一种便携式骨髓腔内注射装置的设计

Design of portable intramedullary injection device

目的:为实现可视化精准穿刺,设计一种便携式骨髓腔内注射装置。方法:该装置主要由握持壳体、显示屏、穿刺针、控制器及电源组成。其中,握持壳体呈L形,采用新型高性能热塑性树脂制作,且手柄部位设有聚乙烯-醋酸乙烯酯防滑胶带;显示屏采用透明纳米微晶玻璃制作;穿刺针由内针和外针组成,采用奥氏体不锈钢材料制作;电源选用磷酸铁锂电池。结果:该装置不仅可实现安全、快速穿刺,而且具有实时监测穿刺压力及深度的功能。结论:该装置能够实现可视化精准操作,具有操作简便、携带方便、安全耐用等优势,有利于提高救治成功率。

Objective To design a portable intramedullary injection device to facilitate visualized precision puncture.Methods The portable intramedullary injection device was mainly composed of a holding shell,a display,a puncture needle,a controller and a power supply.The holding shell had a L-shaped structure,which was made of new high-performance thermoplastic resin and was provided with a polyethylene-vinyl acetate copolymer non-slip adhesive tape at its handle;the display was made of transparent nano-microcrystalline glass;the puncture needle consisted of an inner needle and an outer needle,which was made of austenitic stainless steel;a lithium iron phosphate battery was used for power supply.Results The portable intramedullary injection device facilitated safe and rapid puncture,and had the function of real-time monitoring of puncture pressure and depth.Conclusion The portable intramedullary injection device realizes visualized precision puncture with high convenience,portability,safety and durability,and contributes to enhancing the success rate for casualty treatment.