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Analysis and optimization of cortical bone drilling process based on stochastic optimization.

Ghodratollah Taheri¹, Reza Saeidi Abueshaghi², Farbod Setoudeh²

¹Department of Mechanical Engineering, Faculty of Mechanical Engineering, Arak University of Technology, Arak, Markazi, Iran.

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine

|March 13, 2025

Summary

This summary is machine-generated.

Optimizing bone drilling parameters like speed and feed rate is crucial for orthopedic surgery. Controlling temperature below 47°C prevents thermal necrosis and improves surgical outcomes.

Keywords:

Rotational Speed SPSA optimization bone drilling feeding speed sensitivity analysis temperature control tool diameter

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Area of Science:

Orthopedic surgery
Biomaterials engineering
Surgical tool development

Background:

Bone drilling is critical for orthopedic procedures but generates heat, risking thermal necrosis.
High temperatures (>47°C) damage bone cells, causing micro-cracks and structural damage.

Purpose of the Study:

To investigate the impact of drilling parameters on bone temperature.
To optimize drilling parameters for improved orthopedic surgery outcomes.
To mitigate the risk of thermal necrosis during bone machining.

Main Methods:

Laboratory experiments analyzing rotational speed, feed rate, and tool diameter.
Statistical modeling using Analysis of Variance (ANOVA).
Sensitivity analysis and optimization using Simultaneous Perturbation Stochastic Approximation (SPSA).

Main Results:

Drilling parameters significantly influence temperature generation.
Optimized parameters effectively control temperature during bone drilling.
Bone type and material properties affect temperature fluctuations.

Conclusions:

Parameter optimization is vital for enhancing orthopedic procedures.
Effective temperature management reduces the risk of thermal necrosis.
This research provides a framework for safer and more effective bone drilling.