Abstract
For the first time, the design of a modular ceramic head of a total hip replacement (THR) has been developed, which has the properties of a metal in join with the stem neck and the properties of a ceramic on the bearing surface of a friction couple. This is achieved by creating a low-cost, low-toxic, strong connection of alumina or zirconium ceramics and a titanium alloy to obtain a soldered joint that is efficient in human synovial fluid. With the help of finite element analysis, a qualitative and quantitative assessment of the strength and rigidity of the proposed head design has been made. Also shown is an image of a finished soldered head made of alumina ceramic with a sleeve made of titanium alloy VT1-0.
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