An energy-based brittle fracture model for hollow needle coring in soft tissue predicts core size, insertion forces, and critical depths while showing that friction improves force estimates, validated against experiments.
and the post-insertion force slope ๐น!#; therefore, uncertainties in either quantity, including the identification of ๐น
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Hollow Needle Puncture Mechanics for Biopsy Sampling
An energy-based brittle fracture model for hollow needle coring in soft tissue predicts core size, insertion forces, and critical depths while showing that friction improves force estimates, validated against experiments.