在体重20kg以下的小儿行股静脉穿刺置管测中心静脉压25例。方法是先在腹股沟部摸清股动脉搏动明显点,作标记点A,在其内侧3～5mm处作标记点B,在B点向下作与AB线的垂直线25～30mm处为C点,即穿刺点。以0.5％普鲁卡因作皮丘,以14G针头刺破皮肤,而后用国产16G直径1.6mm、长170mm的留置针从刺破的针眼向B点进针,针体与皮肤夹角约15°,当刺破血管时有一突破感,以注射器回吸、为静脉 In the weight of 20kg pediatric femoral vein puncture catheter measured central venous pressure in 25 cases. Method is to find out in the inguinal Department of pulsatile pulsation obvious points, as marked point A, in the inside of 3 ~ 5mm at the marked point B, down at the B point and the AB line of the vertical line 25 ~ 30mm at the point C , That puncture point. With 0.5% procaine as a pachyderm, puncture the skin with a 14G needle, and then use a homemade 16G diameter 1.6mm, 170mm long indwelling needle from the punctured needle to point B into the needle, needle and skin angle of about 15 °, when the piercing blood vessels have a sense of breakthrough, the syringe back to suction, for the vein