Stress Analysis of the Scapula
Design Considerations of Glenoid Prostheses
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The book deals with a biomechanical analysis of stresses and strain in the scapula and the effect of inclusion of glenoid prosthesis with or without bone-cement. Finite Element (FE) method was used for the numerical analysis. Experimental validation was obtained using strain gage measurements. CT-scan data of the scapula has been used for realistic representation of geometry and material properties. Bone density and stiffness of scapula trabecular bone were related to CT-grey value. Using the static musculoskeletal shoulder model of forces, load transfer across the scapula has been analysed. T...
The book deals with a biomechanical analysis of
stresses and strain in the scapula and the effect of
inclusion of glenoid prosthesis with or without bone-
cement. Finite Element (FE) method was used for the
numerical analysis. Experimental validation was
obtained using strain gage measurements. CT-scan
data of the scapula has been used for realistic
representation of geometry and material properties.
Bone density and stiffness of scapula trabecular
bone were related to CT-grey value. Using the static
musculoskeletal shoulder model of forces, load
transfer across the scapula has been analysed. The
study suggests a new experimental set-up towards
strain gage validation of FE models of bone. Sub-
models (FE models) of two fundamental cemented
glenoid component designs (total polyethylene and
metal-backed polyethylene) and an uncemented metal-
backed design were analysed to understand the
relationship between stress generated in the
implanted glenoid and failure due to asceptic
loosening. Significance of this study lies in
analysing some failure criteria and suggesting
measures for improved glenoid prostheses in Total
Shoulder Arthroplasty.
stresses and strain in the scapula and the effect of
inclusion of glenoid prosthesis with or without bone-
cement. Finite Element (FE) method was used for the
numerical analysis. Experimental validation was
obtained using strain gage measurements. CT-scan
data of the scapula has been used for realistic
representation of geometry and material properties.
Bone density and stiffness of scapula trabecular
bone were related to CT-grey value. Using the static
musculoskeletal shoulder model of forces, load
transfer across the scapula has been analysed. The
study suggests a new experimental set-up towards
strain gage validation of FE models of bone. Sub-
models (FE models) of two fundamental cemented
glenoid component designs (total polyethylene and
metal-backed polyethylene) and an uncemented metal-
backed design were analysed to understand the
relationship between stress generated in the
implanted glenoid and failure due to asceptic
loosening. Significance of this study lies in
analysing some failure criteria and suggesting
measures for improved glenoid prostheses in Total
Shoulder Arthroplasty.
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