Experimental investigations of forces and torque in conventional and ultrasonically-assisted drilling of cortical bone

被引：162

作者：

Alam, K. ^{[1
,2
]}

Mitrofanov, A. V. ^{[2
]}

Silberschmidt, V. V. ^{[2
]}

机构：

[1] Natl Univ Sci & Technol, SMME, Islamabad 44000, Pakistan

[2] Univ Loughborough, Wolfson Sch Mech & Mfg Engn, Loughborough LE11 3TU, Leics, England

来源：

MEDICAL ENGINEERING & PHYSICS | 2011年 / 33卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

Bone drilling; Thrust force; Drilling torque; Orthopaedics; Ultrasonic vibration; Experimental methods; CHIP MORPHOLOGY; TEMPERATURES; ALLOYS; DESIGN;

D O I：

10.1016/j.medengphy.2010.10.003

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Bone drilling is widely used in orthopaedics and surgery; it is a technically demanding surgical procedure. Recent technological improvements in this area are focused on efforts to reduce forces in bone drilling. This study focuses on forces and a torque required for conventional and ultrasonically-assisted tool penetration into fresh bovine cortical bone. Drilling tests were performed with two drilling techniques, and the influence of drilling speed, feed rate and parameters of ultrasonic vibration on the forces and torque was studied. Ultrasonically-assisted drilling (UAD) was found to reduce a drilling thrust force and torque compared to conventional drilling (CD). The mechanism behind lower levels of forces and torque was explored, using high-speed filming of a drill-bone interaction zone, and was linked to the chip shape and character of its formation. It is expected that UAD will produce holes with minimal effort and avoid unnecessary damage and accompanying pain during the incision. (C) 2010 IPEM. Published by Elsevier Ltd. All rights reserved.

引用

页码：234 / 239

页数：6

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