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Related Experiment Video

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Design and Fabrication of an Optical Fiber Made of Water
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Diamond shaped optical fiber delivery system.

Haim Mnitentag1, Alexander Gersten, Shlomo Walfisch

  • 1Colorectal Unit and Laser Center, Soroka Medical Center.

Laser Therapy
|October 25, 2013
PubMed
Summary
This summary is machine-generated.

The novel Diamond tip for optical fibers offers enhanced laser surgery by minimizing thermal damage and increasing mechanical resistance. This reusable design reduces costs and improves surgical outcomes.

Keywords:
Optical fiberdiamond tiphigher mechanical resistancepyramidal end shapereduced thermal effectsreduced tissue penetration

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Area of Science:

  • Medical Devices
  • Surgical Technology
  • Biomedical Engineering

Background:

  • Traditional optical fibers feature a flat end, which can lead to thermal injury during laser application.
  • Integrating refrigerated gas coaxial to the fiber tip can mitigate thermal effects on biological tissue.

Purpose of the Study:

  • To evaluate a novel pyramidal fiber end shape, termed the Diamond tip, for laser applications.
  • To assess the performance and safety of the Diamond tip in laboratory and surgical settings.

Main Methods:

  • Modified the flat fiber end to a pyramidal (Diamond) shape.
  • Conducted laboratory tests examining emission patterns in air and water.
  • Evaluated surgical performance and mechanical resistance compared to conventional tips.

Main Results:

  • The Diamond tip demonstrated higher power density and reduced thermal effects.
  • Achieved greater mechanical resistance, preventing fiber breakage during surgery.
  • Enabled multiple reuses after reshaping, leading to significant cost savings and reduced power requirements.

Conclusions:

  • The Diamond tip significantly outperforms conventional fiber tips.
  • Offers superior mechanical strength, minimal thermal impact, and reusability.
  • Represents a cost-effective and safer alternative for laser surgical procedures.