40-221
Artrodesis del raquis cervical por vía anterior con placa atornillada. Criterios para la selección del implante
Anterior cervical spine arthrodesis with paltes. Criterion for implant selection
J. BARBERÁ* Y D. BARBERÁ** *HOSPITAL CLINICO UNIVERSITARIO DE VALENCIA. **ESCUELA SUPERIOR DE INGENIEROS INDUSTRIALES. UNIVERSIDAD POLITECNICA DE VALENCIA
Recepción:
15/09/2008
Aceptación:
15/09/2008
Publicación:
15/09/2008
Métricas
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Resumen (ES)
The purpose of the present study is to assess the
biomechanical properties of fixation plates used for anterior
arthrodesis of the cervical spine to define the most indicated
model for each pathology. Five types of plate differentiate in
the mechanics between of the interface between the screw
and the plate: 1. The interface free screw-plate, 2. Rigid S-P
interface, 3, Semi-rigid S-P interface, 4, Dynamic T-P interface
with vertical displacement of the screw and 5. Dynamic TP
interface with angular displacement of the screw. The
adjustment under load mechanism and failure modes are
analysed for every case. Cervical pathology is classifies in
lesions affecting one level and those affecting more than one
level and, for every case, reconstructions are defined as stable
and potentially unstable. For each type of lesion there is
a recommendation to use one of the five types of reconstruction
plates
biomechanical properties of fixation plates used for anterior
arthrodesis of the cervical spine to define the most indicated
model for each pathology. Five types of plate differentiate in
the mechanics between of the interface between the screw
and the plate: 1. The interface free screw-plate, 2. Rigid S-P
interface, 3, Semi-rigid S-P interface, 4, Dynamic T-P interface
with vertical displacement of the screw and 5. Dynamic TP
interface with angular displacement of the screw. The
adjustment under load mechanism and failure modes are
analysed for every case. Cervical pathology is classifies in
lesions affecting one level and those affecting more than one
level and, for every case, reconstructions are defined as stable
and potentially unstable. For each type of lesion there is
a recommendation to use one of the five types of reconstruction
plates
Palabras clave (ES):
atornillada
Implante
Diseño
Placa
Osteosintesis
Fijación
Vertebral
Columna
Fractura
cervical
Raquis
Resumen (EN)
The purpose of the present study is to assess the
biomechanical properties of fixation plates used for anterior
arthrodesis of the cervical spine to define the most indicated
model for each pathology. Five types of plate differentiate in
the mechanics between of the interface between the screw
and the plate: 1. The interface free screw-plate, 2. Rigid S-P
interface, 3, Semi-rigid S-P interface, 4, Dynamic T-P interface
with vertical displacement of the screw and 5. Dynamic TP
interface with angular displacement of the screw. The
adjustment under load mechanism and failure modes are
analysed for every case. Cervical pathology is classifies in
lesions affecting one level and those affecting more than one
level and, for every case, reconstructions are defined as stable
and potentially unstable. For each type of lesion there is
a recommendation to use one of the five types of reconstruction
plates
biomechanical properties of fixation plates used for anterior
arthrodesis of the cervical spine to define the most indicated
model for each pathology. Five types of plate differentiate in
the mechanics between of the interface between the screw
and the plate: 1. The interface free screw-plate, 2. Rigid S-P
interface, 3, Semi-rigid S-P interface, 4, Dynamic T-P interface
with vertical displacement of the screw and 5. Dynamic TP
interface with angular displacement of the screw. The
adjustment under load mechanism and failure modes are
analysed for every case. Cervical pathology is classifies in
lesions affecting one level and those affecting more than one
level and, for every case, reconstructions are defined as stable
and potentially unstable. For each type of lesion there is
a recommendation to use one of the five types of reconstruction
plates
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