A Case Study of Performance Improvement of Femur Prosthesis
الموضوعات :
Leila Shahryari
1
,
Behtash JavidSharifi
2
,
Mehdi Dabaghmanesh
3
1 - Associate Professor, Islamic Azad University, Shiraz Branch
2 - Construction Superintendent, Design & Development Department, Fars Regional Electric Company
3 - M.Sc. of Structural Engineering, Islamic Azad University, Shiraz Branch
تاريخ الإرسال : 26 الثلاثاء , ربيع الأول, 1440
تاريخ التأكيد : 08 الجمعة , رجب, 1440
تاريخ الإصدار : 16 الثلاثاء , ربيع الثاني, 1442
الکلمات المفتاحية:
Finite Element Analysis,
Femur,
Artificial prosthesis,
Geometric modeling,
ملخص المقالة :
Nowadays, the placement of artificial prostheses in human skeleton, etc. is common due to different reasons such as fractures or deficiencies. Prostheses are structures that assist the performance of organs by reconstruction of some body parts through different methods to enable the organ to re-obtain its performance completely or partially and, since the use of external prostheses might lead to issues such as severe traumas, slow recovery and imposition of enormous hospital costs on the patient, therefore, use of internal prostheses can be an effective method for accelerating the process of improvement for the patient. By using CT-scan photos of a 54-year-old man weighing 60 kg and with a femur length of 36 centimeters, and also using a titanium prosthesis with diameters equaling 9 and 13 mm along with screws with diameters of 4 mm whose placement are with angles of ±4, ±4 and ±36 degrees, the geometry of the model has been provided and the model has been analyzed through the finite element method. Results indicated that in case of using the prosthesis with the diameter of 13 mm and screws of 4 mm with angle of +36, the least stress will be imposed on the bone and prosthesis.
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