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Toward the Development of a Hand-Held Surgical Robot for Laparoscopy

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4 Author(s)
Zahraee, A.H. ; Inst. des Syst. Intelligents et de Robot., Univ. Pierre et Marie Curie-Paris VI, Paris, France ; Paik, J.K. ; Szewczyk, J. ; Morel, G.

Minimally invasive surgery (MIS), which typically involves endoscopic camera and laparoscopic instruments may seem to be the ideal surgical procedure for its apparent benefits. However, in comparison to open surgeries, the spatial and mechanical tool limitations posed on surgeons are so high that often MIS is foregone for complex cases and even when it is possible, the procedure requires a high dexterity, caliber, and experience from the surgeon. Particularly, suturing procedure through MIS is known to be extremely challenging. We are working toward the development of a robotic hand-held surgical device for laparoscopic interventions that enhances the surgeons' dexterity. The instrument produces two independent DOFs, which is sufficient for enabling MIS suturing procedure in vivo. The end-effector's orientation is controlled by an intuitive and ergonomic controller and its position is controlled directly by the surgeon. Different control modes, handles, and end-effector kinematics are primarily evaluated using a virtual reality simulator before choosing the best combination. A proof-of-concept prototype of the device has been developed.

Published in:

Mechatronics, IEEE/ASME Transactions on  (Volume:15 ,  Issue: 6 )