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    • 4. 发明公开
    • Intravascular radiation delivery device
    • Vorrichtung zurintravaskulärenBestrahlung
    • EP0867200A2
    • 1998-09-30
    • EP98302179.1
    • 1998-03-24
    • Navius CorporationTHE CLEVELAND CLINIC FOUNDATION
    • Ciezki, Jay P.Jung, Eugene J., Jr.
    • A61N5/10
    • A61N5/1002A61N2005/1005
    • A delivery device and method for delivering a dosage of radiation from a radiation source to a treatment site of a vessel is provided herein The delivery device includes a catheter and a delivery area. The catheter is suitable for being inserted into a vessel lumen of the vessel and includes a delivery lumen for receiving the radiation source. The delivery area also receives the radiation source. The delivery area includes an attenuator section for attenuating a portion of the radiation emitting from the radioactive area so that the delivery area emits an eccentric radiation profile. The delivery device can also include a catheter supporter which inhibits rotational deformation in the catheter between a catheter distal end and a catheter proximal end. This allows the delivery area to be precisely rotated to properly position the attenuator section within the vessel lumen.
    • 本文提供了一种用于将辐射源的剂量输送到容器的治疗部位的输送装置和方法。输送装置包括导管和输送区域。 该导管适于插入容器的血管腔,并且包括用于接收辐射源的输送腔。 输送区域还接收辐射源。 输送区域包括用于衰减从放射性区域发射的辐射的一部分的衰减器部分,使得输送区域发射偏心辐射轮廓。 输送装置还可以包括导管支撑件,其阻止导管远端和导管近端之间的导管中的旋转变形。 这允许输送区域被精确地旋转以将衰减器部分适当地定位在血管内腔内。