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Conf Proc IEEE Eng Med Biol Soc · Jan 2009
Ultrasound guided robotic biopsy using augmented reality and human-robot cooperative control.
- C Freschi, E Troia, V Ferrari, G Megali, A Pietrabissa, and F Mosca.
- EndoCAS Center. cinzia.freschi@endocas.org
- Conf Proc IEEE Eng Med Biol Soc. 2009 Jan 1;2009:5110-3.
AbstractUltrasound-guided biopsy is a proficient mininvasive approach for tumors staging but requires very long training and particular manual and 3D space perception abilities of the physician, for the planning of the needle trajectory and the execution of the procedure. In order to simplify this difficult task, we have developed an integrated system that provides the clinician two types of assistance: an augmented reality visualization allows accurate and easy planning of needle trajectory and target reaching verification; a robot arm with a six-degree-of-freedom force sensor allows the precise positioning of the needle holder and allows the clinician to adjust the planned trajectory (cooperative control) to overcome needle deflection and target motion. Preliminary tests have been executed on an ultrasound phantom showing high precision of the system in static conditions and the utility and usability of the cooperative control in simulated no-rigid conditions.
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