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Robotic Cochlear Implantation for Direct Cochlear Access
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Short report: surgery for implantable brain-computer interface assisted by robotic navigation system.

Hongjie Jiang1, Rui Wang2, Zhe Zheng2

  • 1Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China. insjhj@zju.edu.cn.

Acta Neurochirurgica
|May 23, 2022
PubMed
Summary
This summary is machine-generated.

This study demonstrates a robotic-assisted surgery for implanting a brain-computer interface (BCI) in a patient with tetraplegia. The BCI enabled prosthetic limb control, showing promising results for spinal cord injury recovery.

Keywords:
Implantable brain-computer interfaceMicroelectrode arrayOperative managementRobotic navigation

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Area of Science:

  • Neurosurgery
  • Biomedical Engineering
  • Rehabilitation Medicine

Background:

  • Tetraplegia resulting from cervical spinal cord injury presents significant motor deficits.
  • Brain-computer interfaces (BCI) offer a potential avenue for restoring function in individuals with severe paralysis.
  • Minimally invasive and precise surgical techniques are crucial for successful BCI implantation.

Purpose of the Study:

  • To describe a novel surgical approach for implanting an investigational brain-computer interface (BCI) in an elderly patient with tetraplegia.
  • To evaluate the safety and efficacy of robotic navigation assistance during BCI implantation surgery.
  • To assess the long-term performance of the BCI system in enabling prosthetic limb control.

Main Methods:

  • Implantation of microelectrode arrays in the left primary motor cortex, guided by functional magnetic resonance imaging (fMRI) for motor imagery.
  • Utilization of a robotic navigation system for precise and stable instrument manipulation during surgery.
  • Employing a bipartite incision technique to minimize infection risk and facilitate post-operative BCI training.

Main Results:

  • Successful implantation of the BCI system with robust neural signal acquisition maintained at 1-year follow-up.
  • The patient achieved control of three-dimensional prosthetic limb movements.
  • No surgery-related complications were reported during the 1-year follow-up period.

Conclusions:

  • Robotic-assisted surgery provides a precise and safe method for implanting brain-computer interfaces.
  • This BCI system demonstrates long-term efficacy in restoring functional independence for individuals with tetraplegia.
  • The surgical approach and BCI technology show significant potential for spinal cord injury rehabilitation.