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    • 1. 发明授权
    • Laser diagnostic and treatment device
    • 激光诊断和治疗装置
    • US4928695A
    • 1990-05-29
    • US312887
    • 1989-02-17
    • Leon GoldmanEllet H. DrakeSteven Goldman
    • Leon GoldmanEllet H. DrakeSteven Goldman
    • A61B1/04A61N5/06A61N5/067
    • A61N5/0601A61B1/042A61N2005/067
    • An apparatus for detecting and treating abnormal electrical conducting tissue of an organ of the body which comprises a catheter insertable within a blood vessel or body cavity into proximity with the organ to be treated. An electrode or other electrical field-producing element is carried within the catheter and is effective to produce an electric field capable of inducing abnormal movement of the organ, e.g., a cardiac arrhythmia, when the electrode is placed at or near the focus of the abnormal electrical conducting tissue of the organ. A relatively undistorted image of such abnormal tissue is obtained using optical phase conjugation of a low energy laser beam which is directed to the focus of the damaged tissue and the along one or more optic fibers carried within the catheter to a viewing apparatus. A laser beam transmitted through another optic fiber carried within the catheter is then employed, if necessary, to destroy the damaged tissue.
    • 一种用于检测和处理身体器官的异常导电组织的装置,其包括可插入血管或体腔内的导管,以与被治疗器官接近。 电极或其他电场产生元件被携带在导管内,并且有效地产生能够引起器官的异常运动的电场,例如心律不齐,当电极置于或接近异常的焦点时 器官的导电组织。 使用低能量激光束的光相位共轭获得这种异常组织的相对不失真的图像,该低能量激光束被引导到受损组织的焦点,并且沿导管内承载的一个或多个光纤被引导到观察装置。 然后如果需要,则使用透射穿过导管内的另一光纤的激光束来破坏受损组织。