Shanghai United Imaging Healthcare Co., Ltd.

Shanghai United Imaging Intelligence Co., Ltd.

Zte Corporation

Shaohui An

Hongdi Li

Qiang Zhang

Lingzhi Hu

Jun Bao

Yun Dong

Yang Lv

Qiang Li

Xin Zhou

Liping Li

Xinyu Lv

Shitao Liu

Yixing Sun

Kun Wu

Shangjing Li

Xiaobing Huang

Ying Xu

Libo Sun

Yaqing Kong

Yijun Cao

Jinzhou Yang

A PET detector and method thereof are provided. The PET detector may include: a crystal array including a plurality of crystal elements arranged in an array and light-splitting structures set on surfaces of the plurality of crystal elements, the light-splitting structures jointly define a light output surface of the crystal array; a semiconductor sensor array, which is set in opposite to the light output surface of the crystal array and is suitable to receive photons from the light output surface, the semiconductor sensor array comprises a plurality of semiconductor sensors arranged in an array.

Apparatus and method for PET detector

The present disclosure relates to a detector apparatus. The detector apparatus may include a detecting module, an electronics module and a cooling assembly. The detecting module may be configured to detect radiation rays emitted from a subject and generate electrical signals in response to detection of radiation rays. The electronics module may be configured to process the electrical signals generated by the detecting module. The cooling assembly may be configured to cool the detecting module and the electronics module. The cooling assembly may include a first layer and a second layer. The first layer may be thermally connected with the detecting module, and the second layer may be thermally connected with the electronics module.

System and method for PET imaging

Methods and systems for detecting a three-dimensional position of a scintillation event converting a radiation into a light. For example, a system includes a crystal array including a plurality of crystal elements arranged at least along a first direction and a second direction, the plurality of crystal elements extending along a third direction between a first end and a second end, the plurality of crystal elements being configured to receive the radiation entered from the second end; wherein: the plurality of crystal elements is arranged into a plurality of crystal pairs; each of the plurality of crystal pairs optically coupled to one light bridge at the first end extending and bridging light along the first direction; each of the plurality of crystal pairs is optically coupled for the light in the second direction with at least a neighboring crystal pair only through two light tunnels.

Devices, systems and methods for determining depth of interaction in Positron Emission Tomography detectors

Apparatus and method for pet detector

An apparatus, system, and method involving one or more sparse detectors are provided. A sparse detector may include an array of scintillator crystals generating scintillation in response to radiation and an array of photodetectors generating an electrical signal in response to the scintillation. A portion of the scintillator crystals may be spaced apart by substituents or gaps. The distribution of the substitutes or gaps may be according to a sparsity rule. At least a portion of the array of photodetectors may be coupled to the array of scintillator crystals. An imaging system including an apparatus that may include one or more sparse detectors is provided. The imaging system may include a processor to process the imaging data acquired by the apparatus or system including the one or more sparse detectors. The method may include preprocess the acquired image data and produce images by image reconstruction.

Apparatus, method and system for sparse detector

The present disclosure relates to devices, systems and methods for determining a position of a photon gamma interaction in a PET detector. The PET detector may include a crystal array and a single-end read-out structure. The single-end read-out structure may include a photon-sensor array optically coupled with the crystal array. The crystal array may include a plurality of crystal elements arranged along a first direction and a second direction. The crystal elements may form a plurality of crystal groups along the first direction. The PET detector may further include a plurality of optical separators of the same or different lengths configured to control light transmission in the PET detector. The position of the photon gamma interaction in a crystal group may be determined based on output information of the photon-sensor array optically coupled with the crystal group.

Devices, systems and methods for determining depth of interaction in positron emission tomography detectors

Some embodiments of the present disclosure relates to a method and system for generating crystal lookup table (CLT) based on a flood histogram. The method may include receiving a flood histogram of a subject; determining a crystal central position map based on the flood histogram, the crystal central position map including a plurality of crystal central positions, forming rows and columns of the plurality of crystal central positions to generate a labelled crystal lookup table, forming a template based on the rows and the columns in the labelled crystal central position map, and correcting the labelled crystal central position map based on the template and the flood histogram to obtain a corrected crystal central position map. A crystal lookup table may be formed.

Method and system for crystal identification

Growing community of inventors

Shanghai, China

Shaohui An