Middle Ear Implants
- Apr- 2020 -7 April
MIDDLE EAR IMPLANTS
PrinciplesVibrate ossicular chain by electromagnetic or piezoelectric means.-direct transmission of mechanical energy of amplified sound vibrations to ossicular chain.-MEI is coupled to ossicular chain or OW, eliminating acoustic coupling via EAC.Mechanisms of action of different assistive hearingdevices MIDDLE EAR IMPLANTConversion of electric to mechanical energy by 2 mechanisms– Electromagnetic (em):…
Read More » - Mar- 2020 -22 March
Ear DNB ENT Questions – 2010-2019
EAR DNB ENT QUESTIONS – 2010-20191 – a) What are inner ear fluids and their biochemical composition? b) Regulatory mechanism of inner ear fluids. (2+4+4) June 20152 – a) Hidden areas of middle ear. b) Give their diagrammatic representation and surgical importance. (4+4+2) June 20153 – Vibrant Sound Bridge: its…
Read More » - Feb- 2020 -16 FebruaryENT
Types of Hearing Aids. Enumerate Advantages and Disadvantages – JUNE 2016
DEFINITION – It is a device used to amplify the sounds for pronounced irreversible hearing loss and helps in clarity of hearing. PARTS –a) Microphone which collects the sound and transforms into electrical energy. It has a diaphragm with an electromagnet behind it.b) Amplifier which magnifies electrical impulses by use…
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