Cochlear Implants

Question 1

companies

Answer 1

cochlear corporation
advanced bionics
med-el

Question 2

basics

Answer 2

converts sound
electrical impulses to stimulate cochlea

Question 3

components

Answer 3

external mic
processor
transmitter coil
internal electrode array

Question 4

channels

Answer 4

up to 22

Question 5

candidacy for adults

Answer 5

• moderate-profound loss
• less than 40% speech recognition
• no medical contraindications

Question 6

candidacy for children

Answer 6

• 8+ months, severe-profound loss
  -poor progress with aids

Question 7

hybrid implants

Answer 7

combine acoustic + electric (for partial hearing)

Question 8

risks

Answer 8

facial paralysis
meningitis
taste loss
vestibular issues
device failure
magnet/MRI concerns