Int J Comput Assist Radiol Surg - Force-detecting gripper and force feedback system for neurosurgery applications.

Tópicos

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Resumo

RPOSE: For the application of less invasive robotic neurosurgery to the resection of deep-seated tumors, a prototype system of a force-detecting gripper with a flexible micromanipulator and force feedback to the operating unit will be developed.METHODS: Gripping force applied on the gripper is detected by strain gauges attached to the gripper clip. The signal is transmitted to the amplifier by wires running through the inner tube of the manipulator. Proportional force is applied on the finger lever of the operating unit by the surgeon using a bilateral control program. A pulling force experienced by the gripper is also detected at the gripper clip. The signal for the pulling force is transmitted in a manner identical to that mentioned previously, and the proportional torque is applied on the touching roller of the finger lever of the operating unit. The surgeon can feel the gripping force as the resistance of the operating force of the finger and can feel the pulling force as the friction at the finger surface.RESULTS: A basic operation test showed that both the gripping force and pulling force were clearly detected in the gripping of soft material and that the operator could feel the gripping force and pulling force at the finger lever of the operating unit.CONCLUSIONS: A prototype of the force feedback in the microgripping manipulator system has been developed. The system will be useful for removing deep-seated brain tumors in future master-slave-type robotic neurosurgery.

Resumo Limpo

rpose applic less invas robot neurosurgeri resect deepseat tumor prototyp system forcedetect gripper flexibl micromanipul forc feedback oper unit will developedmethod grip forc appli gripper detect strain gaug attach gripper clip signal transmit amplifi wire run inner tube manipul proport forc appli finger lever oper unit surgeon use bilater control program pull forc experienc gripper also detect gripper clip signal pull forc transmit manner ident mention previous proport torqu appli touch roller finger lever oper unit surgeon can feel grip forc resist oper forc finger can feel pull forc friction finger surfaceresult basic oper test show grip forc pull forc clear detect grip soft materi oper feel grip forc pull forc finger lever oper unitconclus prototyp forc feedback microgrip manipul system develop system will use remov deepseat brain tumor futur masterslavetyp robot neurosurgeri

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