Page 32 - ENT IMPLANTS CATALOGUE IMPLANTS ORL

MATRIX STAPES PROSTHESIS

HIGHLY COMPLEX STRUCTURES
The latest studies* concerning the incus show that especially the
cross-section, geometry, and size of the auditory ossicle can vary
enormously from person to person and be highly complex. KURZ
has addressed this challenge by developing stapes prostheses
with a perforated loop band.

EASIER MODELING
Longitudinal perforations in the band ensure that the loop is ex-
tremely malleable and easy to model around the long process of
the incus. Consequently, the coupling is simplified significantly and
more uniform. The additional material surface of the MatriX band
provides greater stability during the crimping process.

MINIMAL LOSS OF SOUND CONDUCTION
From an acoustomechanical viewpoint there should be as little
play as possible in the coupling area between the prosthesis and
the incus. A more consistent crimp along with increased surface
area helps to ensure that the incoming acoustic signal is conduct-
ed to the inner ear with minimal loss. To counteract a potential
necrosis risk to the sensitive mucosa the coupling should not be
too firm either.
Developed in close collaboration with Jack Kartush, MD, Michigan
Ear Institute, Bloomfield, MI, USA.
*Tóth, M., Moser, G., Rösch, S., Grabmair, G., & Rasp, G. (2013). Anatomic
Parameters of the Long Process of Incus for Stapes Surgery. Otology & Neurotology,
34(9):1564-1570.

LENGTH REF LENGTH REF LENGTH REF
L (mm) L (mm) L (mm)
Ø 0.4 mm Ø 0.5 mm Ø 0.6 mm

3.50 1006 003 3.50 1006 023 3.50 1006 043
3.75 1006 004 3.75 1006 024 3.75 1006 044
L
4.00 1006 005 4.00 1006 025 4.00 1006 045
4.25 1006 006 4.25 1006 026 4.25 1006 046
4.50 1006 007 4.50 1006 027 4.50 1006 047
4.75 1006 008 4.75 1006 028 4.75 1006 048
5.00 1006 009 5.00 1006 029 5.00 1006 049
ø 0.4 / 0.5 / 0.6 mm 5.25 1006 010 5.25 1006 030 5.25 1006 050
MatriX Stapes Prosthesis 5.50 1006 011 5.50 1006 031 5.50 1006 051
Material:
Pure Titanium (ASTM F67
Medical Grade)
Diameter: 0.4/0.5/0.6 mm
Band loop width: 0.5 mm

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