Patent application number | Description | Published |
20130234714 | Radio Frequency Coil Device and Magnetic Resonance Imaging System - An RF coil device and an MRI system are provided. The RF coil device includes m coil elements, where m is an integer greater than 1. The RF coil device also includes an RF switch control unit including n output terminals and m input terminals connected to the m coil elements, respectively, where n is an integer greater than or equal to 1 and less than m. The RF coil device includes a decoder for outputting a control signal to the RF switch control unit according to a received control command. The RF switch control unit connects each of not more than n input terminals to a different output terminal according to the control signal. | 09-12-2013 |
20140058250 | Shoulder Coil and Transmitting Coil for Magnetic Resonance System - A shoulder coil for a magnetic resonance system includes a receiving part. The shoulder coil also includes a transmitting part used for coupling a radio-frequency magnetic field of a body coil of the magnetic resonance system. | 02-27-2014 |
20140088409 | Receiving Coils for Magnetic Resonance Systems - A receiving coil for a magnetic resonance system includes an antenna unit and a locating unit. The locating unit is used for locating a subject to be examined and is positioned inside the antenna unit. The receiving coil for a magnetic resonance system may improve a patient's level of comfort, reduce the complexity of operation, and improve the coil's signal-to-noise ratio. | 03-27-2014 |
20140176137 | Adapter, Coil, and Magnetic Resonance Imaging System - An adapter includes a control circuit, a control signal interface, a first input signal interface, a second input signal interface, and a first output signal interface. The control signal interface receives a tuning/detuning signal, and the control circuit switches, according to the tuning/detuning signal, the first input signal interface and the second input signal interface to be in conduction with the first output signal interface. | 06-26-2014 |
20140210475 | Local Coil and Magnetic Resonance Imaging System - A local coil and a magnetic resonance imaging system are provided. The local coil includes an antenna part, an adjustment part and a transmission part. The antenna part includes a first capacitor connected in series for adjusting a frequency of the antenna part. The adjustment part includes a tuning/detuning diode and is connected in parallel to the first capacitor, and the tuning/detuning diode is used for adjusting tuning and detuning of the antenna part. The transmission part includes a radio-frequency transmission line that connects the antenna part and the adjustment part, and the transmission part provides a phase difference of an odd multiple of 180° between the antenna part and the tuning/detuning diode. | 07-31-2014 |
20150048831 | Magnetic Resonance Imaging Apparatus and Local Coil Assembly and Local Coil Thereof - A local coil assembly for an MRI apparatus includes an RF channel setting unit, a basic coil having a first slot, and a first additional coil connected to the first slot. Each of the basic coil and the first additional coil includes one or more receiving channels. The RF channel setting unit is configured for setting a receiving channel of the basic coil and a receiving channel of the first additional coil. The basic coil is configured for receiving an RF signal according to a receiving channel set by the RF channel setting unit. The first additional coil is configured for receiving an RF signal according to a receiving channel set by the RF receiving channel setting unit. The present teachings are compatible with multiple coils, and support the combined use of multiple coils. | 02-19-2015 |
20150091561 | METHOD AND DEVICE FOR MAGNETIC RESONANCE IMAGING - A mode matrix processor of a magnetic resonance imaging system includes an input unit, an output unit, an operation unit, and a control unit, wherein the input unit is used for receiving a number of digital magnetic resonance signals; the operation unit is used for performing a linear combination operation on the plurality of digital magnetic resonance echo signals, to obtain at least one digital mode signal; the output unit is used for sending the at least one digital mode signal; and the control unit controls, according to the number of the digital magnetic resonance signals, the operation unit to perform the linear combination operation. The mode matrix processor of a magnetic resonance imaging system according to a specific embodiment of the present invention has desirable portability between different systems. The mode matrix processor of a magnetic resonance imaging system according to a specific embodiment of the present invention can improve the compatibility of coils between different systems. | 04-02-2015 |
20150112184 | Local Coil Receiving Channel Selector for Magnetic Resonance Imaging System - Presented in an embodiment is a local coil of an MRI system, including at least one cascade output slot, at least one cascade input slot, and at least one RF switch. The RF switch includes a first input signal interface, a second input signal interface, and at least one output signal interface, wherein the first input signal interface is connected to the cascade input slot, the second input signal interface is connected to a RF signal interface of the local coil, the output signal interface is connected to the cascade output slot. The RF switch is configured to output signals received by the first input signal interface and the second input signal interface from the output signal interface separately. | 04-23-2015 |