Modelling Framework and Assistive Device for Peripheral Intravenous Injections

Kin F. Kam 1 , Martin P. Robinson 2 , Mathew A. Gilbert 3  and Adar Pelah 2
  • 1 Inclusive Innovations Ltd., Ron Cooke Hub, University of York, Heslington East„ York YO10 5GE, UK
  • 2 Department of Electronics, University of York, Heslington, York YO10 5DD, UK
  • 3 Cambridge Consultants, Science Park, Milton Road, Cambridge CB4 0DW, UK

Abstract

Intravenous access for blood sampling or drug administration that requires peripheral venepuncture is perhaps the most common invasive procedure practiced in hospitals, clinics and general practice surgeries.We describe an idealised mathematical framework for modelling the dynamics of the peripheral venepuncture process. Basic assumptions of the model are confirmed through motion analysis of needle trajectories during venepuncture, taken from video recordings of a skilled practitioner injecting into a practice kit. The framework is also applied to the design and construction of a proposed device for accurate needle guidance during venepuncture administration, assessed as consistent and repeatable in application and does not lead to over puncture. The study provides insights into the ubiquitous peripheral venepuncture process and may contribute to applications in training and in the design of new devices, including for use in robotic automation.

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