Biomechanics of bipolar hip endoprostheses

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WebApr 1, 2005 · Europe PMC is an archive of life sciences journal literature. WebThe results obtained are favorable for the bipolar hip endoprosthesis, and they can be related to the biomechanical differences between the three types of hip …

Structural differences between hip endoprostheses, and …

WebMar 1, 1992 · The HEPFlEx-hip simulator (Hemi-EndoProsthesis Flexion Extension) was developed and the frictional coefficients produced by the different head materials and the … shark teams background

Dynamic behavior of tripolar hip endoprostheses under …

Webresults obtained are favorable for the bipolar hip endoprosthesis, and they can be related to the biomechanical diﬀerences between the three types of hip endoprostheses. Kinetic advantages of the BPEP as compared to the UPEP, can be explained by the BPEP’s structure: two-level mo- WebNov 1, 2005 · The results obtained are favorable for the bipolar hip endoprosthesis, and they can be related to the biomechanical differences between the three types of hip endoprostheses. Kinetic advantages of ... WebSearch worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J shark team nrl

The history of hip replacement and one approach - Academia.edu

Mechanical Aspects of Self-Alignment Mechanism in Hip Bipolar ...

WebApr 9, 2014 · Biomechanics and Implant Technology Research Laboratory, Department of Orthopaedics, University Medicine Rostock, Rostock, Germany ... For this type of total hip endoprostheses, an eccentric design of the outer bearing is assumed in order to provide a force-dependent self-centering mechanism and an improved joint stability against … WebHemiarthroplasty of the hip is commonly used to treat displaced femoral neck fractures in the elderly. 2,4-6,19 The choice of prosthesis type and fixation method used for this purpose is controversial. A bipolar hemiarthroplasty design has been used for this purpose for more than 30 years. 4,15,16 The proposed advantages of using the bipolar design rather than … population map of usa 2021WebApr 1, 2005 · The self-centering mechanism of the bipolar endoprosthesis functioned in the patients with osteonecrosis, but did not work in the coxarthrosis group. Keywords hip … population map of scotland

"WebJun 22, 2024 · Summary. Bipolar hemiarthroplasty (BHA) is a surgical treatment for femoral neck fractures of the hip. An artificial joint with two bearings replaces the damaged joint. The bearings allow the head ... " - Biomechanics of bipolar hip endoprostheses

Biomechanics of bipolar hip endoprostheses

Does the self-centering mechanism of bipolar hip endoprosthesis …

Webhead are the basic features of the bipolar hip endoprosthesis, which articulates at the polyethylene bearing insert and the polished metal outer head. The motion is likely to … WebAbstract. The bipolar endoprosthesis was designed to alleviate problems encountered with conventional hip endoprostheses. Recent designs have advocated the use of …

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WebThe bipolar endoprosthesis was designed to alleviate problems encountered with conventional hip endoprostheses. Recent designs have advocated the use of offset … WebJan 1, 2008 · Only a few cases of bipolar hip prosthesis dislocation due to dissociation between the polyethylene and inner head of the prosthesis have been reported. We …

WebJan 1, 2014 · Hence, the objective of this biomechanical study was to examine the in vivo dynamics and dislocation behavior of two types of tripolar systems compared to a … WebIt was found that flexion, abduction and adduction were significantly higher in the BPEP endoprosthesis ( P < 0.05). The results obtained are favourable for the bipolar hip …

WebJan 1, 2014 · Krein and Chao examined the dynamic of both concentric and eccentric bipolar hip endoprostheses under cyclic axial load. The theoretically and practically reported results were similar to those observed in this study. ... Biomechanics of bipolar hip endoprostheses. J Orthop Res, 2 (4) (1984), pp. 356-368. CrossRef View Record in … WebThe implantation of a bipolar partial hip endoprosthesis is a treatment of choice for displaced medial femoral neck fracture. We present an experimental study which asses and compare biomechanical and clinical status through period before and after hip fracture and implantation of bipolar partial hip endoprosthesis. This study encompassed 75 ...

WebJan 1, 1984 · Search life-sciences literature (39,397,469 articles, preprints and more) Search. Quick link: Coronavirus articles and preprints

WebThe results obtained are favorable for the bipolar hip endoprosthesis, and they can be related to the biomechanical differences between the three types of hip endoprostheses. Kinetic advantages of the BPEP as compared to the UPEP, can be explained by the BPEP's structure: two-level mobility and a thinner neck which delays impingement in the ... shark teasing combWebJun 22, 2024 · BHA provides a prosthesis with two joints, allowing most movements to occur at the inner bearing between the prosthetic head and the plastic liner of the bipolar … shark tears apart swimmerWebPellegrino Ferrara. 2016. Hip replacement is a surgical procedure in which the hip joint is replaced by a prosthetic implant. Hip replacement surgery can be performed as a total replacement or a hemi (half) replacement. Such joint replacement orthopaedic surgery is generally conducted to relieve arthritis pain or in some hip fractures. population mating structureWebThe results obtained are favourable for the bipolar hip endoprosthesis, and they can be related to the biomechanical differences between both types of hip endoprosthesis. Some functional parameters of the hip-joint 3.3 years on average (range 2–8.6 years) after hip arthroplasty are compared with regard to two types of population maresfield englandWebOct 1, 1999 · The relative motion of 3 different bipolar endoprostheses was evaluated in vitro. A paired fresh acetabulum was frozen at 0°C and defrosted 12 hours before the experiment. ... Bipolar versus total hip arthroplasty for avascular necrosis of the femoral head. Clin Orthop, 261 (1990), p. 59. ... Biomechanics of bipolar endoprostheses. J … population map of south asiaWebThe implantation of a bipolar partial hip endoprosthesis is a treatment of choice for displaced medial femoral neck fracture. We present an experimental study which asses … population maps of texasWebApr 1, 2005 · 38 patients with 41 bipolar hip endoprostheses (30 for coxarthrosis and 11 for osteonecrosis of femoral head) were included in this study. Two radiographs of each case were taken to evaluate the self-centering mechanism. The first anteroposterior radiograph of both hip joints was taken at the maximum abduction while the patient … population maps by county