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Mohammad Tauviqirrahman
Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Soedarto, SH, Tembalang, Semarang, Jawa Tengah, 50275
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering 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 . Jamari . Sugiyanto . Sugiyanto Abdul Syakur Agung Warsito Agus Setiawan Ajialamsyah, Dimas Aldian Ghani Rahman Andar Naek Kristian Nainggolan Andhika Mas Maulana Andreas Partogi H Andromeda, Trias Ariayuda, Muhamad Ari B, Herru Santosa Bara Songka Laktona Siregar Baskoro, Sefrian Imam Ben Oni Pugastri Berkah F.T.K. Budi Setiyana Budi Setiyana Budiman, Rifki Ardiansyah Budiman, Rifky Ardiansyah C. Ansori Cleves Ibrahim Akbar D.J. Schipper D.J. Schipper Defi Fatmawati Deni Mulyana Eflita Yohana Eflita Yohana Egastya Fazal Santoso Eko Saputra Eko Saputra Emile van der Heide Eva Hertnacahyani Herraprastansi Fakhriansyah, Fakhriansyah Farhansyah Savero Fiki Firdaus Fuad Hilmy Gerardus Alvin Kalbuadhi Heide, Emile van der Hidayat Ramadhan Hidayatulloh, Syahrul Nur J Jamari J Jamari J. Jamari J.D. Setiawan Jamari Jamari Jamari Jamari Jamari Juliansyah, Muhammad Anas Jumadi, Dede K. R. Widodo K. R. Widodo Lovida Ahmad Rifo Alfarizky M Agam Julianpatria Adhi M.D. Surindra Michael Wijaya Muchammad Muchammad Muchammad Muchammad Muchammad, M Muhammad Arya Wavizayyan Muhammad Imron Rosyadi Muhammad Khafidh Muhammad Luthfi Munadi Munadi Muthik, B. Ojo Kurdi Paryanto Paryanto Pramono, Diki Dwi R. Ismail R. Ismail R. Ismail R. Ismail Rahmanu, Zakaria Rifki Ardiansyah Budiman Rifky Ismail Risky, R. Rizqy Amanullah Akbar Rr. Poppy Puspitasari Rusnaldy Rusnaldy S. Hermawan Salam, Haipan Sanilo, Ruben Schipper D. J. Sri Nugroho Sugiyanto Sugiyanto Sugiyanto Sulardjaka Sulardjaka Suryaman, Mufti M. Taufik, Ikhwan Taufiqurrohman Taufiqurrohman Tian Setiazi Toni Prahasto William Partogi Hutagaol Yudhi Prasetyo, Yudhi Yusuf Muhammad Rizki Zaeni, Fahreza Arfan