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    • 49. 发明申请
    • VIBRATING KNIFE AND EXCISION APPARATUS
    • 振动刀和实验装置
    • US20090259245A1
    • 2009-10-15
    • US12491348
    • 2009-06-25
    • Tadashi HayashiYasushi Miura
    • Tadashi HayashiYasushi Miura
    • A61B17/32
    • A61B17/320068A61B2017/320082
    • Demands have arisen for a vibrating knife such as a biometrical ultrasonic knife which can easily obtain sharp cut surfaces with little possibility of contamination and the like. In order to meet the demands, the excision portion of a vibrating knife such as a biometrical ultrasonic knife which is brought into contact with an excision target such as living body tissue and vibrated in a direction at an angle to the traveling direction in excision so as to excise the target is coated such that the surface of the portion located on the forward side in the traveling direction in excision becomes hydrophobic, and the surface of the portion located on the backward side in the traveling direction in excision becomes hydrophilic.
    • 对于诸如生物超声波刀的振动刀产生了需求,其可以容易地获得尖锐的切割表面,几乎没有污染的可能性等。 为了满足要求,切除与诸如生物体组织的切除靶接触的生物超声波刀等振动刀的切除部分,并在切除时沿与行进方向成一定角度的方向振动,以便 为了切除目标物,使得切除行进方向的前侧的部分的表面变得疏水,并且切除行进方向的位于后侧的部分的表面变得亲水。
    • 50. 发明授权
    • Optical encoder
    • 光学编码器
    • US06803560B1
    • 2004-10-12
    • US09588549
    • 2000-06-07
    • Ichiro OkumuraYasushi MiuraMasahiko IgakiManabu Takayama
    • Ichiro OkumuraYasushi MiuraMasahiko IgakiManabu Takayama
    • G01D534
    • G01D5/38
    • An optical encoder has a light irradiating device; an optical scale having a grating for transmitting or reflecting incident light; light-receiving elements disposed in a plurality of different directions; and an optical system for amplitude-modulating light traveling from the light irradiating device to the optical scale and transmitted or reflected by the grating, by a dividing element in which a plurality of V-shaped grooves are juxtaposed, and for dividing the amplitude-modulated light into beams along a plurality of different directions to guide the beams to the respective light-receiving elements. The dividing element is comprised of repetitions of such structure that a plurality of V-grooves consisting of planes of mutually different angles are juxtaposed at a predetermined pitch.
    • 光学编码器具有光照射装置; 具有用于透射或反射入射光的光栅的光学刻度; 设置在多个不同方向的光接收元件; 以及光学系统,用于通过其中并置有多个V形槽的分割元件将从光照射装置传播到光刻尺的光进行幅度调制,并由光栅传播或反射,并用于将幅度调制 沿着多个不同方向将光束导入光束以将光束引导到相应的光接收元件。 分割元件由这样的结构的重复组成,即由以相互不同的角度的平面组成的多个V形槽以预定间距并置。