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EVALUATION OF HAND TREMOR SUPPRESSION USING A PASSIVE SURGICAL SUPPORT ROBOT IN SIMULATED RETINAL VASCULAR

Shin Tanaka1, Yuta Taniguchi2,3, Hiroshi Enaida4

  • 1Department of Ophthalmology and Micro-Technology, Yokohama City University, Yokohama City, Japan.

Retina (Philadelphia, Pa.)
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Summary

A new surgical robot significantly reduced hand tremors during simulated retinal vascular cannulation. This passive robot enhances precision for microneedle procedures, improving surgical outcomes.

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Area of Science:

  • Ophthalmology
  • Robotics
  • Surgical Technology

Background:

  • Retinal vascular cannulation is a delicate microsurgical procedure requiring high precision.
  • Hand tremors can significantly impede surgical accuracy and increase complication risks.
  • Minimizing tremor is crucial for successful outcomes in micro-ophthalmic surgery.

Purpose of the Study:

  • To quantitatively assess hand tremor during simulated retinal vascular cannulation using a microneedle.
  • To evaluate the efficacy of a customized passive surgical robot in suppressing hand tremors during this procedure.

Main Methods:

  • A surgical simulation eye model with a microneedle syringe and accelerometer was utilized.
  • Surgical video and tremor data were synchronized to analyze hand movements.
  • Two vitreous surgeons performed simulated cannulations with and without the passive surgical robot.

Main Results:

  • The passive surgical robot significantly reduced hand tremor components during simulated retinal vascular cannulation.
  • Horizontal and combined tremor components decreased significantly before cannulation with the robot.
  • During cannulation, all tremor components (horizontal, vertical, combined) were significantly reduced by up to 35% with the robot (p < 0.001).

Conclusions:

  • A customized passive surgical support robot effectively reduces hand tremor during simulated retinal vascular cannulation.
  • The findings suggest potential for robotic assistance to improve precision in ophthalmic microsurgery.
  • This technology may enhance safety and efficacy in delicate retinal procedures.