Development of a probe holder for accurate ultrasound-guided peripheral venipuncture

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  • 確実な超音波ガイドによる末梢静脈穿刺にむけたプローブ固定装置の開発

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Abstract

To make US-guided peripheral venipuncture widely acceptable across Japan, we developed a device to hold an US probe. The aim of this study was to identity the utility of the probe holder to perform simple and accurate US-guided peripheral venipuncture. Forty-eight nursing students were allocated to 3 groups : group A performed traditional peripheral venipuncture, group B performed conventional US-guided peripheral venipuncture, and group C performed US-guided peripheral venipuncture with the probe holder. All participants performed the specific venipuncture procedure assigned to the group using a venipuncture training aid model including a simulated invisible venous model. The success rate of peripheral venipuncture within three attempts was 56%（n=9）in group A, 75%（n=12）in group B, and 100%（n=16）in group C, with a significant difference between group A and C. Subjective difficulty of IV cannulation was evaluated significantly lower in groups B and C compared with group A. Our findings suggest that the novel probe holder enables easy and accurate US-guided venipuncture in veins that are not or hardly visible.

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