Automatic continuous distraction osteogenesis device for hand reconstruction applications

Hatefi, Shahrokh; Smith, Farouk; Abou-El-Hossein, Khaled

doi:10.1016/j.medengphy.2022.103770

Cited by 3 publications

(2 citation statements)

References 18 publications

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“…For this purpose, a high-precision linear control technique [ 24 , 25 ] is used in the design of the control system. By using the differential equations of the stepper motor [ 26 ], as well as the specifications of the hybrid stepper motor, the control system was modelled in MATLAB/SIMULINK software. Figure 8 presents the modelled control system.…”

Section: Methodsmentioning

confidence: 99%

“…The viability of a continuous DO method has been proved in recent animal studies which have proved that the application of an ACDO solution leads to superior treatment results upon comparison with manual treatment methods. Additionally, it has been indicated that the application of a continuous DF could significantly increase the rate and the rhythm of distraction, and improve the tissue regeneration/healing mechanisms [ 17 , 18 , 19 , 20 , 21 ].…”

Section: Introductionmentioning

confidence: 99%

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Hybrid Distractor for Continuous Mandibular Distraction Osteogenesis

et al. 2022

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Distraction Osteogenesis (DO) is a reconstruction method for repairing bone deficiencies in oral and maxillofacial area. Manual DO techniques have shown the functionality of DO method for the bone tissue reconstruction. DO method can improve the treatment conditions, as well as the quality of the reconstructed bone, compared to conventional techniques. Recently, continuous DO devices have been proposed to enable automatic DO process while using a continuous force for moving the Bone Segment (BS). Animal studies and clinical trials have shown the successful application of continuous distractors in terms of improving the DO factors, including rate and rhythm. Continuous DO technique can shorten the treatment time and enhance the quality of the regenerated tissue. However, the developed continuous distractors yet to be used in Human applications. In this study, by combining motor-driven and hydraulic techniques, a hybrid distractor is proposed. The hybrid distractor is capable of generating a continuous distraction force while controlling the position of the BS in a linear vector with a high positioning accuracy. Results of modeling and experimental study revealed that the proposed hybrid distractor has met all required factors for enabling a continuous DO procedure in Human. The proposed distractor is capable of eliminating the drawbacks of exiting techniques in terms of generating and transferring a controlled distraction force to the BS. The wireless control, as well as the small size of the device, makes this device a suitable solution for use in reconstruction of bone defects in maxillofacial area in Human.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hybrid Distractor for Continuous Mandibular Distraction Osteogenesis

et al. 2022

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Automated continuous distraction osteogenesis system for limb lengthening and reconstruction

Meng

Yin

et al. 2023

IPEM-Translation

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Design and Analyses of Passive Continuous Distraction Osteogenesis Device for Oral and Maxillofacial Reconstruction

Hatefi,

Alizargar,

Smith

2024

Applied Sciences

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Distraction Osteogenesis (DO) revolutionizes bone lengthening without donor sites, which is crucial in maxillofacial reconstruction (MRA). Manual DO devices are standard, but continuous DO devices promise faster treatments and better outcomes. Current continuous distractors lack ideal MRA due to size, force generation, and power source limitations. This study introduces a passive distractor system for continuous DO in MRA, aiming to bridge existing gaps and provide an ideal solution for human MRA use. It utilizes a miniaturized mechanism powered by a passive energy source, eliminating the need for active power. Advanced manufacturing methods enable the reduction of device size while hydraulic systems ensure controlled and smooth movement. The system includes a proximal bone fixture, movable distractor components, and passive drive means for distraction force application. Results show promising potential to address existing limitations. By utilizing passive energy for continuous force generation, the device size is reduced, and the need for force transition mechanisms is minimized. This innovative system and method offer an ideal treatment environment for MRA in humans. Further research and clinical evaluation are essential to validate its efficacy and safety in clinical practice.

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Automatic continuous distraction osteogenesis device for hand reconstruction applications

Cited by 3 publications

References 18 publications

Hybrid Distractor for Continuous Mandibular Distraction Osteogenesis

Hybrid Distractor for Continuous Mandibular Distraction Osteogenesis

Automated continuous distraction osteogenesis system for limb lengthening and reconstruction

Design and Analyses of Passive Continuous Distraction Osteogenesis Device for Oral and Maxillofacial Reconstruction

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