改进型心电连接器在PICC置管尖端定位中的应用

Application of improved electrocardiograph connector in tip positioning of PICC

目的探讨心电连接器的改进及其临床应用效果。方法针对改进前心电连接器在使用过程中存在的问题,设计改进型心电连接器并应用于临床。比较改进前后心电连接器耗损率、心电图波形稳定性、经外周静脉置入中心静脉导管(PICC)置管到位率。结果改进型心电连接器组的耗损率、心电图波形稳定性、PICC尖端最佳位置的到位率均显著优于改进前心电连接器组(P<0.05或P<0.01)。结论改进型心电连接器结构设计更合理,性能更稳定,PICC尖端定位效果更优,经久耐用,且其一器多用的特点实现了与多种心电设备的连接。

Objective To explore the improvement method of electrocardiograph connector and its clinical application effect.Methods The improved electrocardiograph connector was designed and applied in clinic according to the problems existing in unimproved electrocardiograph connector.The wear-out rate of electrocardiograph connector,the stability of electrocardiograph waveform and cathetering in place rate of peripherally inserted central catheter(PICC)tube before and after improvement were compared.Results The wear-out rate,the stability of ECG waveform and the cathetering in place rate of PICC of the improved ECG connector were better than those of unimproved electrocardiograph connector(P<0.05 or P<0.01).Conclusion The structure design of the improved electrocardiograph connector is more reasonable,and its performance is stable.The effect of the PICC tip positioning is better,and it is durable,and the feature of the machine with multiple purpose realizes the connection with many electrocardiograph equipments.