A real-time spatial magnetic positioning device, a radiographic imaging system and a magnetic positioning method is provided. The radiographic imaging system comprises a radiation source, a collimator, a flat panel detector, and a real-time spatial magnetic positioning device, wherein the magnetic positioning device comprises a processor, a magnetic field generating device and a magnetic sensor array; the magnetic field generating device is arranged coaxially with the collimator, a plurality of sensors of the magnetic sensor array is distributed on the flat panel detector; the magnetic field generating device is configured to generate an alternating magnetic field, the magnetic sensors are capable of independently detecting magnetic induction intensity in real time, and sending real-time detected data to the processor, and the processor determines a position relationship between the collimator and the flat panel detector according to the data detected by respective magnetic sensors in real time.

An X-ray CT scanner generates CT imaging information on an imaging region, and has a revolution arm positioning an X-ray generator and an X-ray detector to face one another with a subject therebetween, directing the revolution arm to move so X-ray beam radiation is offset from the center of the imaging region. An axial direction changing mechanism changes an imaging target from a first imaging region to a second imaging region in an axial direction of the imaging central axis, and a controller controls offset CT imaging, and an X-ray imaging information generator to generate first and second CT imaging information based on projection data of the first and second imaging region and to generate a stitch imaging information comprising the first and second CT imaging information.

A radiography aid and method of using the same comprising: attaching a radiographic reference device to the external fixation device, the radiographic reference device comprises at least two surfaces; positioning the first surface of the radiographic reference device on an imager surface to capture a first radiographic image of the external fixation device and the one or more objects; repositioning the external fixation device to position the second surface of the radiographic reference device on the imager surface to capture a second radiographic image of the external fixation device and the one or more objects that differs in position from the first radiographic image by the first angle; and calculating the position of the one or more objects in three dimensions.

A radiography aid and method of using the same comprising: attaching a radiographic reference device to the external fixation device, the radiographic reference device comprises at least two surfaces; positioning the first surface of the radiographic reference device on an imager surface to capture a first radiographic image of the external fixation device and the one or more objects; repositioning the external fixation device to position the second surface of the radiographic reference device on the imager surface to capture a second radiographic image of the external fixation device and the one or more objects that differs in position from the first radiographic image by the first angle; and calculating the position of the one or more objects in three dimensions.

A control system includes a radiation emission apparatus and a radiographic imaging apparatus that generates image data by receiving radiation A first apparatus of the radiation emission apparatus and the radiographic imaging apparatus includes a first timer that performs time measurement to periodically generate first time measurement information. A second apparatus of the radiation emission apparatus and the radiographic imaging apparatus includes a second timer that performs time measurement to periodically generate second time measurement information. The first apparatus includes an interface that transmits the first time measurement information to the second timer. At least one apparatus includes a hardware processor which adjusts the operation of the first or second timer based on adjustment conditions in a state where the second timer does not acquire the first time measurement information.

A control system includes a radiation emission apparatus and a radiographic imaging apparatus that generates image data by receiving radiation A first apparatus of the radiation emission apparatus and the radiographic imaging apparatus includes a first timer that performs time measurement to periodically generate first time measurement information. A second apparatus of the radiation emission apparatus and the radiographic imaging apparatus includes a second timer that performs time measurement to periodically generate second time measurement information. The first apparatus includes an interface that transmits the first time measurement information to the second timer. At least one apparatus includes a hardware processor which adjusts the operation of the first or second timer based on adjustment conditions in a state where the second timer does not acquire the first time measurement information.

Disclosed herein is an X-ray detector comprises: an X-ray absorption layer configured to absorb X-ray photons; an electronics layer comprising an electronics system configured to process or interpret signals generated by the X-ray photons incident on the X-ray absorption layer; and a temperature driver in the X-ray absorption layer or the electronics layer.

Disclosed herein is an X-ray detector comprises: an X-ray absorption layer configured to absorb X-ray photons; an electronics layer comprising an electronics system configured to process or interpret signals generated by the X-ray photons incident on the X-ray absorption layer; and a temperature driver in the X-ray absorption layer or the electronics layer.

A large-field-of-view high-resolution imaging device includes an imaging array formed by splicing and combining a plurality of imaging units and a CSI phosphor screen. Each imaging unit is formed by coupling an array of light cones in series and an enhanced CCD. The series light cone array is formed by connecting a large light cone and a small light cone in series such that a small end face of the large light cone is connected with a large end face of the small light cone, a large end face of the large light cone is attached to the CSI phosphor screen, and a small end face of the small light cone serves as an input window of an image enhancer. The enhanced CCD is formed by coupling the image enhancer and a CCD camera. A photosensitive screen of the CCD camera serves as an output window of the image enhancer.

A large-field-of-view high-resolution imaging device includes an imaging array formed by splicing and combining a plurality of imaging units and a CSI phosphor screen. Each imaging unit is formed by coupling an array of light cones in series and an enhanced CCD. The series light cone array is formed by connecting a large light cone and a small light cone in series such that a small end face of the large light cone is connected with a large end face of the small light cone, a large end face of the large light cone is attached to the CSI phosphor screen, and a small end face of the small light cone serves as an input window of an image enhancer. The enhanced CCD is formed by coupling the image enhancer and a CCD camera. A photosensitive screen of the CCD camera serves as an output window of the image enhancer.