| 摘要 |
The guide wire comprises an elongated flexible shaft 2 which is tubular. A helical coil assembly 4 of radiopaque material comprises a first coil 5 having a proximal portion 6 threadedly force fitted into the tubular portion 3 of shaft 2. A second coil 8 has a proximal portion 9 surrounding and threadingly engaging the distal portion 7 of the first coil, and a distal portion 10 terminating into a tip 15.
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