A virtual reality ear ossicle surgery simulator using three-dimensional computer tomography

Ming-Shium Hsieh, Fei Peng Lee, Ming Dar Tsai

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This paper describes a virtual reality simulator for middle ear ossicle surgery. An automatic segmentation method has been developed to segment tiny ear ossicles at transverse computer tomography (CT) slices. Surgeons can therefore easily observe the three-dimensional (3D) geometry of the segmented ossicles by the volume reconstruction and the spatial relation with the temporal bone to diagnose middle ear disease. Surgeons can use a virtual reality round cutting bur to cut the temporal bone for opening the 3D tympanic cavity, and a virtual reality round polishing bur to cut for separating ear ossicles from other bones or to polish the adhered tissue sclerosis on the ear ossicles. These burring simulations can achieve real-time visual and haptic responses based on our reported volume manipulation methods. A technique is developed to judge if a separation among the ossicles or from the temporal bone occurs during the burring simulations so that repositioning simulations can be followed to align the ear ossicles. A simulation example of a real ear ossicle surgery demonstrates these simulation functions work well even for tiny ossicles and thus shows the effectiveness of the surgical simulator to rehearse the surgical procedures, confirm surgical plans and train interns and students.

Original languageEnglish
Pages (from-to)57-63
Number of pages7
JournalJournal of Medical and Biological Engineering
Volume30
Issue number1
Publication statusPublished - Feb 2010

Fingerprint

Ear Ossicles
Surgery
Virtual reality
Tomography
Bone
Simulators
Temporal Bone
Middle Ear
Polishing
Industrial Oils
Ear Diseases
Sclerosis
Tissue
Students
Geometry
Bone and Bones

Keywords

  • Ear ossicle
  • Middle ear surgery
  • Virtual reality surgery simulation
  • Volume visualization

ASJC Scopus subject areas

  • Biomedical Engineering
  • Medicine(all)

Cite this

A virtual reality ear ossicle surgery simulator using three-dimensional computer tomography. / Hsieh, Ming-Shium; Lee, Fei Peng; Tsai, Ming Dar.

In: Journal of Medical and Biological Engineering, Vol. 30, No. 1, 02.2010, p. 57-63.

Research output: Contribution to journalArticle

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