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Updated: Jan 21, 2026

Sampling Strategies and Processing of Biobank Tissue Samples from Porcine Biomedical Models
Published on: March 6, 2018
Analysis of the process parameters affecting the bone burring process: An in-vitro porcine study
Jonathan R Kusins1, O Remus Tutunea-Fatan1, George S Athwal2
1Department of Mechanical and Materials Engineering, Western University, Ontario, N6A 5B9, London, Canada.
Background:
A stable bone burring process, which avoids thermal osteonecrosis and minimizes harmful vibrations, is important for certain orthopedic surgical procedures, and especially relevant to robot-operated bone burring systems.
Methods:
An experimental characterization of the effects of several bone burring process parameters was performed. Burring parameters were evaluated by resultant bone temperature, tool vibration, and burring force.
Results:
An optimal combination of bone burring parameters produced minimums in both bone temperature (<40°C) and tool vibration (<4 g-rms). A cylindrical burr, oriented normal to the specimen, resulted in significantly higher temperatures (50.8 ± 6.8°C) compared with a spherical burr (33.5 ± 4.3°C) (P = .008). Regardless of the parameters tested, burring forces were less than 10 N.
Conclusions:
The recommended configuration, which minimized both bone temperature and vibrations experimentally, was a 6-mm spherical burr at 15 000 rpm with a 2 mm/s feed rate.
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