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Volume 57
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10.3390/medicina57010071
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Article

Fluid Lubrication and Cooling Effects in Diamond Grinding of Human Iliac Bone

by
Yoshihiro Kitahama
1,2,*,
Hiroo Shizuka
3,
Ritsu Kimura
3,
Tomo Suzuki
1,
Yukoh Ohara
4,
Hideaki Miyake
2 and
Katsuhiko Sakai
3
1
Spine Center, Omaezaki Municipal Hospital, Shizuoka 437-1696, Japan
2
Medical Photonics Research Center, Hamamatsu University School of Medicine, Hamamatsu 431-3192, Japan
3
Department of Mechanical Engineering, Faculty of Engineering, Shizuoka University, Hamamatsu 422-8529, Japan
4
Department of Neurosurgery, Juntendo University School of Medicine, Tokyo 113-8421, Japan
*
Author to whom correspondence should be addressed.
Medicina 2021, 57(1), 71; https://doi.org/10.3390/medicina57010071
Submission received: 12 December 2020 / Revised: 3 January 2021 / Accepted: 7 January 2021 / Published: 14 January 2021
(This article belongs to the Special Issue Complex and Minimally Invasive Spine Surgery)
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Abstract

Background and Objectives: Although there have been research on bone cutting, there have been few research on bone grinding. This study reports the measurement results of the experimental system that simulated partial laminectomy in microscopic spine surgery. The purpose of this study was to examine the fluid lubrication and cooling in bone grinding, histological characteristics of workpieces, and differences in grinding between manual and milling machines. Materials and Methods: Thiel-fixed human iliac bones were used as workpieces. A neurosurgical microdrill was used as a drill system. The workpieces were fixed to a 4-component piezo-electric dynamometer and fixtures, which was used to measure the triaxial power during bone grinding. Grinding tasks were performed by manual activity and a small milling machine with or without water. Results: In bone grinding with 4-mm diameter diamond burs and water, reduction in the number of sudden increases in grinding resistance and cooling effect of over 100 °C were confirmed. Conclusion: Manual grinding may enable the control of the grinding speed and cutting depth while giving top priority to uniform torque on the work piece applied by tools. Observing the drill tip using a triaxial dynamometer in the quantification of surgery may provide useful data for the development of safety mechanisms to prevent a sudden deviation of the drill tip.
Keywords: spine surgery; bone cutting; grinding; fluid lubrication; cooling effect spine surgery; bone cutting; grinding; fluid lubrication; cooling effect

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MDPI and ACS Style

Kitahama, Y.; Shizuka, H.; Kimura, R.; Suzuki, T.; Ohara, Y.; Miyake, H.; Sakai, K. Fluid Lubrication and Cooling Effects in Diamond Grinding of Human Iliac Bone. Medicina 2021, 57, 71. https://doi.org/10.3390/medicina57010071

AMA Style

Kitahama Y, Shizuka H, Kimura R, Suzuki T, Ohara Y, Miyake H, Sakai K. Fluid Lubrication and Cooling Effects in Diamond Grinding of Human Iliac Bone. Medicina. 2021; 57(1):71. https://doi.org/10.3390/medicina57010071

Chicago/Turabian Style

Kitahama, Yoshihiro, Hiroo Shizuka, Ritsu Kimura, Tomo Suzuki, Yukoh Ohara, Hideaki Miyake, and Katsuhiko Sakai. 2021. "Fluid Lubrication and Cooling Effects in Diamond Grinding of Human Iliac Bone" Medicina 57, no. 1: 71. https://doi.org/10.3390/medicina57010071

APA Style

Kitahama, Y., Shizuka, H., Kimura, R., Suzuki, T., Ohara, Y., Miyake, H., & Sakai, K. (2021). Fluid Lubrication and Cooling Effects in Diamond Grinding of Human Iliac Bone. Medicina, 57(1), 71. https://doi.org/10.3390/medicina57010071

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