Título:	Desenvolvimento de soquetes de prótese transfemoral com biomaterial látex e sistema de eletromiografia integrado
Outros títulos:	Development of transfemoral prosthesis sockets with latex biomaterial integrated to a electromyography system
Autor(es):	Zoccoli, Thanyze Alice Vicentini
Orientador(es):	Marães, Vera Regina Fernandes da Silva
Assunto:	Eletromiografia Amputados Prótese Pernas Látex
Data de publicação:	17-Ago-2021
Data de defesa:	29-Mai-2018
Referência:	ZOCCOLI, Thanyze Alice Vicentini. Desenvolvimento de soquetes de prótese transfemoral com biomaterial látex e sistema de eletromiografia integrado. 2018. 107 f., il. Dissertação (Mestrado em Engenharia Biomédica) – Universidade de Brasília, Brasília, 2018.
Abstract:	INTRODUCTION: Surface electromyography is been established as a promising tool to assess muscular activity of transfemoral amputees. However, besides the problems related to structural changes after amputation, there’s still obstacles involving the assistive technology used. The socket compromises the adaptation of electrodes to the residual limb and the evaluation of several residual muscles concomitantly. The presence of cables and electrodes inside the socket decreases interface function, influencing performance and comfort during the acquisition. This scenario justifies the need of development of an electromyography system integrated to a socket. Latex is a biomaterial wich presents characteristics as: biocompatibility, low price when compared to synthetic rubber, feasibility of manipulation and possibility of cables and electrodes integration to assess surface electromyography. OBJECTIVE: To develop and adapt lower limb prosthesis socket using latex biomaterial including a surface electromyography system and acquire electrical signal of residual muscles. MATERIALS AND METHODS: This is a Project of technological development. The sample is represented by one male subject, with unilateral transfemoral amputation, physically active. Biomaterial latex was selected as a main product to socket confection. To surface electromyographic signal acquisition an electromyography Miotool USB (Miotec). The evaluation was executed on recto femoris, vastus lateralis, biceps femoris and semitendinous. Signal collection and analysis were performed by MiotecSuite software in its interface named MioGraph. To assess subject’s perception of used sockets, a questionnaire (scored in 0 to 10) were developed with objective questions concerning his opinion about comfort, articular mobility and suction. RESULTS: The present study was divided in four steps. The first step consisted in material preparation and prototypes confection using a plaster molds, tests with biomaterial latex and fiberglass and tests with electrodes and cables integration with the prototype. Second stage included the confection of four different sockets, third stage involved subject’s use and evaluation of sockets. In the fourth stage, electromyographic signal were acquired. CONCLUSION: In this study four socket made with latex biomaterial configurations were developed, three of them were integrated to different proposals to acquire surface electromyography. The results obtained with model without surface electromyography integration shown latex biomaterial as an adequate material to socket confection. In relation to sockets developed to acquire sEMG, the model with openings in the wall to electrodes positioning presented the highest quality in signal visualization. In this study pilot tests were conduced but more tests and acquisitions is needed to improve models developed and sEMG analysis.
Unidade Acadêmica:	Faculdade de Ciências e Tecnologias em Engenharia (FCTE) – Campus UnB Gama
Informações adicionais:	Dissertação (Mestrado em Engenharia Biomédica) – Universidade de Brasília, Faculdade UnB Gama, Programa de pós-graduação em Engenharia Biomédica, 2018.
Programa de pós-graduação:	Programa de Pós-Graduação em Engenharia Biomédica
Licença:	A concessão da licença deste item refere-se ao termo de autorização impresso assinado pelo autor com as seguintes condições: Na qualidade de titular dos direitos de autor da publicação, autorizo a Universidade de Brasília e o IBICT a disponibilizar por meio dos sites www.bce.unb.br, www.ibict.br, http://hercules.vtls.com/cgi-bin/ndltd/chameleon?lng=pt&skin=ndltd sem ressarcimento dos direitos autorais, de acordo com a Lei nº 9610/98, o texto integral da obra disponibilizada, conforme permissões assinaladas, para fins de leitura, impressão e/ou download, a título de divulgação da produção científica brasileira, a partir desta data.
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