• English
    • español
  • español 
    • English
    • español
  • Login
Ver ítem 
  •   DSpace Principal
  • 2.- Investigación
  • Artículos
  • Ver ítem
  •   DSpace Principal
  • 2.- Investigación
  • Artículos
  • Ver ítem
JavaScript is disabled for your browser. Some features of this site may not work without it.

Biomechanical test of a new endoprosthesis for cylindrical medullary canals in dogs

Thumbnail
Ver/
IIT-22-118R.pdf (5.037Mb)
Fecha
2022-12-31
Autor
Mendaza De Cal, Rosa María
Ballesteros Iglesias, María Yolanda
Peso Fernández, Salvador
Paz Jiménez, Eva
del Real Romero, Juan Carlos
Rodríguez Quirós, Jesús
Estado
info:eu-repo/semantics/publishedVersion
Metadatos
Mostrar el registro completo del ítem
Mostrar METS del ítem
Ver registro en CKH

Refworks Export

Resumen
 
 
Exo-endoprosthesis is a limb salvage procedure for animals, although only expensive metal devices have been described. Now-a-days, new materials for this type of implant could be considered due to novel and affordable manufacturing techniques. However, a factor of safety (FoS) should be considered. There are kinetic and kinematic studies of canine natural gaits, which can be used to establish an FoS for mechanical tests for new non-metallic devices. Polyetheretherketone (PEEK) is used in different specialties in human medicine. Its mechanical properties (and its close mechanical stiffness to that of bone) make this polymer an alternative to metals in veterinary traumatology. PEEK could also be used in 3D printing. The suitability of a novel inner part of an exo-endoprosthesis manufactured by fuse deposition modeling (FDM) was presented in this study for long canine bones. Mechanical characterization of 3D-printed PEEK material and ex vivo mechanical tests of a customized endoprosthesis were performed to address it. Young's modulus of 3D-printed PEEK suffered a reduction of 30 in relation to bulk PEEK. Customized 3D-printed PEEK endoprostheses had promising outcomes for the tibiae of 20 kg dogs. Pure compression tests of the non-inserted endoprostheses showed a maximum force of 936 ± 199 N. In the bending tests of non-inserted endoprostheses, the PEEK part remained intact. Quasistatic mechanical tests of bone-inserted endoprostheses (compression-bending and pure compression tests) reached a maximum force of 785 ± 101 N and 1,642 ± 447 N, respectively. In fatigue tests, the samples reached 500,000 cycles without failure or detriment to their quasistatic results. These outcomes surpass the natural weight-bearing of dogs, even during a galloping pace. In conclusion, the 3D-printed PEEK part of the endoprosthesis for an exo-endoprosthesis can withstand loading, even during a galloping pace.
 
URI
https:doi.org10.3389fvets.2022.887676
Biomechanical test of a new endoprosthesis for cylindrical medullary canals in dogs
Tipo de Actividad
Artículos en revistas
ISSN
2297-1769
Materias/ categorías / ODS
Instituto de Investigación Tecnológica (IIT)
Palabras Clave

biomechanical test, patient-specific implant, FDM, PEEK, exo-endoprosthesis, ex vivo, tibia, canine
Colecciones
  • Artículos

Repositorio de la Universidad Pontificia Comillas copyright © 2015  Desarrollado con DSpace Software
Contacto | Sugerencias
 

 

Búsqueda semántica (CKH Explorer)


Listar

Todo DSpaceComunidades & ColeccionesPor fecha de publicaciónAutoresTítulosMateriasPor DirectorPor tipoEsta colecciónPor fecha de publicaciónAutoresTítulosMateriasPor DirectorPor tipo

Mi cuenta

AccederRegistro

Repositorio de la Universidad Pontificia Comillas copyright © 2015  Desarrollado con DSpace Software
Contacto | Sugerencias