In otoplasty, middle ear implants serve as replacements for damaged or redundant ossicles. Thanks to them, the defect mechanical chain of sound transmission between the tympanum and the stapes footplate can be restored. There are two basic types of middle ear implants:
1. Total implants, or TORP ( Total Ossicular Replacement Prosthesis)
– total ossicular replacement; functional stapes footplate.
2. Partial implants, or PORP ( Partial Ossicular Replacement Prosthesis)
– partial ossicular replacement; stapes still present, stapes footplate functional.
Total middle ear implant is a single implant manufactured from one single piece. Excellent stability and handling with a large choice of lengths and adjustable head angles.
Partial implant designs with slitted bells provide the option of placing the implant on the complete bow of the stapes sides when the stapes head is no longer there.
This secure placement reduces the risk of implant dislocation. The implant head can be either centrally (round head) or eccentrically (oval head) attached to the implant shaft. The oval headed version has an additional groove for an improved fi tting of the malleus. A clearer view for positioning the bell end is possible due to openings found in both versions.
All the designs grant the highest level of user-friendliness. This results in easier handling. Manufactured from high medical grade titanium – ensuring optimal biocompatibility and inertia.
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