Current commercially available prosthetic feet have succeeded in decreasing the metabolic cost and increasing the speed of walking compared to walking with conventional, mostly solid prosthetic feet. However, there is still a large discrepancy when compared with a non‐disabled gait, and the walking pattern remains strongly disturbed. During the stance phase of the leg, t...

Robotic prostheses have the potential to significantly improve mobility for people with lower-limb amputation. Humans exhibit complex responses to mechanical interactions with these devices, however, and computational models are not yet able to predict such responses meaningfully. Experiments therefore play a critical role in development, but have been limited by the use of product-like prototy...

The foot is an essential part of the components prosthesis. Therefore, selected materials’ mechanical properties, cost, and weight must be considered when manufacturing prosthetic foot. This study studied properties materials used for feet. material chosen Carbon Fiber, Glass fiber, hybrid composite material. aims to simulate find optimal selection feet by assuming boundary conditions, reaction...

Abstract Prosthetic limbs fabricate devices that provide amputees with a replacement for their missing limbs, restoring some function. These artificial feet are not as multifunctional natural feet, but they improve the patient’s performance level. Considering prosthetic in particular, selecting device is based on how favorably matches human foot’s characteristics. designed to meet required valu...

Amputees suffer a higher metabolic demand on their bodies. Passive prostheses seek to reduce this deficit through elastic distribution of the energy inherently dissipated in walking. Yet with no capacity to generate torque they lack truly biomimetic function. The active prosthesis is a solution to this and opens up a world of active control in the timing and magnitude of energy return. Being ab...

Robotic ankle-foot prostheses can improve walking performance for amputees compared to conventional designs [1], but prescription has been hindered by their high cost and uncertainty about the degree to which individuals will benefit. The typical prescription process cannot well predict how an individual will respond to a device they have never used, as it bases decisions on subjective assessme...

Two women aged 65 years and 78 years presented to our center with idiopathic necrosis of the talus. In both cases, imaging examinations showed collapse and sclerotic changes of the talar body caused by the necrosis. Both women underwent resection and placement of a third-generation custom-made alumina ceramic total talar prosthesis. Immobilization of the ankle in a short-leg cast for 3 weeks wa...

A programme for early mobilisation using a temporary prosthesis was evaluated in 17 children who had had an amputation above the knee for sarcomata. The temporary prosthesis had a performed adjustable polypropylene quadrilateral socket which was able to accommodate changes in the size of the stump during the first few months after amputation. The adjustable sockets were assembled onto wooden kn...

Previous economic evaluations for health care have focused mainly on the clinical and pharmacological areas. This paper presents the implementation of a methodology for economic evaluation on technological research. The case of a new prosthetics design for partial foot amputee patients was used for analysis. The aim of this work was to calculate the cost of device manufacture and to separate it...

In running, large gait asymmetry is expected due to the inability of the foot prosthesis to comply with the kinematic demands and produce a powerful plantarflexion moment. In this work, interlimb asymmetry in below-knee (BK) amputee running gait was assessed for one rigid and three flexible keel prostheses, using vertical and anteroposterior ground reaction forces and respective impulses. Nine ...