In daily care operation, it is difficult to assess the vein of patients due to various objective factors, therefore, the routine method often leaded to puncture failure or repeated puncture. Through summarized the causes and hazards of venous puncture failure, and analyzed the basic structure and working principle of the projection infrared blood vessel imager of vivo series, to explore the clinical value of vascular visualization technique in peripheral vein puncture. A series of advantages of projection infrared blood vessel imager included small, lightweight, removable, the clearly visible vein on projection and so on could be used, and under its guidance, the success rate of peripheral venous puncture in patients was enhanced and the difficulty of puncture was reduced. Besides, the difficult problem that paramedics couldn''''t easily find vessel in the puncture was resolved. Therefore, it may replace the traditional puncture plan which depended on naked eye, and may guide a reform in the field of medical care.%在日常护理操作中,护理人员会因各种客观因素使患者静脉不易评估,从而导致穿刺失败或者反复穿刺.通过总结患者静脉穿刺失败的原因及危害,并对中科微光vivo系列投影式红外线血管成像仪基本结构和工作原理进行分析,阐述血管可视化技术在外周静脉穿刺中的临床应用价值.利用投影式红外线血管成像仪所具有的小巧、可移动、投影处静脉清晰可见等特点,在其引导下的患者外周静脉穿刺成功率高,降低护士穿刺难度,解决穿刺过程中血管难找的难题,有望取代传统的肉眼识别穿刺方案,带来医护领域的一场变革.
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