采用高紧密进口设备制造的导管，进口医用级热敏性高分子材料为原料，使导管具有良好的柔韧性和弹性，可降低病人在留置时的痛苦。
Imported medical grade heat-sensitive polymer materials as raw materials to make pipe has good flexibility and elasticity of. Can reduce the pain of patients in retention.
密封通道内孔进口与导纱器相通，密封通道内孔出口连接一与动力源相连的导管。
An inner hole inlet of the sealed channel is communicated with the yarn guider, and an inner hole outlet of the sealed channel is connected with a power supply.
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