Journal of Shenyang Aerospace University >
Design of slave mechanism for vascular interventional surgery robot
Received date: 2025-03-04
Revised date: 2025-06-05
Accepted date: 2025-06-10
Online published: 2026-03-12
In order to solve the problems of large volume, limited travel and aseptic isolation requirements of vascular interventional surgery robot, a slave mechanism of vascular interventional surgery robot imitating doctor’s action was designed. The bionic finger-based mechanism enabled unrestricted continuous delivery and rotation of guidewires / microcatheters, simultaneous rotation and delivery of guidewires, and adjustable clamping distance and force and the modular design was utilized to achieve the isolation of sterile/non-sterile operation areas.A three-dimensional model of the mechanism was developed, and the design structure was analyzed kinematically to establish its kinematic equations.The rationality of the design was validated through simulation analysis. Experimental studies were conducted to investigate the positioning accuracy of guidewire delivery. Results indicate that the mechanism achieves a positioning error within from -0.5 mm to 0.5 mm under static conditions, enabling precise delivery of guidewires. This performance meets the clinical requirements for vascular interventional surgery robot.
Key words: vascular intervention; surgcry robot; slave mechanism; kinematics; modular design
Suyang YU , Rong TANG , Meng LI , Ying WANG , Changlong YE . Design of slave mechanism for vascular interventional surgery robot[J]. Journal of Shenyang Aerospace University, 2026 , 43(1) : 33 -40 . DOI: 10.3969/j.issn.2095-1248.2026.01.005
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