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Scopes Too Flexible...and Too Stiff

机译:范围太灵活...太硬

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摘要

Flexible endoscopes [1] are widely used in clinical practice. A flexible endoscope (Figure 1) generally consists of a flexible shaft that contains channels for air, water, instruments, and electric wires. At the distal end of the flexible shaft is a 4¿10-cm-long steerable tip. In the tip, there are a digital camera chip, light provided by light emitting diodes (LEDs) or glass fibers, and the exits of air, water, and instrument channels. At the proximal end of the flexible shaft, there is a grip with one or two control wheels or handles that are used to bend the tip in one or two directions. The entrance of the instrument channels are also embodied in the grip and can be used to insert small forceps, needles, or electrocautery instruments with a long flexible shaft through the endoscope shaft. These can then be used to do biopsies or surgeries close to the endoscope tip.
机译:柔性内窥镜[1]在临床实践中被广泛使用。柔性内窥镜(图1)通常由柔性轴组成,该轴包含用于空气,水,仪器和电线的通道。柔性轴的远端是一个4×10厘米长的可操纵尖端。在笔尖中,有一个数码相机芯片,由发光二极管(LED)或玻璃纤维提供的光以及空气,水和仪器通道的出口。在柔性轴的近端,有一个带有一个或两个控制轮或手柄的手柄,用于将尖端向一个或两个方向弯曲。器械通道的入口也体现在手柄中,可用于将带有长挠性轴的小型镊子,针头或电烙术器械插入内窥镜轴。然后可以将其用于在内窥镜尖端附近进行活检或手术。

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