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A new device for microincremental automatic distraction osteogenesis.

A F Ayoub1, W Richardson

  • 1Oral and Maxillofacial Surgery, Glasgow University, Glasgow, UK. a.f.ayoub@dental.gla.ac.uk

The British Journal of Oral & Maxillofacial Surgery
|October 17, 2001
PubMed
Summary
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A novel intraoral distraction device offers autodistraction for bone segment separation. This two-unit system, with implantable and external components, uses a fluid-driven mechanism for controlled bone movement.

Area of Science:

  • Biomedical Engineering
  • Oral and Maxillofacial Surgery
  • Medical Devices

Background:

  • Bone segment distraction is crucial in reconstructive surgery.
  • Existing methods may require complex external apparatus or manual adjustments.
  • A need exists for an automated, intraoral distraction system.

Purpose of the Study:

  • To introduce a novel intraoral autodistraction device.
  • To describe the components and mechanism of the invented device.
  • To highlight its potential for controlled bone segment separation.

Main Methods:

  • The device comprises an implantable unit for bone application and an external unit.
  • A non-compressible fluid-filled tube connects the two components.
  • The external unit utilizes a portable syringe driver or infusion pump for activation.

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Main Results:

  • Compression of the external unit's bellows forces fluid into the distraction component.
  • The sealed system and incompressible fluid ensure controlled expansion.
  • This process gradually separates the bone segments in a predictable manner.

Conclusions:

  • The invented intraoral distraction device provides a novel autodistraction capability.
  • Its design allows for controlled and gradual bone segment separation.
  • This technology holds promise for improving reconstructive surgical outcomes.