Femoral stem
The migration pattern of the Charnley femoral stem: a five-year follow-up RSA study in a well-functioning patient group
... 40 femoral stem prosthesis fixated with either Palacos R or SmartSet HV ...in stem fixation was found at the 2-year follow-up ...Charnley stem, regardless of the type of cement ...
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A framework for designing, analyzing and classifying cementless femoral stem for malay population
... Summit stem (Pettersen et ...Indian femoral stem using a 3 axis CNC machine after finding that the equivalent von Misses stress result from FEA was below 160 MPa and prevented endosteal fractures ...
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Revision total hip arthroplasty using the Zweymuller femoral stem
... Zweymuller femoral stem is designed with a unique geometry, which provides several advantages when used in revision ...Extensive femoral bone deficiencies such as Paprosky IIIa or IIIb [4] may be ...
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Femoral stem wear in cemented total hip replacement
... to femoral stem wear have been well documented by orthopaedic surgeons and researchers, from which much insight has been ...the femoral stem surface finish and femoral stem wear ...
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Morphological study of the newly designed cementless femoral stem
... cementless femoral stem that was specifically designed for dysplastic hips with proximal fitting anterolaterally flared stems, which has showed promising ...peculiar femoral morphology that differs ...
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Migration analysis of a metaphyseal anchored short femoral stem in cementless THA and factors affecting the stem subsidence
... Preoperative templating was performed using the meas- urement templates provided by the company (Mathys, Bettlach, Switzerland) on calibrated standard x-rays in order to determine stem size and offset. All cases ...
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Minimal stress shielding with a Mallory-Head titanium femoral stem with proximal porous coating in total hip arthroplasty
... This femoral stem with its tapered titanium design and cir- cumferential proximal plasma spray porous coating in well-fixed and well-functioning total hip arthroplasty does not cause the classic ...
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Effect of altered proximal femoral geometry on predicting femoral stem anteversion in patients with developmental dysplasia of the hip
... different femoral levels and the postoperative stem anteversion after THA in OA pa- tients [9, 13, ...the femoral stem version [9, 13, ...the femoral canal version at CLT was the most ...
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Changes in Femoral Stem Geometry Reduce Intraoperative Femoral Fracture Rates in Total Hip Replacement
... in stem design would influence intraoperative fracture ...respectively. Stem survivor- ship with aseptic loosening as an endpoint was 100% in all cohorts at the final ...in femoral stem ...
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Evaluation of fretting wear on the femoral stem surface
... The femoral stem was visually assessed to establish the overall locations of the worn areas, before the surface morphology was examined employing a Leica optical ...the stem was determined using ...
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The loading patterns of a short femoral stem in total hip arthroplasty: gait analysis at increasing walking speeds and inclines
... short femoral stem, a study examining the entire range of gait speed and incline was sought for a short stem ...impact femoral stem length has on sym- metry with ground reaction forces, ...
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The Trochanteric Wing of the Zweymüller Femoral Stem does Not Affect Rotational Stability: An Experimental Study Using a Resin Bone Model
... Preserve stem is a modified Zweymüller femoral stem that omits the trochanteric ...Zweymüller femoral stem and the original Zweymüller femoral ...Zweymüller stem. Preserve ...
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Design process of cementless femoral stem using a nonlinear three dimensional finite element analysis
... the stem and bone were assumed to be fully bonded without ...designed stem demonstrated well distributed stress proximally, and micromotion under threshold for osseointegration (less than 40 ...several ...
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Can bone apposition predict the retention force of a femoral stem? An experimental weight bearing hip implant model in goats
... Two investigators (KH and CLE) independently evalu- ated all samples. For each parameter, a semi-quantitative score was provided as follows. The sample was divided into 4 sectors, excluding the grooves. In each sector, ...
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Design process of cementless femoral stem using a nonlinear three dimensional finite element analysis
... designed stem fitted ...straight stem filling from a frontal view [45]. Our study demonstrated the stem filling the endosteal canal to ...cementless stem (FMS), followed by an anatomical ...
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Review of Tapered Femoral Stem Fixation in Cemented Total Hip Replacements
... The cup was manufactured from ultra-high molecular weight polyethylene. As a 29.75mm head diameter had been selected, the problem arose of how to obtain a thick layer of polyethylene in the projected wear path of the ...
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Uncemented, curved, short endoprosthesis stem for distal femoral reconstruction: early follow up outcomes
... with femoral stem loosening reported in eight cases and stem fracture in ...GMRS stem in 35 patients who had undergone DFR. Aseptic loosening and stem fracture were not observed during ...
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A comparison of a short versus a conventional femoral cementless stem in total hip arthroplasty in patients 70 years and older
... short stem was inserted in a broach-only fashion and obtained a tight metaphyseal ...alloy stem and has a proximal trapexoidal cross section and a tapered distal ...
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Exosomes from Human Synovial-Derived Mesenchymal Stem Cells Prevent Glucocorticoid-Induced Osteonecrosis of the Femoral Head in the Rat
... The femoral heads were dissected and fixed overnight in 4% paraformaldehyde, decalcified in 10% EDTA for 28 days, and embedded in paraffin. Samples were cut into 5-µm sections, deparaffinised in xylene, and ...
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Original Article Effect of bone mesenchymal stem cells transplantation on the micro-environment of early osteonecrosis of the femoral head
... BMSCs are regarded as potential seed cells for bone tissue engineering [7], and have differen- tiated into osteoblasts (OB) to restore trabecu- lar bone [8]. Moreover, BMSCs can secrete large amounts of growth factors ...
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