6. • Single electrode implant was developed in 1972
• Prof kurt burian implanted 1st multichannel
implant in 1977
• Australian cochlear implant was approved for
adult in 1989 by FDA
• 1990 FDA approved age for 2yr and above
• in 2002 for 1yr and up was approved by FDA
• 2005 1st three recepients were implanted with
TIKI device in melbourne
12. Rate of stimulation
• no. of electrical pulses per sec that may be
delivered to an individual electrode contact
• Higher rates:
• Improve representation of temporal
information
• Finer amplitude variations
• Greater control of rate and population of
nerve excited
36. conclusion
• Proven effective treatment for SNHL
• All diagnosed with SNHL must be referred
• Results not good in older children but
assessment by implant centre is worth while
Studies have confirmed cost effectiveness