Abstract: Disclosed is a hypertension monitoring and notification device based on context information, which includes a data gain and storage unit for storing bio information of a user, context data, and weather and health information; a user context analysis unit for deducing context information of the user from the bio information and the context data to analyze context necessary for measuring hypertension; a specific hypertension analysis unit for analyzing specific hypertension using the context information; a blood pressure grade analysis unit for determining a blood pressure grade via the analyzed context information to deduce blood pressure signal light information and to transmit a recommendation content; and a result output and notification unit for outputting and notifying the user and the doctor of the bio information, the blood pressure signal light information, the specific hypertension information, and the context information.

Abstract: Provided is a deep brain stimulation (DBS) device that wirelessly receives microwaves from a power transmission antenna installed at a hat put on a patient, transforms the microwaves into power, and drives electrodes implanted into a brain of the patient using the power, so as to correct abnormal motor and sensory functions of the patient. The DBS device includes: a hat module configured for placement over a head of the patient to transmit microwaves, and an implantation module configured to be implanted through a skull under a scalp to contact the cerebral nerve of the patient, receive the microwaves from the hat module, transform the microwaves into direct current (DC) power, and stimulate the cerebral nerve using the DC power.

Abstract: Provided is a neural electronic interface (NEI) device that includes: a deep brain monitoring and stimulation (DBMS) module that wirelessly receives power from a power transmitter at a hat put on a patient, monitors a state of a brain of the patient by collecting various signals of the brain through a probe pin device (PPD), and transmits the collected signals to a communicator of the hat, wherein a remote controller of the hat analyzes the collected signals and controls the DBMS through the controller to stimulate the brain.

Abstract: Provided is a deep brain stimulation (DBS) device having power wirelessly fed by magnetic induction. A rotating magnetic field is formed using a rotating magnetic field disk installed inside a hat of a patient. The rotating magnetic field generates induced power using an induction coil plate fixed underneath a scalp of the patient to drive electrodes implanted into a brain of the patient so as to correct abnormal motor and sensory functions of the patient using power wirelessly fed from an external device into the electrodes. The DBS device includes: a hat module installed inside a hat of the patient to generate a rotating magnetic field; and an implantation module implanted through a skull under a scalp to contact a nervous system of the patient and combined with the rotating magnetic field of the hat module to stimulate the cerebral nerve using induced power generated by the magnetic induction.

Abstract: There is provided a PET-MRI hybrid apparatus and method for integrating a PET image and an MRI image so that anatomical, hemodynamical and molecular information on human tissues are simultaneously presented in a single image. The PET-MRI hybrid system comprises a first scanner for obtaining anatomical and hemodynamical information, and a second scanner for obtaining molecular and functional information on the human tissues. Along a path between the first scanner and the second scanner, a transferring railway system which includes runs, and a movable bed for supporting a subject installed on the railway. The PET-MRI hybrid system also comprises a “RF+ magnetic” shield and a “magnetic” shield between path between the first scanner and the second scanner, which switch between an open status and a close status in a completely synchronized manner to assure a complete magnetic shield for the PET system at any given time.

Abstract: A process of preparing a radioactive compound containing a fluorine-18 isotope is provided. In one embodiment, the process may comprise forming a [18F] fluoroalkyl triflate by triflating a [18F] fluoroalkyl compound with AgOTf, and forming a [18F] fluoroalkylated radioactive compound through alkylation between the [18F] fluoroalkyl triflate and a radioactive compound precursor having at least one group selected from NH, OH and SH.

Abstract: Embodiments of the present invention may provide a PET-MRI hybrid system capable of arranging a PET apparatus and an MRI apparatus in a line. An MRI room containing the MRI apparatus and a PET room containing the PET apparatus are provided at either side of a central waiting room as opposed to each other about the waiting room. A rail portion linearly extends from the PET room to the waiting room on their bottoms. Another rail portion linearly extends on the bottom of the MRI room. A transfer unit, which supports a subject lying thereon, travels along the rail portions of the waiting room, the MRI room and the PET room. A bridge unit is provided between the rail portion of the waiting room and the rail portion of the MRI room. The bridge unit provides a space for opening and closing a shield door of the MRI room and allows the transfer unit to be reciprocated between the waiting room and the MRI room by selectively connecting the rail portion of the waiting room and the rail portion of the MRI room.

Abstract: A magnetic resonance imaging system is provided, which can provide the homogeneous magnetic field to obtain a head anatomic image with a high resolution and high SNR by coaxially disposing a receive-only phased array antenna inside a transmit-only antenna with a predetermined gap, and thereby a detailed and accurate image of a man's head can be obtained.

Abstract: There is provided an RF (radio frequency) coil assembly of a magnetic resonance imaging (MRI) system, which comprises a birdcage transmit-only coil using inhomogeneous modes. Further, a multi-channel receive-only phased array coil is provided. In one embodiment, the multi-channel receive-only phased array coil may include a plurality of ring-shaped receive-only coils, wherein the receive-only coils are connected to each other in a pseudo-chain-link configuration to form a ring shape. The multi-channel receive-only phased array coil may be located inside said transmit-only coil and spaced a predetermined distance apart therefrom. In accordance with the embodiments, emphasis images of the peripheral part of a human brain with high resolution and high signal to noise ratio may be obtained.

Abstract: An RF (radio frequency) coil assembly of a magnetic resonance imaging (MRI) system, which has a spiral-shaped coil and a plurality of sections. In one embodiment, an RF coil of a magnetic resonance imaging (MRI) system has a plurality of ring-shaped end-rings arranged vertically and a plurality of rods. Each of the rods are connected to the plurality of end-rings. Adjacent end-rings of the plurality of end-rings forms respective coil sections and each of the coil sections has switching blocks located between adjacent rods of the plurality of rods. The switching blocks are operable to control the continuity status of the plurality of rods in the respective coil section.

Abstract: There is provided an RF (radio frequency) coil assembly of a magnetic resonance imaging (MRI) system, which comprises a birdcage transmit-only coil using inhomogeneous modes. Further, a multi-channel receive-only phased array coil is provided. In one embodiment, the multi-channel receive-only phased array coil may include a plurality of ring-shaped receive-only coils, wherein the receive-only coils are connected to each other in a pseudo-chain-link configuration to form a ring shape. The multi-channel receive-only phased array coil may be located inside said transmit-only coil and spaced a predetermined distance apart therefrom. In accordance with the embodiments, emphasis images of the peripheral part of a human brain with high resolution and high signal to noise ratio may be obtained.

Abstract: A magnetic resonance imaging system is provided, which can provide the homogeneous magnetic field to obtain a head anatomic image with a high resolution and high SNR by coaxially disposing a receive-only phased array antenna inside a transmit-only antenna with a predetermined gap, and thereby a detailed and accurate image of a man's head can be obtained.

Abstract: Embodiments of the present invention may provide a PET-MRI hybrid system capable of arranging a PET apparatus and an MRI apparatus in a line. An MRI room containing the MRI apparatus and a PET room containing the PET apparatus are provided at either side of a central waiting room as opposed to each other about the waiting room. A rail portion linearly extends from the PET room to the waiting room on their bottoms. Another rail portion linearly extends on the bottom of the MRI room. A transfer unit, which supports a subject lying thereon, travels along the rail portions of the waiting room, the MRI room and the PET room. A bridge unit is provided between the rail portion of the waiting room and the rail portion of the MRI room. The bridge unit provides a space for opening and closing a shield door of the MRI room and allows the transfer unit to be reciprocated between the waiting room and the MRI room by selectively connecting the rail portion of the waiting room and the rail portion of the MRI room.

Abstract: Embodiments of the present invention may provide a cradle transferring device, which moves and withdraws a cradle to and from an examination table of an MRI apparatus in a PET-MRI hybrid system. The cradle transferring device includes: a cradle, on which a subject lies; a shuttle table supporting the cradle and moving and withdrawing the cradle to and from the examination table of the MRI apparatus; and a cradle receiving member provided on the examination table of the MRI apparatus. The shuttle table is provided with a transfer member for holding and transferring the cradle and a transfer member driving means for reciprocating the transfer member along the shuttle table. The cradle transferring device is further provided with a cradle locking means, which locks the cradle to the examination table after the cradle is moved to the examination table.

Abstract: A method and apparatus are provided for reconstructing 3D image. The method may include the steps of: detecting a plurality of line of response (LORs) emitted from an object; transforming the plurality of LORs into first sinogram data; back-projecting the first sinogram data with a plurality of projection angles to produce image data for the object; and projecting the produced image data with the plurality of projection angles to transform the image data into second sinogram data. The back-projecting may include filling pixels of image plane for each of the plurality of projection angles with the first sinogram data and rotating a coordinate axis of the image plane with corresponding projection angle to produce the image data. The projecting may include rotating the image data with corresponding projection angle in an opposite direction before projecting the image data with the plurality of projection angles. The projecting and the back-projecting may use symmetry properties in coordinate space.