Method : We accept indwelling needle at vena saphena magna near medial malleolus and cephanus vena at wrist.
方法：选择下肢内踝大隐静脉和上肢腕部头静脉，使用静脉留置针。
2
High concentration emulsified isoflurane could damage endothelial cells and weak the relaxation response of the saphena vessel significantly.
高浓度乳化异氟烷对血管内皮有明显损伤作用，对大隐静脉舒张功能有明显影响。
3
Septocutaneous perforator: in 4 saphena arteria flaps and 6 internal low leg flaps, the colour signals of the axial artery were founded through the intermuscular septum.