该管心针（210）如此构成，从而其远端根据张力施加装置220的操作而有效弯曲。
The stylet 210 is structured such that its distal end bends actively according to the operation of the tension-conferring device 220.
该管心针（210）如此构成，从而其远端根据张力施加装置220的操作而有效弯曲。
The stylet 210 is structured such that its distal end bends actively according to the operation of the tension-conferring device 220.
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