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J. Jamari
Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro, Semarang, Indonesia.
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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Journal : Makara Journal of Technology

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Modified Design of Pin-on-Ring Tribometer for Hip Joint Prostheses Measurement; Case Study on Salat Activity Khafidh, Muhammad; Jamari, Jamari; Sulardjaka, Sulardjaka; Tauviqirrahman, Mohamad; Heide, Emile van der
Makara Journal of Technology Vol. 18, No. 3
Publisher : UI Scholars Hub

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Abstract

Total hip replacement (THR) is one of the most successful orthopedic surgical procedures for replacing a broken hip joint. In THR, wear may occur at the articulating surface of the acetabular cup and the femoral head. In Indonesia, the country with the largest Muslim population in the world, most of the inhabitants do salat (praying) every day. THR users are banned from doing salat for fear it will damage the hip joint prostheses. The previous wear calculation methods on the hip joint prostheses use the gravimetric, coordinate measuring machine (CMM), profiler, and geometric method. The disadvantages of the previous methods are that the geometry of the wear patch and the wear volume are only known at the end of the experiment, so they cannot be used to calculate the specific wear rate values in real time. So far, in every modeling of the hip joint prostheses, the values of the specific wear rate are assumed to be constant. This paper reports on the design modification of a pin-on-ring tribometer that is used to measure the wear volumes in hip joint prostheses. The result shows that modifications of the femoral head holder, reciprocating motion, elastic joint, and extra displacement transducer is needed to get the specific wear rate value. The calculation method to find the delta volume that is the value of displacement less than the displacement minimum (δmin) is based on a graph, while the calculation method to find the delta volume that is the value of displacement that is more than the displacement minimum (δmin) is based on an equation. In the salat test protocol, the longest test time was during the sujud (prostration) motion, which took 1034.17 minutes in the experiment.
Co-Authors . Ismoyo . Qomaruddin . Sugiyanto . Sugiyanto A R Ismawan A.P. Bayuseno A.V. Yolanda Aan Burhanudin Abd. Rasyid Syamsuri Abdul Syakur Achmad Widodo Agung Warsito Ammarullah, Muhammad Imam Andromeda, Trias Anwar, Yusran Arda Yusra Atanasius Priharyoto Bayuseno Audy Audy Awan Raswan Awan Raswan B.S. Hardjuno Bambang S. Hardjuno Bayuseno, A. P. Berkah F.T.K. Budi Setiyana Budi Setiyana Budi Setiyana C. Ansori Candratama, Aditya D.J. Schipper D.J. Schipper D.J. Schipper Deni Mulyana Deni Mulyana Dian Prabowo Dian Prabowo Didi Dwi Krisnandi DikJoe Schipper Dody Bactiar E. Saputra Eko Armanto Eko Saputra Eko Saputra Eko Saputra Emile van der Heide Fajar Hari Priyoga, Fajar Hari Fiki Firdaus Fiki Firdaus Gilang Ramadhan Gostsa Khusnun Naufal Gostsa Khusnun Naufal H Hadiyanto Hasan Basri Heide, Emile van der Hendi Giritama Wibowo I Syafa’at I. Haryanto I. Syafa’at I. Syafa’at Imam Syafaat Ismoyo Hariyanto Ismoyo Haryanto Iwan Budiwan Iwan Budiwan Anwar J.D. Setiawan J.D. Setiawan Joga D. Setiawan Joga Dharma Setiawan K. R. Widodo K. R. Widodo Kristianto, Henry M. Tauviqirrachman M. Taviqirrahman M.D. Surindra M.Pd S.T. S.Pd. I Gde Wawan Sudatha . Mohammad Tauviqirrahman Muchammad Muchammad Muhammad Khafidh Munadi Munadi Nana Supriyana Novel Karaman Petrus Londa Pribadyo Pribadyo R. Ismail R. Ismail R. Ismail R. Ismail R. Ismail R. Ismail R. Ismail R. Winarso Rifky Ismail S.A. Widyanto S.A. Widyanto Saad, Amir Putra Md Schipper D. J. Sri Nugroho Sugiyanto - Sugiyanto Sugiyanto Sugiyanto Sulardjaka Sulardjaka Sumar Hadi Suryo Suprianti, Lilik Susilo Adi Widyanto Syafa’at, Imam Syahrom, Ardiyansyah Syaiful . Taufiq Hidayat Ubaidillah Aqil Wahyudi, A. Imam Yuris Setyoadi