Abstract:
:The effect on the signal amplitude of ultrasonic waves propagating along cortical bone plates was modelled using a 2D Finite Difference code. Different healing stages, represented by modified fracture geometries were introduced to the plate model. A simple transverse and oblique fracture filled with water was introduced to simulate the inflammatory stage. Subsequently, a symmetric external callus surrounding a transverse fracture was modelled to represent an advanced stage of healing. In comparison to the baseline (intact plate) data, a large net loss in signal amplitude was produced for the simple transverse and oblique cases. Changing the geometry to an external callus with different mechanical properties caused the net loss in signal amplitude to reduce significantly. This relative change in signal amplitude as the geometry and mechanical properties of the fracture site change could potentially be used to monitor the healing process.
journal_name
Comput Methods Biomech Biomed Enginauthors
Dodd SP,Miles AW,Gheduzzi S,Humphrey VF,Cunningham JLdoi
10.1080/10255840701502387subject
Has Abstractpub_date
2007-10-01 00:00:00pages
371-5issue
5eissn
1025-5842issn
1476-8259pii
781500160journal_volume
10pub_type
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