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Ball Lens Fiber Optic Sensor based Smart Handheld Microsurgical Instrument
Cheol Song1, Peter L Gehlbach, Jin U Kang
1Department of Electrical and Computer Engineering, Johns Hopkins University, 3400 N. Charles St., Baltimore, MD 21218, USA.
Proceedings of Spie--The International Society for Optical Engineering
|November 14, 2013
Summary
This study introduces an improved handheld microsurgical tool for vitreoretinal surgery. The enhanced tool features a novel fiber optic probe for better precision and an integrated cutting function.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Surgical Technology
Background:
- Vitreoretinal microsurgery demands high precision and stability.
- Current handheld microsurgical tools have limitations in working angle and signal detection.
Purpose of the Study:
- To present an improved smart handheld microsurgical tool for vitreoretinal surgery.
- To enhance surgical precision, stability, and safety during microsurgical procedures.
Main Methods:
- Development of a smart handheld microsurgical tool incorporating a ball lens fiber optic sensor.
- Utilization of common path swept source optical coherence tomography for distance sensing.
- Integration of a ball lens single mode fiber optic probe and an improved ergonomic cutting function.
Main Results:
- The improved tool offers a working angle exceeding 45 degrees.
- Enhanced magnitude of the distance sensing signal through water.
- Incorporation of a cutting function with improved ergonomic design.
Conclusions:
- The developed microsurgical tool enhances maneuverability and sensing capabilities.
- The improved design facilitates more precise and stable surgical performance.
- This innovation has the potential to reduce surgical risks in vitreoretinal procedures.

