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    • 6. 发明申请
    • THERAPEUTIC DEVICES FOR THE TREATMENT OF VARICOSITY
    • 用于治疗病变的治疗设备
    • WO2008086376A3
    • 2008-10-09
    • PCT/US2008050545
    • 2008-01-08
    • LIGHT SCIENCES ONCOLOGY INCGUO ZIHONGYEO NICHOLASBURWELL PHILCESPEDES IGNACIOWATTERS WADE
    • GUO ZIHONGYEO NICHOLASBURWELL PHILCESPEDES IGNACIOWATTERS WADE
    • A61N5/06
    • A61B18/24A61N5/0601A61N5/062A61N2005/0652A61N2005/0659A61N2005/0662
    • The present invention provides methods and devices for treating varicosities, including varicose veins, by administering therapeutic energy. In one embodiment, energy is delivered to the interior of a vessel using a catheter containing an energy emitting source, thereby causing ablation of the vessel without damage to surrounding tissue. The methods of the invention may further include the use of a photosensitizer that binds to the interior of the vessel wall or a chromophore, both of which generate localized thermal damage to the interior vessel wall without harming surrounding tissue. In another embodiment, the present invention provides less invasive methods of treating varicosities, which include introducing a heat-activated glue, photosensitizer solution, or heatable liquid into a vessel being treated and administering light from an external source sufficient to activate the glue to close the vessel, activate the photosensitizer to damage the vessel, or heat the liquid to damage the vessel.
    • 本发明提供了通过施用治疗能量来治疗静脉曲张的方法和装置,包括静脉曲张。 在一个实施例中,使用包含能量发射源的导管将能量输送到容器的内部,由此引起容器的消融而不损坏周围的组织。 本发明的方法还可以包括使用光敏剂,其结合血管壁或发色团的内部,两者都会对内部血管壁产生局部热损伤而不伤害周围组织。 在另一个实施方案中,本发明提供了治疗静脉曲张的侵入性较差的方法,其包括将热活化胶,光敏剂溶液或可加热液体引入正在治疗的血管中,并从外部来源施加足以激活胶水的光以封闭 容器,激活光敏剂以损坏容器,或加热液体以损坏容器。