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  • Title: A Canadian electric-arm prosthesis for children.
    Author: Nicholls PB, Stevenson DA, Sherman ED, Lippay AL, Gingras G.
    Journal: Can Med Assoc J; 1967 Apr 22; 96(16):1135-40. PubMed ID: 6021562.
    Abstract:
    The thalidomide tragedy in Canada initiated new efforts to produce functional prosthetic appliances for very young amputees. In 1962, the Rehabilitation Institute of Montreal began to fit 36 babies with adapted conventional and gas-operated devices.Practical experience with the Soviet prosthesis proved the feasibility of myoelectric control, and indicated the possibility of using skin electrodes over an active muscle for control purposes in children. We obtained assistance from the Northern Electric Company, whose research laboratories produced the prototype arms described in this report. An all-electric prosthetic system was developed which carries out four different movements driven by a single motor. Function is effected by switches, but a myoelectric control system could be readily adapted without major changes. In the description of our needs for the proposed arm, we asked for modular construction and a minimum service life of one year between major repairs. Details of design and performance are outlined in this report.Initial clinical experience indicates that the prosthesis is completely accepted by the young patient, in spite of its excessive weight and inconvenient control. Four powered joints give the child greater functional freedom. In future we plan to fit an older child and will study more bilateral installations in the next 14 months. After further use, study and improvement, this device will become a useful prosthesis.
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