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Intelligent vision guide for automatic ventilation grommet insertion into the tympanic membrane.
Wenchao Gao1, Kok Kiong Tan1, Wenyu Liang1
1Department of Electrical and Computer Engineering, NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore.
Summary
This study introduces a new vision system for robotic ear surgery, accurately tracking the malleus bone. This enables safer automatic grommet insertion for otitis media with effusion treatment.
Area of Science:
- Medical Robotics
- Surgical Navigation
- Otolaryngology
Background:
- Otitis media with effusion is a prevalent global ear condition.
- Current treatments involve surgical tympanic membrane grommet insertion.
- A key challenge is avoiding the malleus bone during automated procedures.
Purpose of the Study:
- To develop an online malleus tracking system for robotic grommet insertion.
- To enhance surgical precision and safety in otitis media treatment.
Main Methods:
- Integration of optical flow and gradient vector flow active contours algorithms.
- Real-time malleus tracking under endoscopic visualization.
- Guidance system for robotic surgical instruments.
Main Results:
- The proposed method demonstrated superior stability and accuracy in preclinical tests compared to existing tracking techniques.
- Successful online tracking of the malleus was achieved.
Conclusions:
- The developed vision guidance system provides accurate tracking for automated grommet insertion.
- This technology facilitates safer and more efficient surgical interventions for otitis media with effusion.
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