Cortical bone drilling: An experimental and numerical study

Alam, Khurshid; Bahadur, Issam; Ahmed, Naseer

doi:10.3233/thc-140889

Cited by 13 publications

(17 citation statements)

References 16 publications

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“…Although researchers utilised the JC and CS models to simulate the drilling through bone, 7,11,13 and polyurethane foam, 14,15 respectively, no study reported the predictability of these individual models in the bone drilling simulations.…”

Section: Discussionmentioning

confidence: 99%

“…To perform the FEA based bone cutting simulation, geometries of the bone and cutting tool, material properties, boundary conditions, nature of the bone-tool contact and constitutive model selection are the essential inputs required. 7–9…”

Section: Introductionmentioning

confidence: 99%

“…Until now, the Johnson–Cook (JC) model for bone drilling 7,10–13 and Cowper–Symonds (CS) model for saw bone drilling 14,15 were widely used. Study showed that the JC, CS and Zerilli-Armstrong (ZA) are the three most common models that consider the strain rate dependence of the plastic curve.…”

Section: Introductionmentioning

confidence: 99%

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An in-silico bone drilling protocol to control thrust forces using finite element analysis coupled with the constitutive models

Prasannavenkadesan

Pandithevan

2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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In orthopaedic surgeries, drilling through bone is most widely used to fix the plates and implants. The uncontrolled large thrust forces generated during bone drilling cause micro-crack, and fragmentation around the local host bone which further loosen the implant and fixation. Owing to the experimental limitation and the risk of infection in handling the bone specimens, conducting experiments with all possible combinations of parameter values and selecting the suitable combination is largely limited. So in this paper, finite element analysis coupled with the constitutive models was used to early predict the thrust forces generated in the surgical bone drilling process. The constitutive models developed in the earlier study, namely, Johnson–Cook, Cowper–Symonds, and Johnson–Cook combined with Cowper–Symonds that consider the strain rate dependence of plastic curve were used for the simulations. Results revealed that the trends of the thrust force values predicted from the constitutive models matched well with the experiments. However, the study showed that the Johnson–Cook model combined with the Cowper–Symonds model predicted the thrust forces with a maximum error of only 9.51% followed by the Johnson–Cook model and Cowper–Symonds model with 15.83% and 21.89%, respectively. The outcomes of the study can be used to predict the thrust forces generated in the bone drilling process, and thus, suitable parameters values can be selected to avoid the mechanical damages around the bone drilling site. The outcomes can also be used to plan and rehearse the in-silico bone drilling trials with any combinations of parameter values before performing the actual surgery.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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An in-silico bone drilling protocol to control thrust forces using finite element analysis coupled with the constitutive models

Prasannavenkadesan

Pandithevan

2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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“…12 Feed rate determines the amount of material removal by a drill bit per unit time. A higher feed rate results in a deeper cut, which requires more shearing energy and thrust, 24 and an elevated temperature in the drilling site. Although the amount of generated heat is important, the duration of heat exposure is equally important.…”

Section: Discussionmentioning

confidence: 99%

Drilling Speed and Bone Temperature of a Robot-assisted Ultrasonic Osteotome Applied to Vertebral Cancellous Bone

Lang

Wang²,

Wu³

et al. 2020

Spine

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StudyDesign. An experimental investigation of a robot-assisted ultrasonic osteotome applied to vertebral cancellous bone.Objective. The aim of this study was to investigate the effect of various ultrasonic parameter settings on temperature in the drilling site and penetration time and determine the most suitable parameters for efficient and safe robot-based ultrasonically assisted bone drilling in spinal surgery Summary of Background Data. A robot-assisted ultrasonic osteotome device may be safe and effective for spinal drilling. Methods. Sixty specimens of bovine vertebral cancellous were randomly assigned to one of six groups, which varied by mode of ultrasonic vibration (L-T and L) and feed rate (one percent [0.8 mm/s], two percent [1.6 mm/s], and three pecent [2.4 mm/ s]). Maximum temperature in the drilling site and penetration time was recorded. Results. Maximum temperature in the drilling site decreased as output power increased for L-T and L modes, was significantly lower for L-T compared to L mode at each feed rate and power setting, was significantly different at feed rates of 1.6 mm/s versus 0.8 mm/s and 2.4 mm/s versus 0.8 mm/s for L-T mode at an output power of 60 W and 84 W, but was not influenced by feed rate for L mode. Penetration time did not significantly improve as output power increased for both L-T and L modes, was significantly decreased with increased feed rates, but was not significantly different between L-T and L modes. Conclusion. The optimal parameters for applying a robotassisted ultrasonic osteotome to vertebral cancellous bone are L-T mode, maximum output power of 120 W, and maximum feed rate of 2.4 mm/s.

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“…15 Bone FE studies modelled with the JC material model were presented in orthopaedic surgical methods such as cutting, drilling and perforation of cortical bone. [16][17][18][19][20] However, although there was enough pullout (PO) FEM work, [21][22][23][24] very few studies modelled the bone with JC material model. 25,26 Human activities and accidents cause bone screws to be subjected to back and forth or sudden impact forces.…”

Section: Introductionmentioning

confidence: 99%

3D pull-out finite element simulation of the pedicle screw-trabecular bone interface at strain rates

Çetin

Bircan

2021

Proc Inst Mech Eng H

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Biomedical experimental studies such as pull-out (PO), screw loosening experience variability mechanical properties of fresh bone, legal procedures of cadaver bone samples and time-consuming problems. Finite Element Method (FEM) could overcome experimental problems in biomechanics. However, material modelling of bone is quite difficult, which has viscoelastic and viscoplastic properties. The study presents a bone material model which is constructed at the strain rates with the Johnson-Cook (JC) material model, one of the robust constitutive material models. The JC material constants of trabecular bone are determined by the curve fitting method at strain rates for the 3D PO finite element simulation, which defines the screw-bone interface relationship. The PO simulation is performed using the Abaqus/CAE software program. Bone fracture mechanisms are simulated with dynamic/explicit solutions during the PO phenomenon. The paper exposes whether the strain rate has effects on the PO performance. Moreover, simulation reveals the relationship between pedicle screw diameter and PO performance. The results obtained that the maximum pull-out force (POF) improves as both the screw diameter and the strain rate increase. For 5.5 mm diameter pedicle screw POFs were 487, 517 and 1708 N at strain rate 0.00015, 0.015 and 0.015 s−1, respectively. The FOFs obtained from the simulation of the other screw were 730, 802 and 2008 N at strain rates 0.00015, 0.0015 and 0.015, respectively. PO phenomenon was also simulated realistically in the finite element analysis (FEA).

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Cortical bone drilling: An experimental and numerical study

Cited by 13 publications

References 16 publications

An in-silico bone drilling protocol to control thrust forces using finite element analysis coupled with the constitutive models

An in-silico bone drilling protocol to control thrust forces using finite element analysis coupled with the constitutive models

Drilling Speed and Bone Temperature of a Robot-assisted Ultrasonic Osteotome Applied to Vertebral Cancellous Bone

3D pull-out finite element simulation of the pedicle screw-trabecular bone interface at strain rates

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