Biomechanics of bipolar hip endoprostheses

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August undefined, 2024

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 … WebOct 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 …

Biomechanical and Clinical Alterations of the Hip Joint

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 ... WebSep 1, 2010 · The implantation of a bipolar partial hip endoprosthesis is a treatment of choice for displaced medial femoral neck fracture. We present an experimental study … iphone se bluetoothイヤホン

Bipolar versus total hip endoprosthesis: functional results

WebApr 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 … 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 … iphone se body

Structural differences between hip endoprostheses, and

The BHU bicentric bipolar prosthesis in fracture neck femur in …

WebAug 1, 2024 · Biomechanics of bipolar hip endoprostheses. Article. Jan 1984; S W Krein; E.Y.S. Chao; The bipolar endoprosthesis was designed to alleviate problems encountered with conventional hip ... 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 … iphone se bmwWebApr 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 … orange focus rs

"WebThe 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 " - Biomechanics of bipolar hip endoprostheses

Biomechanics of bipolar hip endoprostheses

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

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 ... WebJun 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 …

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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 … 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 …

WebSearch worldwide, life-sciences literature Search. Advanced Search Coronavirus articles and preprints Search examples: "breast cancer" Smith J WebPellegrino 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.

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 … 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 ...

WebThe paper proposes a mechanical study of the self-centering mechanism of the bipolar prosthesis. This represents the fundamental principle of the bipolar construction, and relays on the offset between the inner and outer center of rotations of the bipolar head. In the paper, the kinematical aspects of the construction were recorded and explained by using …

WebAbstract. The bipolar endoprosthesis was designed to alleviate problems encountered with conventional hip endoprostheses. Recent designs have advocated the use of … iphone se bookcaseWebJan 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 … orange folding chairWebNov 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 ... iphone se bluetooth smart compatibleWebJan 1, 1984 · Search life-sciences literature (39,397,469 articles, preprints and more) Search. Quick link: Coronavirus articles and preprints orange folding picnic tableWebHemiarthroplasty of the hip using a low-friction bipolar endoprosthesis. Clin Orthop Relat Res 1983;86-92. ... Biomechanics of bipolar hip endoprostheses. J Orthop Res 1984;2:356-68. ASTM F561-97. Practice for Retrieval and Analysis of Implanted Medical Devices, and Associated Tissues. ASTM International, West Conshohocken, PA, 1997. iphone se body replacementWebresults 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- orange folding plastic chairsWebApr 1, 2005 · Europe PMC is an archive of life sciences journal literature. iphone se boulanger