Methods: The indwelling venipuncture needle which matched laser device was used to give Heliu-Neon laser blood vessel internal irradiation in median antebrachial vein or basilic vein.

• 方法:选择与激光针规格相匹配的静脉穿刺留置针,取前臂肘正中静脉或贵要静脉进行氦-氖激光治疗。