Analytical Study on Durability due to the Load of Artificial Knee Joint

Cho, Jae Ung

doi:10.15207/jkcs.2014.5.2.007

Journal of the Korea Convergence Society

2014

DOI: 10.15207/jkcs.2014.5.2.007

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Analytical Study on Durability due to the Load of Artificial Knee Joint

Jae Ung Cho¹

Abstract: The artificial joint is consisted with the upper structure of tungsten alloy steel and the lower part of polyethelene are applied with load. When this joint is applied with load in this study, the load distribution at the joint and the stress distribution of support hole to install the joint are investigated by finite element analysis. These results can be utilized at obtaining the basic material to have the experiment for the real thing. The crack is initiated as the load is concentrated at the end of corner … Show more

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Cited by 2 publications

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Development of severity-adjusted length of stay in knee replacement surgery

Hong¹,

Kim²,

Choi³

et al. 2015

Journal of Digital Convergence

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This study was conducted to develop a severity-adjusted LOS(Length of Stay) model for knee replacement patients and identify factors that can influence the LOS by using the Korean National Hospital Discharge in-depth Injury Survey data. The comorbidity scoring systems and data-mining methods were used to design a severity-adjusted LOS model which covered 4,102 knee replacement patients. In this study, a decision tree model using CCS comorbidity scoring index was chosen for the final model that produced superior results. Factors such as presence of arthritis, patient sex and admission route etc. influenced patient length of stay. And there was a statistically significant difference between real LOS and adjusted LOS resulted from health-insurance type, bed size, and hospital location. Therefore the policy alternative on excessive medical utilization is needed to reduce variation in length of hospital stay in patients who undergo knee replacement.

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Development of severity-adjusted length of stay in knee replacement surgery

Hong¹,

Kim²,

Choi³

et al. 2015

Journal of Digital Convergence

View full text Add to dashboard Cite

show abstract

The Convergence Study on the Effects of Combined Exercise Rehabilitation on Lower limb Muscular function and Cytokines in the Taekwondo players with Patellofemoral Pain Syndrome

An¹

2017

Journal of the Korea Convergence Society

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• 주제어 : 태권도, 복합 운동재활, 무릎넙다리통증증후군, 하지 근기능, 인터루킨-6, 종양괴사인자-알파 AbstractThe purpose of this study was to determined the converge effects of combined exercise rehabilitation on lower limb muscular function and cytokines in taekwondo player with patellofemoral pain syndrome. In this study, combined exercise rehabilitation(aquatic exercise 3 times a week, resistance exercise 2 times a week) was performed and 20 collegiate taekwondo player with patellofemoral pain syndrome(control group: n=10, combined exercise rehabilitation group: n=10) were participated for 8 weeks. Statistical significance verification was carried out by a two -way ANOVA repeated measures design as a mixture using the SPSS 18.0 program. The statistically significant level was set at 0.05. The results of this study were as following. Peak torque was higher significantly in extensor(p<.001) and flexor(p<.01) at 60°/sec in the combined exercise rehabilitation group than the control group over combined exercise treatment period. Average power was higher significantly in extensor muscles at 180°/sec in the combined exercise rehabilitation group than the control group over combined exercise treatment period.(p <.01). The variable of TNF-a was higher significantly in the combined exercise rehabilitation group than the control group as over combined exercise treatment period. Therefore, it can be concluded that a combined exercise rehabilitation program is effective in improving the lower limb muscular function and TNF-a in Patellofemoral Pain Syndrome patient.

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Analytical Study on Durability due to the Load of Artificial Knee Joint

Cited by 2 publications

References 5 publications

Development of severity-adjusted length of stay in knee replacement surgery

Development of severity-adjusted length of stay in knee replacement surgery

The Convergence Study on the Effects of Combined Exercise Rehabilitation on Lower limb Muscular function and Cytokines in the Taekwondo players with Patellofemoral Pain Syndrome

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