Design of composite puncture blood collection system and research on puncture force

Zhikang Yang, Shikun Wen, Qian Qi, Xiaoshu Zhang, Huan Shen, Guangming Chen, Jiajun Xu, Zhuhai Lv and Aihong Ji

Computer Methods in Biomechanics and Biomedical Engineering, 2025, vol. 28, issue 11, 1743-1754

Abstract: Venous blood collection testing is one of the most commonly used medical diagnostic methods. Compared with conventional venous blood collection, robotic collection can reduce needle-stick injuries, medical staff workload, and infection risk; allow doctor-patient isolation; and improve collection reliability. Existing venous blood collection robots use rigid puncture needles, which can easily puncture the lower wall of blood vessels, causing vessel damage and collection failure. This paper proposes a bionic blood collection strategy based on a composite puncture needle that mimics the structure and function of mosquito mouthparts. A bionic composite puncture needle insertion system with puncture-force sensing was designed, and venipuncture forces were simulated and mathematically modelled. A prototype insertion system was built and used in an experiment, which demonstrated effective composite puncture blood collection and explored the factors influencing puncture force. Puncture force decreases with increased puncture speed and angle and with a decreased needle diameter. This provides a basis for optimising the parameters of blood collection robots.

Date: 2025
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DOI: 10.1080/10255842.2024.2338474

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