Testing of a brain sample
Feasibility tests were performed to verify the Mach-1’s ability to measure penetration on a brain specimen. Varying needle gauges were used on a veal brain specimen while measuring force with a 50g load cell. The results showed that the 50g load cell was able to capture the varying forces involved.
Figures
Figure 1 — Show caption
Needle penetration test setup on a brain specimen.
Figure 2 — Show caption
Force-depth response during needle penetration at 1 mm/s using a 22-gauge needle.
Figure 3 — Show caption
Force-depth response during needle penetration at 2 mm/s using a 30-gauge needle.
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