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    State-of-the-art technologies for residuum volume and shape monitoring: innovative solutions and challenges.


    10/7/19 | 9:15 AM – 10:30 AM time


    Elena Seminati, University of Bath (Bath, United Kingdom)

    Alex Dickinson, University of Southampton (Southampton, United Kingdom)

    James Bilzon, University of Bath, (Bath, United Kingdom)

    Martin Twiste, University of Salford (Manchester, United Kingdom)

    Session format
    Advanced Instructional Course
    Room 501, Conference Center
    Prosthetics: Lower Limb
    Target audience
    Congress registrants only
    Session Chair

    Elena Seminati



    Objective assessment methods to monitor residuum volume and shape changes following lower limb amputation are required to inform treatment decisions with regard to timing and design of prosthetic sockets.
    Due to the importance of these characteristics for the success of prosthetic limb fitting, improvements in measurement validity and reliability has received considerable attention. Many techniques have been described, with varying success, particularly reflecting the development of digital technology over time.

    Portable 3D non-contact scanning methods have been vastly improved over the years. Some more recent ones have shown good accuracy and reliability, with reliability coefficients for volume measurements <5%. However, accurate measurement of residuum volume and shape remains challenging, due to patient and measurement related factors (e.g. movements, post doffing volume changes, distortion of limb shape, system accuracy and resolution, costs and environmental conditions).

    This symposium will give an overview of what techniques have been used to measure residuum volume and shape and critically appraise the evidence as to how effectively they measure these attributes in lower limb amputees. The state-of-the-art methods in the field of residuum monitoring will be presented, highlighting advantages/disadvantages based on experimental data from laboratory (i.e. residuum models) and clinical (i.e. patient residuum) trials. A multidisciplinary team comprising two engineers, one prosthetist and a physiologist will present some of the new features for residuum monitoring (e.g. portability, improved accuracy/resolution, colour/texture information and costs), with the possibility to do some practical tests on the day (see figure below) and identify common scanning artefacts/errors.

    Statement of the objective / learning objectives

    Attendees will learn about the different features of the state-of-the-art technologies for residuum monitoring. The symposium will help prosthetist/healthcare professionals choose the right tool for the right patient and the relevant clinical/research purpose.

    This session focuses on the topic Prosthetics: Lower Limb Transtibial.

    Simultaneous Interpretation


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