Results 251 to 260 of about 27,154 (286)
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2019
Abstract A stainless tool steel bone drill broke during an operation on a patient and was examined. It showed two fatigue fractures, one of which had started from a sharp-edged, coarsely milled slot (fracture A1), and the other from a point on the outer sheath surface which was not subjected to particularly high stresses (fracture A2 ...
Friedrich Karl Naumann, Ferdinand Spies
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Abstract A stainless tool steel bone drill broke during an operation on a patient and was examined. It showed two fatigue fractures, one of which had started from a sharp-edged, coarsely milled slot (fracture A1), and the other from a point on the outer sheath surface which was not subjected to particularly high stresses (fracture A2 ...
Friedrich Karl Naumann, Ferdinand Spies
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Experimental Study on Bone Health in Drilling
Proceedings of the 2019 9th International Conference on Biomedical Engineering and Technology, 2019Drilling in bone is a common surgical procedure routinely performed in orthopedics and dental surgeries for repair and fixation purposes. Measurement and control of bone temperature and drilling thrust force are critical to the outcome of the procedure.
Khurshid Alam +2 more
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Bone reaction to surgical drilling and pinning
Journal of Biomechanics, 1980Abstract The response of ovine metacarpi to drilling holes through the metaphyses, to drilling and pinning the metaphyses, and to attaching a hydraulic loading device to pins through the metaphyses has been assessed in a total of 18 sheep, using a test period of 28 days.
A E, Churches, C R, Howlett, G W, Ward
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2014
In this chapter, we describe a reproducible, simple to use method that allows correct femoral tunnel placement without the need for aggressive notch debridement. This outside-in technique has a number of advantages over the more conventional in-out femoral tunnel placement via the anteromedial portal.
Wolf Petersen +6 more
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In this chapter, we describe a reproducible, simple to use method that allows correct femoral tunnel placement without the need for aggressive notch debridement. This outside-in technique has a number of advantages over the more conventional in-out femoral tunnel placement via the anteromedial portal.
Wolf Petersen +6 more
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Modeling and experimentation of bone drilling forces
Journal of Biomechanics, 2012Prediction and control of bone drilling forces are critical to the success of many orthopaedic operations. Uncontrolled and large forces can cause drill-bit breakage, drill breakthrough, excessive heat generation, and mechanical damage to the bone. This paper presents a mechanistic model for prediction of thrust forces and torques experienced during ...
JuEun, Lee +2 more
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2004
In case of fracture or crack of human bones, the most important is to return the bone parts as precisely as possible into their previous positions. The operative or surgery method in that case is the best. During the surgery traumatologist drill the bone in order to set the immobilization screws and plates and the goal is to insure maximum avoidance of
Udiljak, Toma +2 more
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In case of fracture or crack of human bones, the most important is to return the bone parts as precisely as possible into their previous positions. The operative or surgery method in that case is the best. During the surgery traumatologist drill the bone in order to set the immobilization screws and plates and the goal is to insure maximum avoidance of
Udiljak, Toma +2 more
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Effect of bone density on the drill-hole diameter made by a cannulated drill bit in cancellous bone
Journal of Orthopaedic ScienceWhen a pilot hole is made prior to a screw's insertion into bone, the same drill bit is used irrespective of the bone quality. However, osteoporotic bone is fragile and this may affect the hole diameter, which is of particular concern in cancellous bone.
Utomo Andi, Pangnguriseng +7 more
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The Drill-Cortical Bone Interface Temperature during Drilling
Advances in Engineering Technology ResearchIn the surgery drilling process, thermal damage should be avoided as much as possible. The drilling temperature is concerned because of their effect to the extent of thermal damage, and recently the infrared thermometry is adopted to measure the drilling temperature during the drilling process.
Linlin Xu +3 more
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