Robot-assisted three-dimensional registration for cochlear implant surgery using a common-path swept-source optical coherence tomography probe

Saumya S. Gurbani, Paul Wilkening, Mingtao Zhao, Berk Gonenc, Gyeong Woo Cheon, Iulian I. Iordachita, Wade Chien, Russell H. Taylor, John K. Niparko, Jin U. Kang

Research output: Contribution to journalArticle

Abstract

Cochlear implantation offers the potential to restore sensitive hearing in patients with severe to profound deafness. However, surgical placement of the electrode array within the cochlea can produce trauma to sensorineural components, particularly if the initial turn of the cochlea is not successfully navigated as the array is advanced. In this work, we present a robot-mounted common-path swept-source optical coherence tomography endoscopic platform for three-dimensional (3-D) optical coherence tomography (OCT) registration and preoperative surgical planning for cochlear implant surgery. The platform is composed of a common-path 600-?m diameter fiber optic rotary probe attached to a five degrees of freedom robot capable of 1 μm precision movement. The system is tested on a dry fixed ex vivo human temporal bone, and we demonstrate the feasibility of a 3-D OCT registration of the cochlea to accurately describe the spatial and angular profiles of the canal formed by the scala tympani into the first cochlear turn.

Original languageEnglish (US)
Article number057004
JournalJournal of biomedical optics
Volume19
Issue number5
DOIs
StatePublished - May 2014

Keywords

  • endoscopy
  • fiber optics imaging
  • imaging systems
  • optical coherence tomography
  • registration

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering

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