Results 191 to 200 of about 17,301 (247)

Nondestructive, fatigue cyclic, and ramped cyclic biomechanical testing of surgical techniques for stabilization of the lumbosacral junction in dogs. [PDF]

Vet Surg
Smolders LA, Arz R, Steffen F, Pozzi A, Park B.   +4 more
europepmc   +1 more source

Rib Healing and Heterotopic Ossification After Surgical Stabilization of Rib Fractures. [PDF]

J Clin Med
Hoey A, Akyeampong D, Patel A, Gross R, Eriksson EA.   +4 more
europepmc   +1 more source

Design concept for CLT - reinforced with self-tapping screws

, 2012
openaire   +1 more source

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Pullout Performance of Self-Tapping Medical Screws

Journal of Biomechanical Engineering, 2011
This study investigates the effect of the pilot hole size, implant depth, synthetic bone density, and screw size on the pullout strength of the self-tapping screw using analytical, finite element, and experimental methodologies. Stress distribution and failure propagation mode around the implant thread zone are also investigated.
Sayed A Nassar, Xianjie Yang
exaly   +3 more sources

Joining polymer parts with self-tapping screws: an improvement of the screw thread geometry

International Journal of Material Forming, 2020
In the present article, the influence of the self-tapping screw’s geometry during the thread forming processes in polymer types used in several industries was studied and analysed using experimental measurement and the finite element method. A number of parameters, such as assembly, type of materials and geometry, were studied. Several commercial screw
Wilmer E Cumbicus, Miguel Arizmendi, Amaia Jiménez   +2 more
exaly   +2 more sources

Pretapped and self-tapping screws in the human midface: Torque measurements and bone screw interface

International Journal of Oral and Maxillofacial Surgery, 1990
Better contact between AO miniscrews and the bone and greater resistance against torque are achieved in the human midface if the thread is not pretapped. This was demonstrated by 60 methacrylate fixed human midfacial bone sections and by 100 torque measurements. It is concluded that pretapping is not to be recommended in the thin bone of the midface.
Wolfgang Bahr
exaly   +3 more sources

Theoretical modelling of the self-tapping screw fastening process

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2001
The results of a theoretical study of the self-tapping screw insertion process are presented. Fundamental concepts of engineering mechanics are employed to analyse the axial torque required to complete a general self-tapping screw insertion operation.
Lakmal Seneviratne, S W E Earles
exaly   +3 more sources

Quantifying Accuracy of Self-Tapping Screw Models

2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), 2021
Correct torquing of bone screws is important to prevent fixation failures and ensure positive patient outcomes. It has been proposed that an automatic model-based method may be able to determine the patient-specific material properties of bone, and provide objective and quantitative torquing recommendations.
Jack Wilkie 0001, Paul Docherty 0001, Thomas Stieglitz, Knut Möller   +3 more
openaire   +2 more sources