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surgical robotic system for the implementation of minimalinvasiven medical interventions
surgical robotic system for the implementation of minimalinvasiven medical interventions
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机译:用于实施微创医疗干预的外科手术机器人系统
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摘要
A robotic surgical system for performing minimally invasive medical procedures comprises a robot manipulator for robotically assisted handling of a laparoscopic instrument. The manipulator has a manipulator arm, a manipulator wrist supported by the arm and an effector unit supported by the wrist. The manipulator arm provides three degrees-of-freedom by means of a first joint, a second joint and a third joint, each having an associated actuator, for robotically positioning the wrist. The wrist provides two degrees-of-freedom by means of a fourth joint and a fifth revolute joint having an associated actuator for robotically setting the yaw angle and the pitch angle of the effector unit respectively. The effector unit comprises a laparoscopic instrument actuator (LIA) and provides one degree-of-freedom by means of a revolute sixth joint having an associated actuator for robotically setting the roll angle of the LIA. The LIA comprises a seat, with an associated locking mechanism for mounting an instrument stem adaptor to the effector unit, and a linear actuation mechanism cooperating with the instrument stem adaptor for actuating a laparoscopic instrument connected to the adaptor. The effector unit is configured such that the rotation axis of the revolute sixth joint coincides with the longitudinal axis of a laparoscopic instrument mounted to the effector unit and the effector unit comprises a sensor assembly including a 6 degree-of-freedom (DOF) force/torque sensor and a 6 DOF accelerometer. The sensor assembly connects the LIA to the sixth revolute joint.
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