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 standards of YY0285. The technical performance and indexes are in full compliance with the relevant standards of the national pharmaceutical industry, and are specially used for the measurement of catheter flow.
The tester for medical indwelling needle blood return instrument consists of an intelligent controller, a force measuring mechanism, a distance measuring mechanism, a printer and the like. The intelligent controller is composed of CPU, mainboard, keyboard, power supply and so on. The keyboard controls the cursor for options, operations 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: 15mm, disposable intravenous indwelling needle (draft).
Timing resolution: 0.01s 0~60 minutes adjustable, size: 400 * 290 * 240 (mm)