Results 201 to 210 of about 24,703 (255)
Cortical bone drilling and thermal osteonecrosis [PDF]
Clinical Biomechanics, 2012 Bone drilling is a common step in operative fracture treatment and reconstructive surgery. During drilling elevated bone temperature is generated. Temperatures above 47°C cause thermal osteonecrosis which contributes to screw loosening and subsequently implant failures and refractures.The current literature on bone drilling and thermal osteonecrosis is
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Training in temporal bone drilling
European Annals of Otorhinolaryngology, Head and Neck Diseases, 2022Acquiring surgical experience in the operating room is increasingly difficult. Simulation of temporal bone drilling is therefore essential, and more and more widely used. The aim of this review is to clarify the limitations of classical surgical training, and to describe the different types of simulation available for temporal bone drilling. Systematic
C, Aussedat +4 more
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Journal of Biomechanics, 1976
Abstract An investigation is described of the drilling process in bone. Experimental results are presented which show the interrelationships among thrust pressure, feed rate, torque, and specific cutting energy for three types of drill bits. The three types of drill bits used included a common surgical twist bit, general purpose twist bits of various
K L, Wiggins, S, Malkin
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Abstract An investigation is described of the drilling process in bone. Experimental results are presented which show the interrelationships among thrust pressure, feed rate, torque, and specific cutting energy for three types of drill bits. The three types of drill bits used included a common surgical twist bit, general purpose twist bits of various
K L, Wiggins, S, Malkin
openaire +2 more sources
IEEE Transactions on Biomedical Engineering, 2006
This paper presents a feasibility study of drilling in fresh wet bone tissue in vitro using the microwave drill method [Jerby et al, 2002], toward testing its applicability in orthopaedic surgery. The microwave drill uses a near-field focused energy (typically, power under approximately 200 W at 2.45-GHz frequency) in order to penetrate bone in a ...
Yael Eshet +5 more
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This paper presents a feasibility study of drilling in fresh wet bone tissue in vitro using the microwave drill method [Jerby et al, 2002], toward testing its applicability in orthopaedic surgery. The microwave drill uses a near-field focused energy (typically, power under approximately 200 W at 2.45-GHz frequency) in order to penetrate bone in a ...
Yael Eshet +5 more
openaire +2 more sources
Drill wear monitoring in cortical bone drilling
Medical Engineering & Physics, 2015Medical drills are subject to intensive wear due to mechanical factors which occur during the bone drilling process, and potential thermal and chemical factors related to the sterilisation process. Intensive wear increases friction between the drill and the surrounding bone tissue, resulting in higher drilling temperatures and cutting forces. Therefore,
Udiljak, Toma +2 more
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Evaluation of delamination in drilling of bone
Medical Engineering & Physics, 2015In this paper, delamination of bone associated with drilling is investigated using design of experiments. Experiments have been planned based on L25 design of the orthogonal arrays with different conditions of drill bit, spindle speed and feed rate.
Rupesh Kumar, Pandey +1 more
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An objective assessment for bone drilling: A pilot study on vertical drilling
Journal of Orthopaedic Research, 2022AbstractThe purpose of this study is to propose a quantitative assessment scheme to help with surgical bone drilling training. This pilot study gathered and compared motion and force data from expert surgeons (n = 3) and novice residents (n = 6). The experiment used three‐dimensional printed bone simulants of young bone (YB) and osteoporotic bone (OB),
Aman Nigam +5 more
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The drill biopsy of bone lesions
Clinical Radiology, 1972The nature of a bone lesion can only be confirmed by histological examination, but an open biopsy may be difficult especially when inaccessible sites are involved. An accurate and early report can, however, be obtained by drill biopsy. In a series of 100 biopsies of lesions clinically considered malignant, the diagnosis was confirmed in 93 cases and ...
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Fingernail Drill in Bone Surgery
The Journal of Dermatologic Surgery and Oncology, 1987Abstract. The fingernail drill is useful in bone surgery. It is useful in aiding the excision of bone and in the stimulation of granulation tissue in exposed cranial bone. The drill is safe, efficient, and easy to operate.
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Optimization of Drill Bits for Bone Drilling Procedure
Volume 1: Additive Manufacturing; Bio and Sustainable Manufacturing, 2018The paper presents a methodology to optimize drill bits to realize safe drilling of bone materials for many surgeries like orthopedics and neurosurgery. First, a mechanistic model is introduced to relate drilling forces to main drill bit geometry parameters. Then a genetic algorithm is developed to optimize drill bit geometry parameters by minimization
Jianbo Sui, Naohiko Sugita
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