scholarly journals Force sensing micro-forceps for robot assisted retinal surgery

Author(s):  
I. Kuru ◽  
B. Gonenc ◽  
M. Balicki ◽  
J. Handa ◽  
P. Gehlbach ◽  
...  
2018 ◽  
Vol 18 (21) ◽  
pp. 8924-8932 ◽  
Author(s):  
Lingtao Yu ◽  
Yusheng Yan ◽  
Xiaoyan Yu ◽  
Yongqiang Xia

Author(s):  
Changyan He ◽  
Marina Roizenblatt ◽  
Niravkumar Patel ◽  
Ali Ebrahimi ◽  
Yang Yang ◽  
...  

Author(s):  
Kun Li ◽  
Shuai Ji ◽  
Guojun Niu ◽  
Yue Ai ◽  
Bo Pan ◽  
...  

Purpose Existing robot-assisted minimally invasive surgery (RMIS) system lacks of force feedback, and it cannot provide the surgeon with interaction forces between the surgical instruments and patient’s tissues. This paper aims to restore force sensation for the RMIS system and evaluate effect of force sensing in a master-slave manner. Design/methodology/approach This paper presents a four-DOF surgical instrument with modular joints and six-axis force sensing capability and proposes an incremental position mode master–slave control strategy based on separated position and orientation to reflect motion of the end of master manipulator to the end of surgical instrument. Ex-vivo experiments including tissue palpation and blunt dissection are conducted to verify the effect of force sensing for the surgical instrument. An experiment of trajectory tracking is carried out to test precision of the control strategy. Findings Results of trajectory tracking experiment show that this control strategy can precisely reflect the hand motion of the operator, and the results of the ex-vivo experiments including tissue palpation and blunt dissection illustrate that this surgical instrument can measure the six-axis interaction forces successfully for the RMIS. Originality/value This paper addresses the important role of force sensing and force feedback in RMIS, clarifies the feasibility to apply this instrument prototype in RMIS for force sensing and provides technical support of force feedback for further clinical application.


2019 ◽  
pp. 109-114 ◽  
Author(s):  
K. Xue ◽  
T. L. Edwards ◽  
H. C. M. Meenink ◽  
M. J. Beelen ◽  
G. J. L. Naus ◽  
...  

Author(s):  
Müller G. Urias ◽  
Niravkumar Patel ◽  
Changyan He ◽  
Ali Ebrahimi ◽  
Ji Woong Kim ◽  
...  

AbstractEye surgery, specifically retinal micro-surgery involves sensory and motor skill that approaches human boundaries and physiological limits for steadiness, accuracy, and the ability to detect the small forces involved. Despite assumptions as to the benefit of robots in surgery and also despite great development effort, numerous challenges to the full development and adoption of robotic assistance in surgical ophthalmology, remain. Historically, the first in-human–robot-assisted retinal surgery occurred nearly 30 years after the first experimental papers on the subject. Similarly, artificial intelligence emerged decades ago and it is only now being more fully realized in ophthalmology. The delay between conception and application has in part been due to the necessary technological advances required to implement new processing strategies. Chief among these has been the better matched processing power of specialty graphics processing units for machine learning. Transcending the classic concept of robots performing repetitive tasks, artificial intelligence and machine learning are related concepts that has proven their abilities to design concepts and solve problems. The implication of such abilities being that future machines may further intrude on the domain of heretofore “human-reserved” tasks. Although the potential of artificial intelligence/machine learning is profound, present marketing promises and hype exceeds its stage of development, analogous to the seventieth century mathematical “boom” with algebra. Nevertheless robotic systems augmented by machine learning may eventually improve robot-assisted retinal surgery and could potentially transform the discipline. This commentary analyzes advances in retinal robotic surgery, its current drawbacks and limitations, and the potential role of artificial intelligence in robotic retinal surgery.


2018 ◽  
Vol 3 (1) ◽  
pp. 612-619 ◽  
Author(s):  
Thomas Probst ◽  
Kevis-Kokitsi Maninis ◽  
Ajad Chhatkuli ◽  
Mouloud Ourak ◽  
Emmanuel Vander Poorten ◽  
...  

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