ excitation field within the imaging zone; and an active B1 shim coil (118) configured for being placed within the imaging zone, wherein the radio frequency system is configured for suppling radio frequency power to the active B1 shim coil during the generation of the B1+ excitation field by the elliptical transmission coil, wherein the B1 shim coil is configured for shimming the B1+ excitation field within the imaging zone.

Abstract: The present invention is directed to a magnetic resonance imaging system with motion detection for examination of a patient (53), the magnetic resonance imaging system comprising an RF coil arrangement with an RF coil (4) for transmitting and/or receiving an RF signal for generating a magnetic resonance image wherein the RF coil arrangement is provided with an additional RF sensor (5) for transmitting an RF transmit signal which is adapted for interacting with the tissue (23) of the patient (53) allowing to sense motion signals due to motions of the patient (53) simultaneously to transmitting and/or receiving the RF signal for generating the magnetic resonance image. In this way movements of a patient under examination in an MRI system may be detected in an efficient and reliable way.

Abstract: A system for controlling operation of an imaging or therapy apparatus. The system comprises an interface (IN) for receiving a pain measurement signal as measured by one or more sensors (S) in relation to an anatomic part (BR) of the patient (PAT) i) being imaged in an imaging procedure by the imaging apparatus or ii) being under therapy in a therapy procedure delivered by the therapy device, whilst the part (BR) is held in an adjustable fixation device (FD). A control unit (CU) of the system is configured to process the pain measurement signal to compute at least one control signal. A control interface (CIF) of the system is configured to interact during the imaging or therapy procedure with the imaging apparatus (IA) and/or the fixation device (FD) based on the control signal to a) influence the imaging or therapy procedure and/or b) to adjust the fixation device so as to change the manner in which the part (BR) is being held.

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: The invention provides for a medical instrument (100, 300, 400, 500) comprising a magnetic resonance imaging system (102). The medical instrument further comprises a subject support (120) with a support surface (121) configured for supporting at least a portion of the subject within an imaging zone (108). The subject support comprises a radar array (125) embedded below the support surface. The medical instrument further comprises a radar system (124) for acquiring a radar signal (144) from the subject. The medical instrument further comprises a motion detection system (122) configured for acquiring a movement signal (146).

Abstract: A magnetic resonance (MR) system (10) for guidance of a shaft or needle (16) to a target (14) of a subject (12) is provided. The system includes a user interface (76). The user interface (76) includes a frame (78) positioned on a surface of the subject (12). The frame (78) includes an opening (82) over an entry point of a planned trajectory for the shaft or needle (16). The planned trajectory extends from the entry point to the target (14). The user interface (76) further includes one or more visual indicators (80) arranged on the frame (78) around the opening (82). The one or more visual indicators (80) at least one of: 1) visually indicate deviation of the shaft or needle (16) from the planned trajectory; and 2) visually indicate a current position of a real-time slice of real-time MR images.

Abstract: The invention provides for a magnetic resonance imaging system (100) comprising a radio frequency system (116, 114, 118) configured for acquiring magnetic resonance data (144) from an imaging zone (108). The radio frequency system is configured for sending and receiving radio frequency signals to acquire the magnetic resonance data, wherein the radio frequency system comprises: an elliptical transmission coil (114) configured for generating a B1+ excitation field within the imaging zone; and an active B1 shim coil (118) configured for being placed within the imaging zone, wherein the radio frequency system is configured for suppling radio frequency power to the active B1 shim coil during the generation of the B1+ excitation field by the elliptical transmission coil, wherein the B1 shim coil is configured for shimming the B1+ excitation field within the imaging zone.

Abstract: Patient headphones (50) for use in a medical scanning modality, comprising a frame member (52), two ear cups (54) that, in an operational state of the patient headphones (50), are arranged to be in contact with one of the patient's ears, and a sensor system (60), the sensor system (60) including optical emitters (64) that are configured for directing electromagnetic radiation to a portion of the patient's skin, and optical sensors (68) that are configured for receiving the electromagnetic radiation being returned from the portion of the patient's skin, and for providing an output signal that corresponds to the received electromagnetic radiation, wherein the output signal is indicative of at least one physiological parameter of the patient and serves as a basis for determining the at least one physiological parameter of the patient; —a patient headphones system (48) for use in a medical scanning modality (10), comprising an embodiment of such patient headphones (50) and a data acquisition and analysis unit (76

Abstract: A rheology system (202) includes a rheology transducer device (204) for introducing mechanical waves into a subject of interest (120). The rheology transducer device (204) includes multiple transducers (212), a driving device (206) for driving the rheology transducer device (204), a sensor device (208) for sensing mechanical waves at the subject of interest (120), and a control device (210) for receiving input from the sensor device (208) and for controlling the driving device (206) based on the received input from the sensor device (208). An MR rheology system (200) includes the above rheology system (202) and an MR imaging system (110) adapted to control the rheology system (200). A rheology method includes with the rheology system (202), driving the rheology transducer device (204) to introduce mechanical waves into the subject of interest (120), sensing mechanical waves at the subject of interest (120), and performing feedback control.

Abstract: An energy depositing therapy system (10), comprising: an energy depositing unit (12) provided for locally depositing energy into a therapy zone (56) of a subject of interest (28) for therapy purposes; a transducer unit (32) that is provided for applying mechanical oscillations to at least a portion of the subject of interest (28); a magnetic resonance imaging system (14) provided for acquiring magnetic resonance imaging data from at least the portion of a subject of interest (28), comprising an image processing unit (24) configured to image the mechanical oscillations; a control unit (40) that is connectable to the energy depositing unit (12), the transducer unit (32) and a magnetic resonance scanner (16) of the magnetic resonance imaging system (14), wherein the control unit (40) is configured to control the depositing of energy in dependence of the processed magnetic resonance imaging data of the portion of the subject of interest (28); a method of controlling an energy depositing therapy system (10) by

Abstract: The invention provides for a medical instrument (100, 400, 500, 600, 900, 1000, 1100. 1200, 1400) comprising a magnetic resonance imaging system. The medical instrument comprises: a radio frequency system (116) configured for sending and receiving radio frequency signals to acquire magnetic resonance imaging data (302). The radio frequency system is configured for connecting to a magnetic resonance imaging antenna (114). The medical instrument further comprises a subject support (120) configured for supporting at least a portion of a subject (118) in an imaging zone (108) of the magnetic resonance imaging system. The subject support comprises an antenna connector (124) configured for connecting to the magnetic resonance imaging antenna. The radiofrequency system is configured for connecting to the magnetic resonance imaging antenna via the antenna connector.

Abstract: The present invention is directed to a magnetic resonance imaging system with motion detection for examination of a patient (53), the magnetic resonance imaging system comprising an RF coil arrangement with an RF coil (4) for transmitting and/or receiving an RF signal for generating a magnetic resonance image wherein the RF coil arrangement is provided with an additional RF sensor (5) for transmitting an RF transmit signal which is adapted for interacting with the tissue (23) of the patient (53) allowing to sense motion signals due to motions of the patient (53) simultaneously to transmitting and/or receiving the RF signal for generating the magnetic resonance image. In this way movements of a patient under examination in an MRI system may be detected in an efficient and reliable way.

Abstract: The invention provides for a medical apparatus (100, 200, 300, 500) comprising an optical imaging system (106) configured for acquiring a series of optical images (544) descriptive of cardiac motion of a subject (102). The medical apparatus further comprises a memory (534) for storing machine executable instructions (540). The medical apparatus further comprises a processor (530) for controlling the medical apparatus. Execution of the machine executable instructions causes the processor to repeatedly: acquire (400) a series of images using the optical imaging system, wherein the series of images are acquired at a rate of at least 10 frames per second; and derive (402) a cardiac motion signal (546) from the series of images, wherein the cardiac motion signal is derived by tracking motion of at least a group of pixels within the series of images.

Abstract: The invention relates to the field of magnetic resonance (MR) imaging. It concerns an oscillation applicator for MR rheology. It is an object of the invention to provide an oscillation applicator without restrictions regarding the usability for certain body regions. According to the invention, the oscillation applicator comprises at least one transducer which generates a reciprocating motion at a given frequency and a belt (19) mechanically coupled to the transducer, which belt (19) is designed to be wrapped around a patient's body (10). Moreover, the invention relates to a MR device (1) and to a method of MR imaging.