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    • 9. 发明申请
    • TREATMENT OF BRAIN DISEASES VIA ULTRASOUND/MAGNETIC TARGETING DELIVERY AND TRACING OF THERAPEUTIC AGENTS
    • 通过超声波/磁性定向递送和治疗药物的治疗来治疗脑疾病
    • US20120095325A1
    • 2012-04-19
    • US13273368
    • 2011-10-14
    • Kuo-Chen WeiHao-Li LiuMu-Yi Hua
    • Kuo-Chen WeiHao-Li LiuMu-Yi Hua
    • A61B5/055A61N7/00B82Y5/00
    • A61B5/0515A61B5/0042A61M37/0092A61M2210/0693B82Y5/00
    • Disclosed herein is a method for treating a brain disease in which focused ultrasound and magnetic targeting are applied to a subject in need of such treatment, so that therapeutic agent-magnetic nanoparticle composites are directed across the blood-brain barrier to a designated locus inside the brain of the subject. Each of the composites includes a magnetic nanoparticle that is formed of an iron-based core and a shell encapsulating the iron-based core, and a therapeutic agent that is bound to the shell of the magnetic nanoparticle. The magnetic nanoparticle has a size ranging from 5 to 200 nm. The iron-based core has a crystalline structure that imparts the composites with a sufficiently high magnetization, thereby enhancing magnetic targeting of the composites to the designated locus inside the brain of the subject. The magnetic targeting treatment is conducted via a magnet providing a magnetic flux density not less than 0.18 T.
    • 本文公开了一种治疗脑疾病的方法,其中将聚焦超声和磁性靶向应用于需要这种治疗的受试者,使得治疗剂 - 磁性纳米颗粒复合物穿过血脑屏障被引导到内部的指定位点 主题的大脑。 每种复合材料包括由铁基核心和包封铁基核心的壳形成的磁性纳米颗粒,以及结合到磁性纳米颗粒的壳的治疗剂。 磁性纳米粒子的尺寸范围为5〜200nm。 铁基芯具有赋予复合材料足够高的磁化强度的晶体结构,从而增强复合材料对受试者脑内指定位点的磁性靶向。 磁性靶向处理通过提供磁通密度不小于0.18T的磁体进行。