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    • 7. 发明申请
    • METHOD AND APPARATUS FOR CANCER THERAPY
    • 癌症治疗方法与装置
    • US20120078160A1
    • 2012-03-29
    • US13225073
    • 2011-09-02
    • Kathleen McMillan
    • Kathleen McMillan
    • A61M37/00A61B18/20
    • A61N5/0603A61B18/203A61B2017/00765A61B2018/00029A61B2018/00452A61B2018/00458A61N5/0601A61N5/062A61N2005/061A61N2005/0659A61N2005/0662A61N2005/067
    • Disclosed herein are methods and apparatus for treating bladder cancer. Example apparatus include a laser or other source that generates visible or near-infrared radiation and a cytoscope to deliver and apply the radiation to a treatment site, such as the urothelial surface of the bladder. The radiation alters the permeability of at least one layer of the bladder wall, allowing more efficacious administration of chemotherapeutic or anticancer agent to the bladder lumen during or after application of the radiation. Permeability of the bladder wall may be altered by damaging suburothelial blood vessels, such as those of the lamina propria of the bladder wall, or by damaging the urothelium and suburothelial blood vessels of the bladder in a patient with bladder cancer. Damage to the urothelium induced by the radiation may be of a continuous or discontinuous nature. Treatment may also cause regression or destruction of (pre)malignant tissue in the urothelium and suburothelium.
    • 本文公开了治疗膀胱癌的方法和装置。 示例性装置包括产生可见或近红外辐射的激光或其它源,以及用于将辐射递送并施加到治疗部位(例如膀胱的尿路上皮表面)的细胞镜。 辐射改变至少一层膀胱壁的渗透性,允许在施加辐射期间或之后更有效地施用化学治疗剂或抗癌剂至膀胱腔。 膀胱壁的渗透性可以通过损害诸如膀胱壁固有层的神经上皮血管,或通过在膀胱癌患者中损害膀胱的尿路上皮和上皮血管来改变。 由辐射引起的尿路上皮的损伤可能是连续的或不连续的。 治疗也可能导致尿路上皮和亚底膜中的(前)恶性组织的消退或破坏。