Prosthetic services and resources globally are insufficient to meet the needs of individuals with lower limb loss worldwide, particularly in low resource countries. The lack of trained prosthetists, high cost, and inaccessibility of prosthetic services leave many patients in these countries without a prosthesis. To address this problem, an immediate fit, adjustable, modular, prosthetic system was developed. Six individuals in Jamaica with transtibial lower limb loss who were in need of a prosthesis visited a local therapy clinic. They were fit with the prosthetic system by a physical therapist certified and trained in the proper fitting of these devices. All patients were fit on the first visit and walked out with a comfortable prosthesis after some rehabilitation gait training. Five of the patients returned for follow-up and reported that they continued to use these devices for daily wear. No adverse events or socket component failures were reported despite rigorous daily use in a rugged environment. This new prosthetic care delivery model-a modular system distributed to patient locations and fit by trained allied rehabilitation professionals-holds potential for meeting the large demand for lower limb prosthetics in developing countries.
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http://dx.doi.org/10.1016/j.arrct.2021.100120 | DOI Listing |
Sci Rep
December 2024
Department of Orthopedic Surgery, The First Hospital of Hebei Medical University, NO. 89 Donggang Road, Shijiazhuang, 063000, Hebei, P. R. China.
The risks and benefits associated with simultaneous bilateral unicompartmental knee arthroplasty (UKA) continue to engender contentious debate. The aim of this study was to compare the clinical outcomes of simultaneous bilateral and unilateral UKA. A retrospective review was performed between 2019 and 2022 on 280 patients (130 simultaneous bilateral vs.
View Article and Find Full Text PDFJ Bone Joint Surg Am
October 2024
Musculoskeletal Tumor Center, Department of Orthopedics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.
Background: Pelvic reconstruction after type I + II (or type I + II + III) internal hemipelvectomy with extensive ilium removal is a great challenge. In an attempt to anatomically reconstruct the hip rotation center (HRC) and achieve a low mechanical failure rate, a custom-made, 3D-printed prosthesis with a porous articular interface was developed. The aim of this study was to investigate the clinical outcomes of patients treated with this prosthesis.
View Article and Find Full Text PDFBiosensors (Basel)
December 2024
Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China.
Ankle-foot orthoses (AFOs) have been commonly prescribed for stroke survivors with foot drop, but their impact on the contractions of paretic tibialis anterior (TA) and medial gastrocnemius (MG) has remained inconclusive. This study thus investigated the effect of AFOs on these muscle contractions in stroke survivors. The contractions of paretic TA and MG muscles were assessed in twenty stroke patients and compared between walking with and without AFOs, using a novel wearable dynamic ultrasound imaging and sensing system.
View Article and Find Full Text PDFBiomimetics (Basel)
December 2024
School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China.
This study develops biomimetic strategies for slip prevention in prosthetic hand grasps. The biomimetic system is driven by a novel slip sensor, followed by slip perception and preventive control. Here, we show that biologically inspired sensorimotor pathways can be restored between the prosthetic hand and users.
View Article and Find Full Text PDFBiomimetics (Basel)
November 2024
REVAL Rehabilitation Research Center, Faculty of Rehabilitation Sciences, Hasselt University, 3590 Diepenbeek, Belgium.
Rehabilitation science has evolved significantly with the integration of technology-supported interventions, offering objective assessments, personalized programs, and real-time feedback for patients. Despite these advances, challenges remain in fully addressing the complexities of human recovery through the rehabilitation process. Over the last few years, there has been a growing interest in the application of biomimetics to inspire technological innovation.
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