Frictional Insertion Kinetics of Bone Biopsy Needles

[+] Author and Article Information
Anneliese D. Heiner, Joseph A. Buckwalter

Department of Orthopaedic Surgery, University of Iowa, Iowa City, IA 52242

Thomas D. Brown

Departments of Orthopaedic Surgery and Biomedical Engineering, University of Iowa, Iowa City, IA 52242

Victor Rossin

Allegiance Healthcare Corporation, McGaw Park, IL 60085

J Biomech Eng 123(6), 629-634 (Jul 10, 2001) (6 pages) doi:10.1115/1.1407829 History: Received January 11, 2001; Revised July 10, 2001
Copyright © 2001 by ASME
Topics: Force , Bone , needles
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Jamshidi-type bone biopsy needle (Allegiance Healthcare Corp., McGaw Park, IL). Inset shows close-up of needle tip.
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Testing configuration for bone biopsy needles. The urethane bone analog is attached to a load/torque cell (not shown).
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(a) Insertion energy and (b) peak resisting force comparisons of bone biopsy needle insertion into human PSIS and urethane bone analog. Use of the bone analog reduced the coefficient of variation (standard deviation/average) of insertion energy from 35 to 10 percent, and of peak resisting force from 34 to 10 percent.
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(a) Force and (b) torque waveforms of bone biopsy needle insertion into human PSIS and urethane bone analog. Light lines are the human PSIS data captures with the lowest, median and highest insertion energies (IE’s), and the dark line is the urethane bone analog data capture with the median insertion energy (IE).
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Typical data capture of bone biopsy needle insertion (baseline insertion protocol) into urethane bone analog. Arrow indicates cortico-cancellous transition.




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