Shanghai United Imaging Healthcare Co., Ltd.

Huawei Technologies Co., Limited

Siemens Aktiengesellschaft

Chinese Academy of Sciences

Shenzhen Institutes of Advanced Technology

Zte Corporation

Qiang He

Zhenhua Shen

Wei Luo

Xin Liu

Xiangshui Miao

Zhen Li

Hairong Zheng

Junfeng Zhao

Feng Xu

De He Weng

Fuyi Fang

Ronggang Xu

Tao Zhang

Chao Luo

Nan Li

Feng Zhang

Wei Xiong

Ye Li

Qiang Zhang

Tobias Berneth

Hui Liu

Xiao Liu

Dong Liang

Guobin Li

Lingzhi Hu

Peter Heubes

Yuhang Shi

Chao Zou

Hong Zhu

Xiao Dong Zhou

Qiaoyan Chen

Jie Lu

Zhulin Wei

Bo Xie

Feng Du

Jo Lee

Ailan Zhu

Zhulin Cheng

Zhifeng Hu

Guoguang Zhao

Shujie Zhang

Yongjiu Li

Xiao Cong Xing

Rui Bin Dai

Liang Fu

Jun'an Zheng

Mingzhi Zhang

An MR-PET apparatus is provided. The MR-PET apparatus may include a supporting component, a PET detection device, an RF coil, and a signal shielding component. The PET detection device may be supported on the supporting component. The PET detection device may be configured to receive a plurality of photons. The RF coil may be configured to generate or receive a radio frequency (RF) signal. The signal shielding component may be placed between the PET detection device and the RF coil. The signal shielding component may be configured to shield the PET detection device from at least part of the RF signal.

Magnetic resonance-positron emission tomography imaging apparatus

A method for medical imaging may include determining a posture of an object and obtaining a first parameter of a pulse sequence to be applied to the object. The method may also include determining, based on the posture and the first parameter, a SAR distribution model and estimating, based on the SAR distribution model and a second parameter of the pulse sequence to be applied, a SAR distribution associated with the object under the pulse sequence to be applied. The second parameter is associated with calibration of the pulse sequence to be applied. The method may further include determining whether the estimated SAR distribution meets a condition and causing, in response to a result of the determination that the estimated SAR distribution associated with the object meets the condition, a scanner to perform an MR scan on the object according to the pulse sequence.

Systems and methods for magnetic resonance scanning

Disclosed are information transmission method, apparatus, device and medium for medical imaging application. The method includes: an imaging device corresponding to an application authorization request is determined according to the received application authorization request, and an application permission profile of the imaging device is acquired; and a medical imaging application corresponding to the imaging device is determined according to the application permission profile of the imaging device, and medical imaging application information corresponding to the medical imaging application is transmitted to the imaging device.

Information transmission method, apparatus, device and medium for medical imaging application

Systems and methods for medical imaging diagnoses are provided. The methods may include detecting an entrance of the scan platform into a scanning room by a signal emission device, moving the scan platform to a joint area according to connection interface of the medical imaging device by a driving device. The method may also include adjusting the scan platform to connect to the medical imaging device by a position adjusting device. The method may also include connecting the scan platform to the medical imaging device by a physical interface. The method may further include moving the scanning object to a scanning area of the medical imaging device by the driving device.

Systems and methods for medical image scanning positioning

The present disclosure relates to systems and methods for determining a motion of an object during imaging. The systems and methods may cause a light emission device to project a structured light onto the object, and cause a light reception device to detect light resulting from the structured light as projected onto the object and generate a plurality of measured images of the structured light based on the detected light. The systems and methods may further determine the motion of the object based on the plurality of measured images of the structured light and a reference image of the structured light.

Systems and methods for determining motion of an object in imaging

A dual-nuclear radio frequency (RF) coil device includes a first RF coil and a second RF coil. The first RF coil includes at least one adjustment capacitor, the first RF coil is configured to generate a first magnetic field, and a direction of a primary magnetic field of the first magnetic field is a first direction. The second RF coil includes an electric dipole and a tuning and matching circuit connected between two conductors of the electric dipole. The second RF coil is configured to generate a second magnetic field and a direction of a primary magnetic field of the second magnetic field is a second direction; the electric dipole is disposed in a center line of the first RF coil and an insulating layer is disposed between the electric dipole and the first RF coil; and the first direction is perpendicular to the second direction.

Dual-nuclear RF coil device and dual-nuclear RF coil array device

The terminal housing includes a first panel and a second panel, where a material of the first panel or a material of the second panel is glass. The first panel includes a first main face that is flat and straight and a first side face. The first main face has at least one first vertex angle, the first main face has two margins on two sides of the first vertex angle and connected to the first vertex angle, and cross sections in a through-thickness direction of the first panel and respectively vertical to the two margins connected to the first vertex angle are respectively a first through-thickness cross section and a second through-thickness cross section.

Terminal housing, panel of terminal housing, and terminal

A data storage method applying to a phase change memory and the phase change memory are provided. After obtaining to-be-stored data, the phase change memory (PCM) generates an erase pulse signal and a write pulse signal according to the to-be-stored data. The to-be-stored data is multi-bit data. The write pulse signal includes at least two contiguous pulses. Intervals between the at least two contiguous pulses are the same. The intervals between the at least two contiguous pulses have a value determined according to the to-be-stored data. The PCM applies the erase pulse signal to a storage unit of the PCM to enable the storage unit to change to a crystalline state. Further, the write pulse signal is applied to the storage unit to enable the storage unit to change to an amorphous state corresponding to a first resistance value, where the amorphous state represents the to-be-stored data.

Data storage method and phase change memory

A data storage method applying to the phase change memory and a phase change memory are provided. After obtaining to-be-stored data, the phase change memory generates an erase pulse signal and a write pulse signal according to the to-be-stored data. The to-be-stored data is multi-bit data. The write pulse signal is a signal including at least two consecutive pulses with a same amplitude. The amplitude of the at least two consecutive pulses is a value determined according to the to-be-stored data. Then, the phase change memory applies the erase pulse signal to a storage unit of the phase change memory to allow the storage unit to switch to a crystalline state. Further, the write pulse signal is applied to the storage unit to allow the storage unit to switch to an amorphous state corresponding to a first resistance value, where the amorphous state represents the to-be-stored data.

A Zr-based amorphous alloy is provided; the formula of the Zr-based amorphous alloy is (Zr, Hf, Nb)CuNiAlRe, where a, b, c, d, and e are corresponding atomic percent content of elements in the Zr-based amorphous alloy, 45&#x2266;a&#x2266;65, 15&#x2266;b&#x2266;40, 0.1&#x2266;c&#x2266;15, 5&#x2266;d&#x2266;15, 0.05&#x2266;e&#x2266;5, a+b+c+d+e&#x2266;100, and Re is one of or any combination of elements La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb, and Lu, or Re is combined with Y and one of or any combination of elements La, Ce, Po, Ho, Er, Nd, Gd, Dy, Sc, Eu, Tm, Tb, Pr, Sm, Yb, and Lu.

ZR-based amorphous alloy

For magnetic resonance imaging (MRI), a dynamic frequency drift correction method for binomial water excitation method includes collecting the reference one-dimensional navigation signal by an MRI device; acquiring one current one-dimensional navigation signal after scanning N images, wherein N is a positive integer; calculating the frequency drift according to the reference one-dimensional navigation signal and the current one-dimensional navigation signal; calculating and setting the initial phase of the next radio frequency signal by the MRI device according to the frequency drift. The method provides real-time calculation of the main magnetic field frequency drift according to the one-dimensional navigation signal during the scanning period and corrects the phase of the radio frequency signal to ensure that the direction of the gradient field is always perpendicular to the plane formed by the spinning of fat protons, so there is only water signal remaining after excitation so that water images can be obtained.

Dynamic frequency drift correction method in magnetic resonance imaging

Disclosed in the present embodiments are a method and a device for correcting a shimming device. A phase image in a coronal plane direction of a phantom is used to make an estimation of a degree of symmetry of the phase image for each test position of the shimming device. From the image symmetry estimation result corresponding to each test position, a test position with the best image symmetry estimation result is selected to be an optimum deployment point of the shimming device.

Method and device for correcting a shimming device

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Shenzhen, China

Qiang He