摘要:
A magnetic resonance apparatus which acquires a navigator signal for detecting a position of each edge of a first body-moving portion from a navigator region including the first body-moving portion and a second body-moving portion, includes: a scan unit which executes a scan for acquiring the navigator signal; a profile generating unit which generates a profile indicative of a relationship between each position and a signal strength in the navigator region on the basis of the navigator signal; a detecting unit which detects the position of the edge of the first portion on the basis of the profile; a determining unit which determines a first region on the side close to the position of the edge from within a region corresponding to the first portion of the profile and determines a second region on the side close to the position of the edge from within a region corresponding to the second portion of the profile; and an evaluating unit which evaluates the quality of the navigator signal on the basis of a first characteristic value indicating a characteristic of a signal strength in the first region and a second characteristic value indicative of a characteristic of a signal strength in the second region.
摘要:
The present disclosure relates to a remote controller 6, a remote control system and an X-ray system including the same. The remote control system includes a remote controller 6 and a processing unit, the processing unit located in a controlled system controlled by the remote controller 6, wherein the remote controller 6 comprises: one or more keys for a user to select a controlled object to be controlled via the remote controller; a sensing unit for sensing an orientation of the remote controller; and a wireless transmitter for transmitting to the controlled system information as to which of the one or more keys is selected by the user and orientation information of the remote controller 6 sensed by the sensing unit, and wherein the processing unit generates a control command for the controlled system in accordance with information about key selection by the user and orientation information of the remote controller 6, so as to control movement of a controlled object corresponding to the selected key in accordance with the orientation of the remote controller 6. By virtue of the embodiments of the present invention, the key layout of the remote controller 6 can be simplified, and remote control operations can be made easier and less likely to be erroneous.
摘要:
The present invention provides a chiller-less cooling system and method for an interventional detector. A cooling method comprises using a heat pipe 12 to connect a tray 101 and a lift frame 102 of a detector housing 10 so as to reduce a thermal resistance between the detector tray 10 and the lift frame 102 and transfer more heat from the detector; using an external heat sink 13 connected with the heat pipe 12 so as to reduce a thermal resistance between the lift frame 102 and an ambient environment; and embedding a high heat transfer coefficient device 11 into the detector tray 10 so as to collect heat leading to the heat pipe 12, obtain a uniform temperature distribution, and reduce a thermal resistance of the detector tray 10. Another cooling method comprises using a loop heat pipe 14 to connect the detector tray 10 and a C-arm 20 of an interventional imaging system; embedding a condenser end 141 of the loop heat pipe 14 into the detector tray 10; embedding a evaporator end 142 of the loop heat pipe 14 into a heatspreader which is fixed onto the C-arm 20. The present invention further discloses a method for cooling a detector using a fan/heat sink/loop heat pipe module 30 in a C-arm 20.
摘要:
The present invention provides a chiller-less cooling system and method for an interventional detector. A cooling method comprises using a heat pipe 12 to connect a tray 101 and a lift frame 102 of a detector housing 10 so as to reduce a thermal resistance between the detector tray 10 and the lift frame 102 and transfer more heat from the detector; using an external heat sink 13 connected with the heat pipe 12 so as to reduce a thermal resistance between the lift frame 102 and an ambient environment; and embedding a high heat transfer coefficient device 11 into the detector tray 10 so as to collect heat leading to the heat pipe 12, obtain a uniform temperature distribution, and reduce a thermal resistance of the detector tray 10. Another cooling method comprises using a loop heat pipe 14 to connect the detector tray 10 and a C-arm 20 of an interventional imaging system; embedding a condenser end 141 of the loop heat pipe 14 into the detector tray 10; embedding a evaporator end 142 of the loop heat pipe 14 into a heatspreader which is fixed onto the C-arm 20. The present invention further discloses a method for cooling a detector using a fan/heat sink/loop heat pipe module 30 in a C-arm 20.
摘要:
The present invention provides a capacitive data input device with mechanical touch feeling, e.g. a keyboard, which comprises a mechanical part (20) and a capacitive sensing part (30), wherein the mechanical part lies above the capacitive sensing part, the keys (33) in the mechanical part have a one-to-one corresponding relationship with the keypads in the capacitive sensing part, so that the respective keypads in the capacitive sensing part can be triggered by mechanically operating the keys in the mechanical part. The present invention can provide the user with a conventional mechanical touch feeling to help the user to locate quickly and accurately and avoid misoperation. Besides, since the mechanical part (20) only performs the mechanical feedback function and does not need to perform the electrical function and is removable, so that the data input device of the present invention can be cleaned or sterilized easily, and made thin and reliable.