Experimental evaluation of the holding power/stiffness of the self-tapping bone screws in normal and osteoporotic bone material

Clinical Biomechanics

Volumn 21, Issue 5, 2006, Pages 533-537

  Battula, Suneel ^a   Schoenfeld, Andrew ^b   Vrabec, Gregory ^b   Njus, Glen O ^a  

^a The University of Akron   (United States)

^b AKRON GENERAL MEDICAL CENTER   (United States)

Author keywords

Biomechanical testing; Depth of insertion; Holding power; Osteoporosis; Screw pullout; Self tapping screws

Indexed keywords

BIOMECHANICS; BIOTECHNOLOGY; SCREWS; STAINLESS STEEL; SURGERY;

BIOMECHANICAL TESTING; DEPTH OF INSERTION; HOLDING POWER; OSTEOPOROSIS; SCREW PULLOUT; SELF-TAPPING SCREWS;

BONE;

STAINLESS STEEL; TITANIUM;

ANALYSIS OF VARIANCE; ARTICLE; BIOMECHANICS; BONE; BONE SCREW; CORTICAL BONE; OSTEOPOROSIS; PRIORITY JOURNAL; RIGIDITY; SELF TAPPING BONE SCREW;

BONE AND BONES; BONE SCREWS; ELASTICITY; EQUIPMENT DESIGN; EQUIPMENT FAILURE ANALYSIS; FRICTION; HUMANS; OSTEOPOROSIS; STRESS, MECHANICAL;

EID: 33646091529     PISSN: 02680033     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.clinbiomech.2005.12.020     Document Type: Article

References (10)

1. Annual Book of ASTM Standards, Sec 13, Medical Devices and Services, 13.01, 2003.
2. Battula, S., Schoenfeld, A., Njus, G., 2004. Pullout strength variance among self-tapping screws inserted to different depths. In: Proceedings of BMES Annual Fall Meeting, Philadelphia, PA, October 13-16, p. 27.
3. Battula, S., Schoenfeld, A., Njus, G., 2005. A biomechanical study of the pullout strength of the self-tapping bone screws in osteoporotic bone material inserted to different depths. In: Proceedings of XXth Congress of the International Society of Biomechanics, Cleveland, OH, July 31-August 5.
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5. National Osteoporosis Foundation. Available from: (accessed 15.02.05).
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10. Yerby S.A., Scott C.C., Evans N.J., Messing K.L., and Carter D.R. Effect of cutting flute design on cortical bone screw insertion torque and pullout strength. J. Orthop. Trauma 15 (2001) 216-221