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公开(公告)号:US07922646B2
公开(公告)日:2011-04-12
申请号:US10568728
申请日:2004-08-20
IPC分类号: A61N5/00
CPC分类号: A61N5/1027 , A61N2005/1023 , A61N2005/1024
摘要: An implantable source (40) of therapeutic radiation for brachytherapy is provided as a sealed, biocompatible capsule (410) of plastic (e.g. polyethylene or PEEK) transparent to the radiation. The capsule contains a radiation source (400) comprising particles of a radioactive isotope (e.g. Pd103, I125, Cs131) in a fluid carrier that is resistant to radiation polymerization but solidifies at elevated temperature. It also has a marker (420), and desirably has a socket (430) which accommodates attaching spacers (660) and makes possible linear strands and planar arrays of the capsules. The spacers may be functional, e.g. heat-generating or medication-releasing.
摘要翻译: 提供用于近距离放射治疗的治疗辐射的可植入源(40)作为对辐射透明的塑料(例如聚乙烯或PEEK)的密封的生物相容性胶囊(410)。 胶囊包含辐射源(400),该辐射源包括在辐射聚合中耐受辐射聚合但在升高的温度下固化的流体载体中的放射性同位素(例如Pd103,I125,Cs131)的颗粒。 它还具有标记(420),并且期望地具有容纳附接间隔物(660)的插座(430),并且使胶囊的线性线束和平面阵列成为可能。 间隔物可以是有功能的。 发热或放药。