Micro-force Sensing in Robot Assisted Membrane Peeling for Vitreoretinal Surgery
Identifieur interne : 001153 ( Pmc/Corpus ); précédent : 001152; suivant : 001154Micro-force Sensing in Robot Assisted Membrane Peeling for Vitreoretinal Surgery
Auteurs : Marcin Balicki ; Ali Uneri ; Iulian Iordachita ; James Handa ; Peter Gehlbach ; Russell TaylorSource :
- Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention ; 2010.
Abstract
Vitreoretinal surgeons use 0.5mm diameter instruments to manipulate delicate tissue inside the eye while applying imperceptible forces that can cause damage to the retina. We present a system which robotically regulates user-applied forces to the tissue, to minimize the risk of retinal hemorrhage or tear during membrane peeling, a common task in vitreoretinal surgery. Our research platform is based on a cooperatively controlled microsurgery robot. It integrates a custom micro-force sensing surgical pick, which provides conventional surgical function and real time force information. We report the development of a new phantom, which is used to assess robot control, force feedback methods, and our newly implemented auditory sensory substitution to specifically assist membrane peeling. Our findings show that auditory sensory substitution decreased peeling forces in all tests, and that robotic force scaling with audio feedback is the most promising aid in reducing peeling forces and task completion time.
Url:
PubMed: 20879413
PubMed Central: 3072686
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