Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions

Bone-drilling operation necessitates an accurate and efficient surgical drill bit to minimize thermal damage to the bone. This article provides a methodology for predicting the bone temperature elevation during surgical bone drilling and to gain a better understanding on the influences of the poin...

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Main Authors:	Mohd Faizal, Ali Akhbar, A. R., Yusoff
Format:	Article
Language:	English
Published:	SAGE Publications Ltd 2019
Subjects:	RD Surgery TJ Mechanical engineering and machinery TS Manufactures
Online Access:	http://umpir.ump.edu.my/id/eprint/23243/ http://umpir.ump.edu.my/id/eprint/23243/ http://umpir.ump.edu.my/id/eprint/23243/ http://umpir.ump.edu.my/id/eprint/23243/1/Drilling%20of%20bone%20Effect%20of%20drill%20bit%20geometries%20on%20thermal1.pdf

id	ump-23243
recordtype	eprints
spelling	ump-232432019-02-25T04:12:24Z http://umpir.ump.edu.my/id/eprint/23243/ Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions Mohd Faizal, Ali Akhbar A. R., Yusoff RD Surgery TJ Mechanical engineering and machinery TS Manufactures Bone-drilling operation necessitates an accurate and efficient surgical drill bit to minimize thermal damage to the bone. This article provides a methodology for predicting the bone temperature elevation during surgical bone drilling and to gain a better understanding on the influences of the point angle, helix angle and web thickness of the drill bit. The pro- posed approach utilized the normalized Cockroft–Latham damage criterion to predict material cracking in the drilling process. Drilling simulation software DEFORM-3D is used to approximate the bone temperature elevation correspond- ing to different drill bit geometries. To validate the simulation results, bone temperature elevations were evaluated by comparison with ex vivo bone-drilling process using bovine femurs. The computational results fit well with the ex vivo experiments with respect to different drill geometries. All the investigated drill bit geometries significantly affect bone temperature rise. It is discovered that the thermal osteonecrosis risk regions could be reduced with a point angle of 110 to 140, a helix angle of 5 to 30 and a web thickness of 5% to 40%. The drilling simulation could accurately estimate the maximum bone temperature elevation for various surgical drill bit point angles, web thickness and helix angles. Looking into the future, this work will lead to the research and redesign of the optimum surgical drill bit to minimize thermal insult during bone-drilling surgeries. SAGE Publications Ltd 2019 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/23243/1/Drilling%20of%20bone%20Effect%20of%20drill%20bit%20geometries%20on%20thermal1.pdf Mohd Faizal, Ali Akhbar and A. R., Yusoff (2019) Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 233 (2). pp. 207-218. ISSN 0954-4119 https://doi.org/10.1177%2F0954411918819113 https://doi.org/10.1177%2F0954411918819113
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	RD Surgery TJ Mechanical engineering and machinery TS Manufactures
spellingShingle	RD Surgery TJ Mechanical engineering and machinery TS Manufactures Mohd Faizal, Ali Akhbar A. R., Yusoff Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions
description	Bone-drilling operation necessitates an accurate and efficient surgical drill bit to minimize thermal damage to the bone. This article provides a methodology for predicting the bone temperature elevation during surgical bone drilling and to gain a better understanding on the influences of the point angle, helix angle and web thickness of the drill bit. The pro- posed approach utilized the normalized Cockroft–Latham damage criterion to predict material cracking in the drilling process. Drilling simulation software DEFORM-3D is used to approximate the bone temperature elevation correspond- ing to different drill bit geometries. To validate the simulation results, bone temperature elevations were evaluated by comparison with ex vivo bone-drilling process using bovine femurs. The computational results fit well with the ex vivo experiments with respect to different drill geometries. All the investigated drill bit geometries significantly affect bone temperature rise. It is discovered that the thermal osteonecrosis risk regions could be reduced with a point angle of 110 to 140, a helix angle of 5 to 30 and a web thickness of 5% to 40%. The drilling simulation could accurately estimate the maximum bone temperature elevation for various surgical drill bit point angles, web thickness and helix angles. Looking into the future, this work will lead to the research and redesign of the optimum surgical drill bit to minimize thermal insult during bone-drilling surgeries.
format	Article
author	Mohd Faizal, Ali Akhbar A. R., Yusoff
author_facet	Mohd Faizal, Ali Akhbar A. R., Yusoff
author_sort	Mohd Faizal, Ali Akhbar
title	Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions
title_short	Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions
title_full	Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions
title_fullStr	Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions
title_full_unstemmed	Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions
title_sort	drilling of bone: effect of drill bit geometries on thermal osteonecrosis risk regions
publisher	SAGE Publications Ltd
publishDate	2019
url	http://umpir.ump.edu.my/id/eprint/23243/ http://umpir.ump.edu.my/id/eprint/23243/ http://umpir.ump.edu.my/id/eprint/23243/ http://umpir.ump.edu.my/id/eprint/23243/1/Drilling%20of%20bone%20Effect%20of%20drill%20bit%20geometries%20on%20thermal1.pdf
first_indexed	2023-09-18T22:34:42Z
last_indexed	2023-09-18T22:34:42Z
_version_	1777416518241353728

Drilling of bone: Effect of drill bit geometries on thermal osteonecrosis risk regions

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