OTOLOGY
Stapedectomy
Objective
• In cases of loss of
hearing due to otosclerosis.
• To
restore hearing by removing the stapes.
Position
Supine with patient’s head turned to the side with the ear to be
operated uppermost.
Anesthesia
Local (Premedication given 45 min before surgery).
Procedure
1. Preparation of the part.
2. Placement of correct size ear speculum.
3. Use of operating microscope.
4. Injection of local anesthesia.
5. Incision in deep meatus at 6-12 o’ clock
position in posterior wall 6 mm from tympanic annulus.
6. Elevation of tympanomeatal flap including the
annulus.
7. Bony overhang in posterosuperior part to be
curretted to expose the stapes area.
8. Making a hole in stapes footplate.
9. Division of stapedius tendon.
10. Disarticulation of incus-stapedial joint.
11. Enlarging the hole in the footplate.
12. Measuring the distance between footplate and
long process of incus.
13. Placement of Teflon piston over long process
of incus.
14. Replacement of tympanomeatal flap.
15. Placement of gel foam/and ear dressing in
external canal.
Instruments
Stapes set
• Circular
knife
• Microscissors
• Zollner
elevators
• Bone
curettes
• Right
angle needles
• Straight
needle stapes microdrill
• Crocodile
ear specula of different sizes
• Speculum
holder measuring rod and grid
• Suction
tube and suction tips.
Any questions be sent to drmmkapur@gmail.com
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