PET/CT探测器的发展状况_晶体 - 搜狐
2019年8月16日 · PET探测器(Detector)是PET、PET/CT等分子成像设备的重要组成部分。 PET探测器的材料组合、结构设计和性能直接影响PET、PET/CT等分子成像设备在临床和科研中应用，探测器的优劣直接决定着PET系统的好坏。
A review of digital PET-CT technology: Comparing performance …
2024年1月1日 · Lutetium-based LYSO and LSO are the most preferred PET crystals. The cross-comparison of digital PET-CT performance parameters such as model type, sensitivity, type of crystal, AFOV coverage, TOF resolution, scintillation crystal dimensions, photodetector, and integrated CT model are shown in Table 2.
Digital LSO-based PET detector - Siemens Healthineers
Biograph™ mCT and Biograph Horizon digital detectors offer PET/CT imaging with high, 78-mm 3 volumetric resolution 2 due to the small, 4 x 4-mm lutetium oxyorthosilicate (LSO) crystal elements and the ability to offer true TOF for performance and clinical advantages.
A comparison of BGO, GSO, MLS, LGSO, LYSO and LSO scintillation ...
Abstract: We are developing very-high resolution detector blocks for animal PET applications. We studied different scintillating crystals materials, BGO, GSO, LSO, MLS, LGSO, and LYSO, to determine the most suitable material for a low cost and high-resolution detector.
核医学影像科普之——PET晶体和光电倍增管 - 知乎
光电倍增管是PET探头的另一个关键部件，目前市场上PET使用的有2类。 一、真空型光电倍增管： 主要由光阴极、电子聚焦系统、多级倍增极和阳极组成。 制造工艺复杂，难微型化，批次间性能相同难，价格难降。 制造工艺简单（对现代技术言），易微型化，价格易降。 光电倍增管的选择依据主要是综合考虑. 01 飞行时间技术TOF越来越成熟，目前最关注时间参数。 02 光电倍增管的性能随着时间漂移，温度变化漂移，老化，预热等都会影响到性能，目前关注稳定性。 03 …
Advances in time-of-flight PET - ScienceDirect
2016年1月1日 · The improved properties of LSO provided higher sensitivity, improved spatial resolution, reduced deadtime and random coincidences, and also helped facilitate the use of fully-3D PET (no septa) as the standard design for modern PET systems [21].
Prospects for time-of-flight PET using LSO scintillator
1999年6月30日 · We present measurements of the timing properties of lutetium orthosilicate (LSO) scintillator crystals coupled to a photomultiplier tube (PMT) and excited by 511 keV photons. These crystals have dimensions suitable for use in PET cameras (3/spl times/3/spl times/30 mm/sup 3/).
Understanding the intrinsic radioactivity energy spectrum from
2018年11月23日 · Lutetium oxyorthosilicate (LSO) or lutetium yttrium oxyorthosilicate (LYSO) are the scintillator materials most widely used today in PET detectors due to their convenient...
Detectors in positron emission tomography - ScienceDirect
2023年2月1日 · Since the first PET designs, research in scintillation crystals and light sensors has tremendously improved PET detectors as well as overall system performance. In this brief review, we describe most important developments in PET …
硅酸镥（LSO）是常见闪烁体 在PET/CT领域发展潜力大
2023年8月14日 · 硅酸镥（lso），一种无机闪烁体，具有发光强度高、响应速度快、衰减时间短等优点，可以广泛应用于高能物理、核物理、核医学、安全检查等领域。 以闪烁体为材料制成的探测器，可以探测、、、X射线以及中子，被广泛应用于高能物理、核物理、核医学 ...