高压注射器使用 放射科 : 叶晓欣. 开机作业  1. 检查设备电源系统 ( 如插座、开关、电线及 联机接头各部位是否有异常或破损 )  2. 各个部位是否有异常  3. 按正常程序开机,按主控制板的开关按键.

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高压注射器使用 放射科 : 叶晓欣

开机作业  1. 检查设备电源系统 ( 如插座、开关、电线及 联机接头各部位是否有异常或破损 )  2. 各个部位是否有异常  3. 按正常程序开机,按主控制板的开关按键

一般规定: A 为显影剂; B 为生理盐水

预热装置

针筒与注射器的连接  首先将注射头抬高 至仰角 60 度以上, 一 般呈 90 度, 方便操作。  填装时, 将新的 200ml 注 射筒标记线 ( 如图 1) 对准 机器上的标志 “ ” 处,逆 时针旋转,即可将注射 针筒装入。 注射筒 处有一 条标志 此处有 2 个 “ ”

按数字可更 改注射药量 按 Start Auto-Fill, 机 器自动抽药

 自动抽药时, 机器会先抽 25CC 后排出, 再进行抽药  抽药时注意无菌操作,避免抽入空气

 单管 : 注射筒连接螺旋管即可 此端接 18G 针头 连接针筒与延长管

 双管 : 将 Y 形连接管接 上两支注射筒 注意 : 短端接显影剂, 长 端接生理盐水

 顺时针排气  排气时应先将显影剂排 到 Y 形管的接点部分然 后再使用生理食盐水端 的旋钮把所有气体排出 直到 Y 形连接管全部充 满液体为止。 排除气泡 防逆流装置

注射器控制机台 可调整速率 可调整药量 可改变 “A” 或 “B” 管 可改变给药组数 固定的设定参 数,方便操作

 排完气后, 将 注射器下摆 确定无气 泡后, 按 此按键

注射速率及测试  注射速率调整依 照医嘱设定  测试病人的静脉承受注 射器的流速能力以及是 否有漏针  在注射头荧幕上按下 “Patency Check” 的按 钮。 “Patency” 按键 可知道给药后 多长时间

异常情况的处理 若正常安装高压注 射筒后,没有出现 图 -2 的画面,而是 出现图 -3 的画面, 可拨动图 -4 ,蓝色 开关,这样就能回 到图 -2 的画面进行 正常的抽药程序。  图 -1  图 -2  图 -3  图 -4  无法出现抽药画面

“Enable” 无法改变颜色  查看是否有排气,若无排气,做排气动作  若排气后仍是无法改变颜色,查看是否为总药量少于给药 量,此时 “ ” 部分会闪红色,提示,改变给药量,可排除

清洁与处理  触控屏幕染污, 用较干的抹 布擦干即可  装设装置染污, 应拆卸清洗