Mechanism for adaptive virtual reality feedback

Neil Vaughan, Venketesh Dubey, Michael Wee, Richard Isaacs

    Research output: Contribution to journalArticlepeer-review


    This work presents development and testing of two haptic mechanisms to simulate epidural needle insertion procedure.

    To configure the force-feedback accuracy, we measured 20 insertions from patients in vivo during a clinical trial. The graphics and forces adapt to the body mass index (BMI) of individual patients.

    Two haptic mechanisms were constructed: an electromagnetic haptic device (Fig. 1) and a motor-driven haptic device (Fig. 2). The resulting closed-loop system comprises manikin using four sensors and three force-feedback components which can connect to our developed virtual reality epidural simulator 3D computer graphics [1].

    Our literature review identified that 31 epidural simulators have been implemented for clinical practice over the last 30 years either commercially or for research [2].
    Original languageEnglish
    Article number030951
    Number of pages2
    JournalJournal of Medical Devices, Transactions of the ASME
    Issue number3
    Early online date1 Aug 2016
    Publication statusPublished - 30 Sept 2016


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