Design and development of two medical devices to assist the rehabilitation of the upper limb mobility in post-stroke

Batista, M. (2017) Design and development of two medical devices to assist the rehabilitation of the upper limb mobility in post-stroke.

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Abstract:Stroke is one of the most common problems nowadays. The increment of the life expectancy has a relevant incidence in that. This disease has a great impact due to the side effects that it generate in patients that suffer from that. It can change for ever the lifes of these patients, conditioning them with reduced mobility and other central nerve system problems. Only a third of them will be able to recover from these side effects. Some huge and bulk robotic devices have been developed to assist these patients. Nevertheless they are too big, very expensive and normally require a high-tech professional to drive them. For this reason it is important to generate affordable assitive solutions to improve the rehabilitation of these patients and make them recover from this side effects, mainly observed in the musculoskeletal system, from their house in a comfortable environment. Dividing the human musculoskeletal system in two parts, upper and lower limb, it must be said that the upper limb is the one that can be more applied to small and portable devices. This approach is used here. In this internship two different small divices are proposed to assist in the rehabilitation of the upper limb from an affordable, easy-to-use and patient dependent point of view. The first of them would recover the arm's pronation/supination movements and hand grasp/release movements. The other device will focus on the daily life actions and precise/detailed movements made by the upper limb. The first device was develop until a final idea development. Nevertheless, more research and testing should be done with it. Two final ideas were chosen. Both work well but the prototype can work better in performance and actuation on the hand of the patient. This device is a modular system that runs on an already available armskate that recovers the shoulder and elbow movements. At the end, a final product with total upper limb recovery was developed, which can be used at home by the patient after a certain training. In the case of the other device, it was possible to develop a final product, ready for manufacturing, that generated a game on the patient to assist his recovery of ten different daily actions. This "toy" stimulated, visualy and autiditively, the patient to improve his/her rehabilitation on that certain activities.
Item Type:Internship Report (Master)
Clients:
Callaghan Innovation, New Zealand
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
Keywords:Stroke, robotic devices, upper limb, pronation/supination, grasp/release, toy, game
Link to this item:http://purl.utwente.nl/essays/72343
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