Ossicular replacement prosthesis
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In medicine, an ossicular replacement prosthesis is a device intended to be implanted for the functional reconstruction of segments of the ossicles and facilitates the conduction of sound waves from the tympanic membrane to the inner ear.[1] There are two common types of ossicular replacement prostheses, the total ossicular replacement prosthesis (TORP) and partial ossicular replacement prosthesis (PORP). A TORP replaces the entire ossicular chain while a PORP replaces only the incus and malleus but not the stapes. Indications for use of an ossicular replacement prosthesis include:[1]
- Chronic middle ear disease
- Otosclerosis
- Congenital fixation of the stapes
- Secondary surgical intervention to correct for a significant and persistent conductive hearing loss from prior otologic surgery
- Surgically correctable injury to the middle ear from trauma
References
[edit]- ^ a b Food and Drug Administration. "510k Notification - Grace Dynamic Ossicular Replacement Prosthesis, 2009".
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