Next-generation devices to diagnose residuum health of individuals suffering from limb loss: A narrative review of trends, opportunities, and challenges

Frossard, Laurent; Langton, Christian; Perevoshchikova, Nataliya; Feih, S.; Powrie, Ross; Barrett, Rod; Lloyd, David G.

doi:10.1016/j.jsams.2023.02.004

Journal of Science and Medicine in Sport

2023

DOI: 10.1016/j.jsams.2023.02.004

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Next-generation devices to diagnose residuum health of individuals suffering from limb loss: A narrative review of trends, opportunities, and challenges

Laurent Frossard¹,

Christian Langton²,

Nataliya Perevoshchikova³

et al.

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Cited by 2 publications

References 59 publications

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Application of ultrasound to monitor in vivo residual bone movement within transtibial prosthetic sockets

Jonkergouw,

Prins,

Donse

et al. 2024

Sci Rep

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Transtibial prosthetic users do often struggle to achieve an optimal prosthetic fit, leading to residual limb pain and stump-socket instability. Prosthetists face challenges in objectively assessing the impact of prosthetic adjustments on residual limb loading. Understanding the mechanical behaviour of the pseudo-joint formed by the residual bone and prosthesis may facilitate prosthetic adjustments and achieving optimal fit. This study aimed to assess the feasibility of using B-mode ultrasound to monitor in vivo residual bone movement within a transtibial prosthetic socket during different stepping tasks. Five transtibial prosthesis users participated, and ultrasound images were captured using a Samsung HM70A system during five dynamic conditions. Bone movement relative to the socket was quantified by tracking the bone contour using Adobe After-Effect. During the study a methodological adjustment was made to improve data quality, and the first two participants were excluded from analysis. The remaining three participants exhibited consistent range of motion, with a signal to noise ratio ranging from 1.12 to 2.59. Medial–lateral and anterior–posterior absolute range of motion varied between 0.03 to 0.88 cm and 0.14 to 0.87 cm, respectively. This study demonstrated that it is feasible to use B-mode ultrasound to monitor in vivo residual bone movement inside an intact prosthetic socket during stepping tasks.

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Application of ultrasound to monitor in vivo residual bone movement within transtibial prosthetic sockets

Jonkergouw,

Prins,

Donse

et al. 2024

Sci Rep

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A 3D-printed phantom twin and multi-transducer holder for dynamic anatomical ultrasonography of the lower limb

Langton

Grimm

Lloyd

et al. 2023

Journal of 3D printing in medicine

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We aim to improve the residuum health of individuals suffering from lower-limb loss through ‘digital twin’ computational simulations for the creation of optimized 3D-printed prosthetic attachments. Our objective is to utilize 4D tracking data of various tissue interfaces as a primary input into the digital twin. Dynamic anatomical ultrasonography (DAU) is a novel technique in which synchronized individual transducers are positioned at known locations utilizing a 3D-printed holder. Pulse-echo ultrasound data are recorded and subsequently analyzed, providing plots of tissue interface depths versus recording time. For the scientific validation of the DAU technique, a bespoke 3D-printed phantom twin has been created incorporating replica compartments of soft-tissue interfaces and bone tissue of a healthy thigh. To demonstrate its utility, a preliminary experiment was performed in which the phantom twin was positioned within the DAU device and the replica bone manually traversed randomly; subsequent DAU analysis provided a plot of interface depth versus recording time.

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Next-generation devices to diagnose residuum health of individuals suffering from limb loss: A narrative review of trends, opportunities, and challenges

Cited by 2 publications

References 59 publications

Application of ultrasound to monitor in vivo residual bone movement within transtibial prosthetic sockets

Application of ultrasound to monitor in vivo residual bone movement within transtibial prosthetic sockets

A 3D-printed phantom twin and multi-transducer holder for dynamic anatomical ultrasonography of the lower limb

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