Conclusions The posterior coaxial portals via PTT sheath for ankle arthroscopy have such advantages as easy maneuverability, superior safety, clear vision and larger operation field under arthroscopy.

结论经胫后肌腱鞘的踝关节镜后方共轴入路，具有操作简便、安全性好、镜下视野清楚、操作空间大的优点。

youdao

This paper also introduces 8 measures to reduce bleeding during operation, so as to make the operation field clear, avoid residue and recurrence.

本文还提出了减少术中出血的8种措施，力求手术视野清晰，防止残留和复发。

youdao

The utility model has the advantages of simple structure, clear image, easy operation, complete function, low cost, and wide applications in the technical field of teaching, scientific research, etc.

该机结构简单，成象清晰，易于操作、功能齐全，造价低廉，可广泛用于教学、科研等领域。

youdao

It has nothing to do -- (laughter) -- no, no, this has nothing to do -- we have been absolutely clear about the fact that this operation used a tactic that originated in a field office that was flawed, that was wrong, and that had terrible consequences for the Terry family, and should not have been employed.

WHITEHOUSE: Press Briefing