Estudo mecânico de implante para fixação do segmento lombossacro da coluna vertebral
This work consists of a mechanical analysis of the resistance and critical points of a stainless steel device for lumbossacral spinal fixation. The device was fixed into a wooden model representing the spinal lumbossacral segment. The experiment comprised seven tests of flexo-compression, seven test...
| Autores: | , , , , |
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| Formato: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2000 |
| País: | Brasil |
| Recursos: | Universidade Federal de São Paulo (UNIFESP) |
| Repositorio: | Repositório Institucional da UNIFESP |
| Idioma: | portugués |
| OAI Identifier: | oai:repositorio.unifesp.br:11600/1028 |
| Acesso em linha: | http://dx.doi.org/10.1590/S1413-78522000000300003 http://repositorio.unifesp.br/handle/11600/1028 |
| Access Level: | acceso abierto |
| Palavra-chave: | Vertebral spine spine fusion Artificial implants Articular instability Coluna vertebral Fusão espinal Implantes artificiais Instabilidade articular |
| Resumo: | This work consists of a mechanical analysis of the resistance and critical points of a stainless steel device for lumbossacral spinal fixation. The device was fixed into a wooden model representing the spinal lumbossacral segment. The experiment comprised seven tests of flexo-compression, seven tests of axial rigidity, seven tests of radial rigidity, and one destructive test. The critical points are the intersection of the pedicular screws threads and the attrition rate between the vise and the rod. The results demonstrated the device to be efficient and safe when used in human beings. |
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