一、材料: 1、“8”号注射针头1只,“7”号静脉注射针头1只; 2、焊锡稍许,焊媒(磷酸锌粘固液)稍许;3、合金箔(以静脉注射针头金属把柄代替)稍许. 二、制作器械: 1、电烙铁一把;2、口矫科砂轮、抛光机一台;3、口矫科月牙钳一把(可用持针器代替);4、口矫科钢剪刀一把. 三、制作: 1、剪制×5mm~2的金属箔;2、将“7”号静脉针头去除把柄,距末端7mm处侧折30°;3、用剪制的合金箔 First, the material: 1, “8” No. 1 injection needle, “7” No. 1 intravenous injection needle; 2, a little solder, the solder paste (zinc phosphate cement slightly); 3, Metal handle instead) a little. Second, the production equipment: 1, a soldering iron; 2 mouth orthopedic wheel, a polishing machine; 3 mouth orthodontic crescent forceps (needle holder can be used instead); 4, the mouth Orthopedic steel scissors 3. Third, the production: 1, cut × 5mm ~ 2 metal foil; 2, the “7” No. vein needle to remove the handle, from the end of 7mm side fold 30 °; 3, with the cut Alloy foil