Structural interaction between bone and implants due to arthroplasty of the first metatarsophalangeal joint
Autor: | Raúl Lesso-Arroyo, Javier Bayod López, Marco A. Martínez Bocanegra, Ricardo Becerro de Bengoa Vallejo, Agustín Vidal-Lesso |
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Rok vydání: | 2019 |
Předmět: |
Adult
Male Metatarsophalangeal Joint Osteolysis Joint replacement Joint Prosthesis medicine.medical_treatment 0206 medical engineering Dentistry Toe Joint 02 engineering and technology Osteoarthritis Arthroplasty Medical grade silicone 03 medical and health sciences Hallux rigidus 0302 clinical medicine Hallux Rigidus medicine Humans Orthopedics and Sports Medicine Hallux Valgus Aged 030222 orthopedics business.industry Biomechanics Middle Aged medicine.disease 020601 biomedical engineering Female Implant business |
Zdroj: | Zaguán. Repositorio Digital de la Universidad de Zaragoza instname |
ISSN: | 1268-7731 |
Popis: | Background: Currently, the metatarsophalangeal joint replacement through a restorative arthroplasty, where implants are used, is a viable invasive surgical medical procedure in the treatment of severe cases of osteoarthritis in this joint, better known as hallux rigidus. However, few things are known about the postoperative complications that implants can cause on the joint, like Swanson and Tornier implants.Research in this field can provide a valuable information that would help the specialist surgeon in the decision-making during the selection of the more suitable joint implant in each patient, as well as the redesign of the devices, to make them more efficient, durable and biocompatible with the human body. Methods: The aim of this work is to perform a structural biomechanical analysis of a restorative arthroplasty of the first metatarsophalangeal joint, and to analyze the interaction between bone and medical grade silicone implants. For that, a simulation of a foot with Swanson and Tornier joint implants were performed to evaluate the stress/strain distribution during a critical stage (toe-off). Results and conclusions: Principal stresses obtained for the first metatarsal with both implants suggest that failure is induced in this bone because, values exceed (up to 136.84% for Swanson model) the tensile strength reported for phalange trabecular bone, which may be related to osteolysis. Stress and strain values obtained in this work suggest that arthroplasty surgery with Swanson implant is more likely to cause postoperative complications versus Tornier implant. |
Databáze: | OpenAIRE |
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