Figure 1From: Influence of ischemia before vein grafting on early hyperplasia of the graft and the dynamic changes of the intima after grafting Surgery. The vein was punctured with a intravenous remained trocar of 22G and was ligated on it (left image). Subsequently, the vein and trocar were removed. The infusing process was very simple and unproblematic, the vein did not spasm, and the procedure was carried out quickly (right image).Back to article page