Manipulator and surgical robot

The innovative use of dual-axis drive wires in the operation arm of surgical robots addresses flexibility issues, enabling enhanced surgical precision and agility by allowing differential motion control of the end effector.

CN111110355BActive Publication Date: 2025-07-15SHENZHEN JINGFENG MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202010085505.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-02-09
Publication Date
2025-07-15
Estimated Expiration
2040-02-09

AI Technical Summary

Technical Problem

The existing operating arms are not flexible enough in minimally invasive surgery, which affects the efficiency and accuracy of surgical operations.

Method used

An operating arm is designed, by setting the first set of driving wires starting from the first rotation shaft and ending at the first position of the connecting assembly, and the second set of driving wires starting from the second rotation shaft and ending at the second position of the connecting assembly, using the differences in the starting and terminating positions of different driving wires, the connecting assembly is driven to move in different directions, thereby achieving an improvement in flexibility of the end instrument.

Benefits of technology

It improves the flexibility of the operating arm during surgical operation, enhances the freedom of movement of the terminal instrument, and improves the accuracy and efficiency of the operation.

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Abstract

The present invention discloses a robotic arm and a surgical robot. The robotic arm includes a drive box, a connecting rod, an end effector, and a first set of drive wires and a second set of drive wires passing through the connecting rod. The end effector includes a connecting component connected to the connecting rod and an end actuator connected to the connecting component; the drive box includes a base connected to the connecting rod, a first rotating shaft provided on the base, and a second rotating shaft provided on the first rotating shaft and rotating coaxially with the first rotating shaft; the first set of drive wires starts from the first rotating shaft and terminates at a first position of the connecting component, and the second set of drive wires starts from the second rotating shaft and terminates at a second position of the connecting component. The first position is a position away from the connecting rod, and the second position is a position close to the connecting rod. The end effector is driven by the first set of drive wires and the second set of drive wires to achieve movement in the corresponding degrees-of-freedom directions. The present invention can improve the flexibility of the robotic arm during minimally invasive surgical operations.
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