KNEE IMPLANT: Answer 4 questions ( more or less 1 page in total): 1. Comment on how the geometry of the tibial component will affect the failure of the device over time. What could you do to improve the device’s lifespan based on its geometry and the effect of the geometry on the stress? 2. The prosthesis can be fixed to the bone by cement or a cementless method. Comment on the advantages and disadvantages of both methods. 3. Knee implants need to be able to withstand dynamic loads, be light in weight, and bioinert. There are 3 components within knee replacement devices. Detail the materials you would use for each of these components considering the 3 criteria mentioned, and explain your choices. 4. Imagine you have designed a new prosthesis for the knee. What criteria do you need to adhere to for it to be patentable, and please discuss what aspects of the design can be altered for your ‘new prosthesis’ to meet each of these criteria.
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