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    • 1. 发明授权
    • Endoscope apparatus
    • 内窥镜装置
    • US08194380B2
    • 2012-06-05
    • US11567885
    • 2006-12-07
    • Masanao MurataTakashi Suzuki
    • Masanao MurataTakashi Suzuki
    • H02H3/22A61B1/04
    • H02H9/008G02B23/2492
    • A scope unit 2 including a control unit 3 and an insertion portion 4 is attached to a main unit 1 via a scope connector 5. An optical adaptor 8 is attached to a tip of the insertion portion 4. The CCD 31, HICs 32, 33, and the thermistor 34 are attached to the tip of the insertion portion 4. A liquid crystal module 36 is attached to the optical adaptor 8. A barrier circuit 64 limits energy supplied to these components in a circuit disposed in the scope unit 2. By disposing the barrier circuit 64 in the scope connector 5, the portion extending from the barrier circuit 64 to, i.e., the control unit 3, the insertion portion 4, and the optical adaptor 8 are of the explosion-proof construction. Thus, these can be used in a hazardous explosive location. Thus, an endoscope apparatus that can be used in combustible gas or dust can be provided.
    • 包括控制单元3和插入部分4的示波器单元2通过示波器连接器5附接到主单元1.光学适配器8附接到插入部分4的尖端。CCD 31,HIC 32,33 ,并且热敏电阻34附接到插入部分4的末端。液晶模块36附接到光学适配器8.阻挡电路64限制供给到设置在示波器单元2中的电路中的这些部件的能量。通过 将势垒电路64设置在示波器连接器5中,从阻挡电路64延伸到例如控制单元3,插入部分4和光学适配器8的部分是防爆构造。 因此,这些可以用于危险的爆炸场所。 因此,可以提供可用于可燃气体或灰尘的内窥镜装置。