NEMA NU 4-2008 標(biāo)準(zhǔn)提出了一種用于評估專為小動物成像設(shè)計的正電子發(fā)射斷層掃描儀 (PET) 性能的標(biāo)準(zhǔn)化方法。
使用 µPET 系統(tǒng)進(jìn)行散射分?jǐn)?shù)、計數(shù)損失和隨機(jī)重合測量的模型是根據(jù) NEMA NU4-2008(第 4 節(jié))規(guī)范設(shè)計的。
QRM Micro-PET散射模體,QRM-MicroPET-Scatter模體由高密度聚乙烯制成。提供三種不同類型的模體,分別代表小鼠、大鼠或猴子的大小。
小鼠模體:
直徑:25mm
長度:70mm
線源孔:3.2mm, 偏離中心10 mm
大鼠模體:
直徑:50mm
長度:150mm
線源孔:3.2mm, 偏離中心 17.5 毫米
猴子模體:
直徑:100mm
長度:400mm
線源孔:3.2mm, 偏離中心 30 毫米
According to the NEMA standard NU4-2008, this phantom provides theopportunity to buate theperbance of Micro-PET systems.
The NEMA NU 4-2008 standard proposes a standardized bology for buating the perbance of positron emission tomographs (PET) designed for small animal imaging.
The phantoms for scatter frb, count losses and random coincidence measurements with µPET systems are designed according to the NEMA NU4-2008 (section 4) specifications.
The phantoms are made from High density Polyethylene. Three different types of phantoms are available, that represent a mouse, rat or monkey size.