Force feedback controls of multi-gripper robotic endovascular intervention: design, prototype, and experiments. 2021

Kundong Wang, and Jianyun Liu, and Weiwu Yan, and Qingsheng Lu, and Shengdong Nie
Department of Instrument Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China. kdwang@sjtu.edu.cn.

OBJECTIVE Robotic endovascular intervention system (REIS) has the advantages of telemanipulation without radiation damage, precise location, and isolation of hand quiver. However, current REIS lacks a force feedback, which leads to high clinical risks. For the high operational safety of remote operations, this research proposes a force feedback control method for a novel manipulator with multi-grippers and develops a prototype to verify its expected telepresence. METHODS A high-resolution force sensor is used to acquire and transmit the intervention resistance force to the control handle. When the handle is translated or rotated, a loading mechanism composed of a servomotor, a screw pair, a spring, and friction roller generates the resistance force transmitted to the doctor's hand through the handle. A force/displacement hybrid control and PID control algorithm are used for the smaller feedback force error and lower delay. RESULTS This manipulator and its control handle are tested in the simulated catheter and vascular cases. The experiments show that force feedback precision can reach 0.05 N and the delay is not more than 50 ms, and the bandwidth is 9 Hz@-3 dB. CONCLUSIONS The proposed force feedback method can recreate resistance force from the intervention devices. The control model is valid with higher precision and wide bands, which has laid foundations to the application of REIS in clinic.

UI MeSH Term Description Entries
D008866 Microsurgery The performance of surgical procedures with the aid of a microscope.
D004867 Equipment Design Methods and patterns of fabricating machines and related hardware. Design, Equipment,Device Design,Medical Device Design,Design, Medical Device,Designs, Medical Device,Device Design, Medical,Device Designs, Medical,Medical Device Designs,Design, Device,Designs, Device,Designs, Equipment,Device Designs,Equipment Designs
D005246 Feedback A mechanism of communication within a system in that the input signal generates an output response which returns to influence the continued activity or productivity of that system. Feedbacks
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D055595 Mechanical Phenomena The properties and processes of materials that affect their behavior under force. Mechanical Concepts,Mechanical Processes,Mechanical Phenomenon,Mechanical Process,Concept, Mechanical,Concepts, Mechanical,Mechanical Concept,Phenomena, Mechanical,Phenomenon, Mechanical,Process, Mechanical,Processes, Mechanical
D065287 Robotic Surgical Procedures Surgical procedures performed remotely using a computer that controls surgical instruments attached to mechanical arms designed to perform the tasks of the surgeon. Robot Surgery,Robot-Assisted Surgery,Robot-Enhanced Procedures,Robot-Enhanced Surgery,Robotic-Assisted Surgery,Surgical Procedures, Robotic,Procedure, Robot-Enhanced,Procedure, Robotic Surgical,Procedures, Robotic Surgical,Robot Assisted Surgery,Robot Enhanced Procedures,Robot Enhanced Surgery,Robot Surgeries,Robot-Assisted Surgeries,Robot-Enhanced Procedure,Robot-Enhanced Surgeries,Robotic Assisted Surgery,Robotic Surgical Procedure,Robotic-Assisted Surgeries,Surgery, Robot,Surgery, Robot-Assisted,Surgery, Robot-Enhanced,Surgery, Robotic-Assisted,Surgical Procedure, Robotic

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