نتایج جستجو برای: Hip Prosthesis
تعداد نتایج: 88373 فیلتر نتایج به سال:
Purpose: Hemipelvectomy amputation is a surgical procedure in which the lower limb and part of the pelvis are removed. Although few studies are available on the performance of individuals with hip disarticulation while walking, there is no study on gait analysis of hemipelvectomy subjects. Therefore, this study aimed to evaluate the gait and stability of an individual with hemipelvectomy amput...
recently, as the result of the development in modern imaging, computerized three dimensional data processing and advanced engineering techniques, an prosthesis that match the skeletal anatomy can be accurately designed from computer aided design (cad) technique and the physical model of prosthesis or skull replica can be produced through rapid prototyping (rp), rapid tooling (rt), and computer ...
Abstract Background : Beam-hardening artifacts in CT image set of patient with a hip prosthesis cause difference between dose distributions resulted by treatment planning system (TPS) algorithms and actual dose distribution in patient body. In this study, dose distributions of TPS algorithms were compared with the results of Monte Carlo simulations of Titanium and Steal as a h...
Background: Cementless hip prosthesis was designed to provide biologic fixation, without the use of cement. The second generation components have shown more reliable bone ingrowths and survival rates. We are reporting a midterm result of two designs of cementless prosthesis in a unique culture with different social habits and expectations.Methods: 52 primary cementless total hip arthroplasty in...
A composite hip prosthesis (CHP) made from alumina reinforced ultra high molecular weight polyethylene (UHMWPE) was designed and manufactured. The main objective of the study was to fabricate the composite hip prosthesis which would be an ideal replacement of metallic one as bone is a composite material consisting of collagen fibre matrix and embedded hydroxyapatite mineral. With this idea we d...
In order to determine the magnitude of temperature increases in resurfaced hips, temperature sensors were placed percutaneously in both hip joints of 12 volunteer patients who had 1 or both joints resurfaced. Temperature recordings were made with patients at rest (baseline) and after patients walked for 20 and 60 minutes. The hip resurfacing procedures were performed 12 to 36 months prior to th...
Background: Short-stem prosthesis for total hip arthroplasty (THA) have been designed to overcome the weakness of standard-stem prostheses and improve surgical outcomes. The aim of this study was to compare short-stem with standard-stem prosthesis outcomes. Methods: This study was performed as a randomized clinical trial. Subjects were selected among patients referred to Sina University Hospit...
Infection remains a serious complication after total hip arthroplasty (THA) and is a leading cause of hip revision surgery. It is currently accepted that removal of the prosthesis is essential to curing an infection when facing chronic PJIs with prosthesis loosening. In order to avoid the disadvantages of a two-stage approach, some authors have proposed a one-stage hip revision for the treatmen...
PURPOSE To assess the clinical and radiological outcomes of total hip replacement (THR) using the cone femoral prosthesis. METHODS Four men and 15 women (26 hips) aged 19 to 78 (mean, 45) years underwent THR for osteoarthritis of the hip with femoral dysplasia using the cone femoral prosthesis. Only 17 patients (24 hips) were available for review. Pain and functional limitation were assessed ...
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