Provision of prosthetic and orthotic services in low-income countries

Harkins, Colette; McGarry, Anthony; Buis, Arjan

doi:10.1177/0309364612470963

Cited by 45 publications

(28 citation statements)

References 37 publications

(137 reference statements)

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“…During data acquisition, signals are monitored by the experimenter to verify good contact with the skin (poor contact is indicated by highamplitude noise) using the OpenSignal software package (v.2017 2 ) to plot the time-dependent signal in real-time. A synthetic kinesiology tape 3 . is used to affix the electrodes to the subjects' residual limbs at desired skin contact locations.…”

Section: A Experimental Setupmentioning

confidence: 99%

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Embroidered Electrodes for Control of Affordable Myoelectric Prostheses

Pitou

Shafti

et al. 2018

2018 IEEE International Conference on Robotics and Automation (ICRA)

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The low-cost manufacturing and maintenance of prostheses is of vital importance to their successful deployment in developing countries. Low-cost prosthesis actuation is generally achieved by combining pre-programmed control strategies, with surface-electromyographic measurements taken from the residual limb. In a standard setting, these signals are measured with disposable gel electrodes. However, this limit on electrode reuse requires that prosthesis users have a stable supply of electrodes. Alternatively, the textile electrodes sewn from conductive thread are studied in the context of hand gesture recognition to consider their future use with low-cost prostheses. In this paper, it is demonstrated that textile electrodes can be applied for gesture recognition. To do so, surface electromyography (sEMG) experiments are run in South Africa on three amputees where they were asked to perform gestures with their phantom limb (i.e., the missing limb segment). A gesture recognition method is implemented, and the classification accuracy with data recorded from textile electrodes is compared to that from gel electrodes. Further analysis examining the relationship between classifier performance and physiological parameters are performed. Results show that textile electrodes can be used to perform accurate gesture recognition, and are comparable to disposable gel electrodes. This demonstrates that low-cost sensory systems are not barrier to myoelectric control in developing countries.

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Section: A Experimental Setupmentioning

confidence: 99%

“…Advanced prostheses such as the i-Limb Ultra Revolution [1] or the BeBionic3 [2] prosthetic hands, have complex designs with which to provide a large variety of functionalities to amputees. However their high cost keeps important technological breakthroughs away from the population of the world living in developing countries [3].…”

Section: Introductionmentioning

confidence: 99%

Embroidered Electrodes for Control of Affordable Myoelectric Prostheses

Pitou

Shafti

et al. 2018

2018 IEEE International Conference on Robotics and Automation (ICRA)

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“…In the developing countries where patients finance themselves the debate between a nonfunctional replanted limb versus a functional prosthesis has a different angle to it. Attempting to salvage the extremity with the requirement of multiple procedures may be expensive but even good functional prostheses are scarce, expensive, and not within the reach of the common man [ 7 , 8 ]. Similarly lack of proper facilities for the physically impaired at public places hinders their smooth integration into society [ 9 ].…”

Section: Discussionmentioning

confidence: 99%

Long Term Follow-Up of a Successful Lower Limb Replantation in a 3-Year-Old Child

Zubairi

Hashmi

2015

Case Reports in Orthopedics

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Replantation of the lower extremity has controversial indications but nevertheless it may be considered in carefully selected patients who present early and are expected to show good functional recoveries. Here we present a successful replantation in a 3-year-old boy who has made excellent recovery with no functional deficit evident at 12 years of follow-up. He sustained a traumatic amputation at the level of distal tibia when he fell of a “Qing Qi” (motorcycle rickshaw). Replantation was attempted at 8 hours cold ischemia time with the tibia shortened 4 cm and all tendons, vessels, and nerves repaired. Patient required a second procedure during the same hospital stay for skin coverage. Patient made good recovery with ambulation without support at 6 months, less than 3 cm limb length discrepancy, plantar and dorsiflexion power 4/5, and recovery of sensation over the foot. Now at 12 years of follow-up patient has a normal gait and has integrated into society with no functional deficit. Considering the functional outcome of our case, replantation should be attempted whenever possible and feasible especially in children.

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“…According to the estimation of the World Health Organization (WHO), 650 million individuals suffer from a disability worldwide. About 80% out of 650 million individuals reside in developing countries [1]. Among 650 million, approximately 3 million suffer from the upper limb amputation and 2.4 million of which live in the developing countries [2].…”

Section: Introductionmentioning

confidence: 99%

“…According to the study conducted in 2016, the population of upper limb amputation is suffering from 16% transhumeral, 12% transradial, 2% forequarter, 3% shoulder disarticulation, 1% elbow disarticulation, 2% wrist disarticulation, 61% transcarpal, and 3% bilateral limb loss [3]. The rehabilitation services to overcome the disability by using prostheses are so uncommon and expensive that only 3% of the amputees in the developing countries have access to them [1].…”

Section: Introductionmentioning

confidence: 99%

Impact of Medical Advancement: Prostheses

Amir¹,

Shams²,

Khan³

2019

Computer Architecture in Industrial, Biomechanical and Biomedical Engineering

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This chapter shall provide a brief introduction to the prostheses and their development in the current advance technological era. The prosthesis design, control, and architecture completely changed with the change in the amputation level. The transradial amputee stump design, electronics, battery, and circuit placement change significantly with the change of the residual arm of the amputee. This leads to designing the prostheses with the focus of the amputation level and ease of customization. Recent development in the 3D printing and open source prosthetic design leads the user to choose, modify, and print the prostheses with the required sets of functionalities. In this chapter, a brief introduction of the prostheses has been given, starting with the types of prostheses according to the level of amputation and functionality. Then, the state-of-the-art prostheses available commercially and under research will be introduced. Afterward, the 3D printed prostheses are discussed. This chapter will end with the comparison of the medical advancement over the average life of people in general and comparison of the same for countries with low and high per capita income. 2 are discussed, followed by the state-of-the-art prostheses under development. At the end of this section, 3D printed prostheses are discussed. Finally, the section is concluded with a tabular comparison of all these prostheses highlighting the affordability of the prostheses.

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Provision of prosthetic and orthotic services in low-income countries

Cited by 45 publications

References 37 publications

Embroidered Electrodes for Control of Affordable Myoelectric Prostheses

Embroidered Electrodes for Control of Affordable Myoelectric Prostheses

Long Term Follow-Up of a Successful Lower Limb Replantation in a 3-Year-Old Child

Impact of Medical Advancement: Prostheses

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