医用留置针回血仪测试仪是根据YY0285有关标准而设计制造，技术性能和指标完全符合*医药行业有关标准，专门用于导管流量的测量。

医用留置针回血仪测试仪由智能控制器、测力机构、测距机构、打印机等部分组成。其中智能控制器由CPU、主板、键盘、电源等部分组成。，用键盘控制光标进行选项、操作、设定，无须培训即可按照提示来操作使用。

① 汽缸要求：圆形，行程6cm，0.3~0.7MPa的压力，速度是10mm/s，，
管长105mm （现用汽缸：外形105mm，行程：60mm；
品牌：亚德克，J/No PC 0214, Max. Press. 9.9kgf/cm2  Psi）
外径：15mm，一次性使用静脉留置针（征求意见稿）。

② 计时分辨力： 0.01s   0~60分钟可调 ，尺寸：400×290×240（mm）

The blood test instrument for medical indwelling needle is designed and manufactured according to the relevant standa* of YY0285. The technical performance and indexes are in full compliance with the relevant standa* of the national pharmaceutical industry, and are specially used for the measureme*f catheter flow.
The tester for medical indwelling needle blood return instrument c*ists of an intelligent co*oller, a force measuring mechani*, a distance measuring mechani*, a printer and the like. The intelligent co*oller is com*ed of CPU, mainboard, keyboard, power supply and so on. The keyboard co*ols the cursor for opti*, operati* and settings without training.
Cylinder requirements: round, stroke 6cm, 0.3~0.7MPa pressure, speed is 10mm/s,,
The length of 105mm (now with the cylinder: shape 105mm, stroke: 60mm;
Brand: J/No PC 0214, Yadeke, Max. Press. 9.9kgf/cm2 Psi)
External diameter: 15m*s*able i**enous indwelling needle (draft).
Timing resolution: 0.01s 0~60 minutes adjustable, size: 400 * 290 * 240 (mm)