Skip to main content
. 2007 Mar 10;8(2):234–240. doi: 10.1007/s10162-007-0071-1

TABLE 3.

Measurements from 3D image volume reconstruction

  Distance from round window (mm) Location Position Midmodiolar axis to lateral wall (mm) Midmodiolar axis to electrode (mm) Midmodiolar axis to medial wall (mm)
e12 1.0 st l 4.8 4.7 3.0
e11 3.4 st c 4.2 3.5 2.5
e10 6.0 sv c 4.0 3.2 2.3
e9 8.3 sv l 3.5 3.1 1.3
e8 10.6 sv l 3.2 2.9 1.1
e7 12.7 sv l 2.9 2.9 0.8
e6 14.8 sv l 2.8 2.7 0.6
e5 16.9 sv l 2.5 2.3 0.6
e4 19.0 sv l 2.2 2.0 0.5
e3 21.1 sv l 1.9 1.8 0.3
e2 23.0 sv l 1.9 1.8 0.3
e1 25.1 sv l 1.6 1.5 0.3

Distance from the modiolus to the medial and lateral walls and to the electrode is referenced to a midmodiolar line.

st = scala tympani, sv = scala vestibuli, l = lateral, c = center