关节镜监视下的手舟骨骨折内固定的进钉应从手舟骨结节的远端中点进入，方向平行于手舟骨的主要血管束。

The screw should be entered from the middle of the distal portion of the scaphoid node and paralleled the main blood vessel of scaphoid under arthroscopy.

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前言：目的：对比加压钢板(CP)与髓内钉(IN)固定下骨折愈合过程的血管形成，探讨不同内固定下骨折愈合血管形成的特点。

AIM: to compare the effects of compression plate and intramedullary nail on angiogenesis in the course of fracture healing, and to explore its characteristics by different internal fixation.

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