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    • 1. 发明授权
    • Process for the preparation of 10-methoxycarbamazepine
    • 制备10-甲氧基氨基甲脒的方法
    • US06670472B2
    • 2003-12-30
    • US10269084
    • 2002-10-09
    • Shahid Akhtar AnsariRavindra BhatAshok Krishna Kulkarni
    • Shahid Akhtar AnsariRavindra BhatAshok Krishna Kulkarni
    • C07D22322
    • C07D223/26C07D223/28Y02P20/582
    • A process for the preparation of 10-methoxycarbamazepine, an important intermediate in the preparation of 10-oxo-10, 11-dihydro-5H-dibenz(b,f)azepine-5-carboxamide(oxcarbazepine) from 10-methoxy-5H-dibenz(b,f)azepine(10-methoxyiminostilbene), is disclosed, which process comprises reacting 10-methoxyiminostilbene with cyanic acid (HOCN) in the presence of a mild acidic reagent in a solvent. Also disclosed is an improved method for the hydrolysis of 10-methoxycarbamazepine to oxcarbazepine, which method comprises carrying out the hydrolysis in a biphasic system chosen such that the oxcarbazepine is substantially insoluble in both phases, whereas the by-products or impurities are soluble in at least one of the phases. The oxcarbazepine thereby prepared is an anticonvulsant, and has been proposed for use as an anti-epileptical agent in the treatment of AIDS-related neural disorders, and for the treatment of Parkinson's disease and/or Parkinsonian syndromes.
    • 制备10-甲氧基氨基马西平的方法,10-甲氧基-5-氨基甲酰胺,10-氧代-10-二氢-5H-二苯并(b,f)吖庚因-5-甲酰胺(奥卡西平),10-甲氧基-5H- 二苯并(b,f)吖庚因(10-甲氧基亚氨基芪),该方法包括在温和酸性试剂存在下在溶剂中使10-甲氧基亚氨基芪与氰酸(HOCN)反应。 还公开了一种用于将10-甲氧基氨基甲脒水解成奥卡西平的改进方法,该方法包括在选择的双相系统中进行水解,使得奥卡西平基本上不溶于两相,而副产物或杂质可溶于 至少有一个阶段。 由此制备的奥卡西平是抗惊厥药,并且已被提出用作抗癫痫剂用于治疗AIDS相关的神经障碍,并用于治疗帕金森病和/或帕金森综合征。
    • 2. 发明申请
    • STEERING SYSTEM AND A CATCHER SYSTEM
    • 转向系统和捕获系统
    • US20120232476A1
    • 2012-09-13
    • US13508560
    • 2010-11-08
    • Ravindra BhatDennis Erwin BosAntonius Maria RijkenMichel Gerardus PardoelSait Izmit
    • Ravindra BhatDennis Erwin BosAntonius Maria RijkenMichel Gerardus PardoelSait Izmit
    • A61M25/092B65H51/10
    • A61M25/0113A61B1/00147A61B8/12A61B8/42A61B34/30A61B2034/301A61M25/09041
    • A steering system (30) comprises two radially oppositely arranged drive wheels (1; 3) for steering a tubular object (5) positioned between the drive wheels (1; 3). The drive wheels (1; 3) each have a wheel rotation axis (40; 42) and each include a plurality of rollers (7) distributed around the wheel rotation axis (40; 42). The rollers (7) are rotatably arranged, each roller having a roller rotation axis (44) and an outer drive face (58) concavely vaulted in a direction corresponding to its roller rotation axis (44). The roller rotation axis (44) is obliquely oriented in relation to the wheel rotation axis (40; 42) and the rollers (7) of each drive wheel (1; 3) form together a steering periphery for the tubular object (5). The steering system enables continues rotation of a tubular object without danger that the object will lose the contact with the rollers. The steering system (30) may be incorporated in a catheter system which comprises a catheter (5).
    • 转向系统(30)包括两个径向相对布置的驱动轮(1; 3),用于转向位于驱动轮(1; 3)之间的管状物体(5)。 驱动轮(1; 3)各自具有车轮旋转轴线(40; 42),并且每个包括围绕车轮旋转轴线(40; 42)分布的多个辊子(7)。 辊(7)可旋转地布置,每个辊具有在与其辊旋转轴线(44)对应的方向上凹入地弯曲的辊旋转轴线(44)和外驱动面(58)。 辊旋转轴(44)相对于车轮旋转轴线(40; 42)倾斜定向,并且每个驱动轮(1; 3)的辊(7)一起形成用于管状物体(5)的转向周边。 转向系统能够持续地旋转管状物体,而不会危及物体将失去与辊的接触。 转向系统(30)可以结合在包括导管(5)的导管系统中。
    • 8. 发明授权
    • Patient handling system whereby a patient table top can move over a table base
    • 患者台面可以在桌子底座上移动的患者处理系统
    • US07810187B2
    • 2010-10-12
    • US11817694
    • 2006-03-07
    • Arthur Robert Van EsRavindra Bhat
    • Arthur Robert Van EsRavindra Bhat
    • A61B6/04A61G13/02
    • A61B6/0457
    • A patient handling system comprising a table top (6) for carrying a lying patient (8). The table top (6) is supported by a table base (1) and the table top (6) can move in longitudinal direction over said table base (1) so that at least a part of the table top (6) can be displaced to a position away from said table base (1). At least a portion (1;4) of said table base (1), to which portion (1;4) the table top (6) is movably attached, can be displaced in substantially said longitudinal direction in which the table top (6) can move. Thereby, said table top (6) can be displaced in longitudinal direction over a distance which is larger than the length of the table top (6).
    • 一种患者处理系统,包括用于承载躺卧患者(8)的台面(6)。 台面(6)由台座(1)支撑,桌面(6)能够在所述台座(1)上沿纵向移动,使台面(6)的至少一部分能够移位 到远离所述台座(1)的位置。 所述台架(1)的至少一部分(1; 4)可移动地连接到桌面(6)的部分(1; 4)上, )可以移动。 因此,所述桌面(6)可以在长度方向上移动一个比台面(6)的长度大的距离。