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    • 6. 发明授权
    • Method and apparatus for the delivery of brachytherapy
    • 用于近距离放射治疗的方法和装置
    • US07041047B2
    • 2006-05-09
    • US10264637
    • 2002-10-04
    • Barry N. GellmanJozef SlandaKimberly PaddockDouglas Godshall
    • Barry N. GellmanJozef SlandaKimberly PaddockDouglas Godshall
    • A61N5/00
    • A61N1/406A61N5/1027A61N2005/1009A61N2005/1011A61N2005/1024A61N2005/1025
    • A brachytherapy device includes a radiation source and a multi-cannula delivery system for implantation of the radiation source into a body tissue site. The radiation source may be, for example, a substantially straight round wire, a substantially straight flat wire, a detented wire, an embossed wire, a bristled wire, a shaped resilient wire, a twisted round wire, a twisted flat wire, or a coil with or without an inner core, and is adapted for implantation into a body tissue site and for delivery of radiation to the body tissue site. The multi-cannula delivery system includes an outer cannula, an outer stylet, an inner cannula, and an inner stylet. Different configurations of the radiation source according to embodiments of the invention improve distribution of the radiation field in the longitudinal direction and resistance to migration of the radiation source inside a patient's body. The multi-cannula delivery system provides for faster and more accurate placement of the radiation source.
    • 近距离放射治疗装置包括辐射源和用于将辐射源植入身体组织部位的多插管递送系统。 辐射源可以是例如基本上直的圆形线,基本上直的扁平线,歪斜线,压纹线,刷毛线,成形弹性线,扭曲圆线,扭绞扁线或 具有或不具有内芯的线圈,并且适于植入体内组织部位并将辐射传送到身体组织部位。 多套管递送系统包括外套管,外管心针,内插管和内探针。 根据本发明的实施例的辐射源的不同配置改善了辐射场在纵向方向上的分布和抵抗辐射源在患者体内的迁移。 多插管递送系统提供了更快更准确地放置辐射源。