APrevent® VOIS

VOcal Implant System (VOIS)

Long-term implant for the treatment of unilateral vocal cord paralysis (UVFP)/glottic insufficiency in type I thyroplasty operations.

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Adjustable implant system for glottic insufficiency


  • Long-term , intra and post-operative adjustable implant
  • Complete closure of anterior and posterior glottic gap
  • Minimal invasive and optimal outcome for each patient

The APrevent® Voice Implant System (VOIS) is designed for the treatment of glottic insufficiency and unilateral vocal cord paralysis (UVFP). It is used in the type I thyroplasty procedure to improve
voice quality and obtain complete closure of the glottal gap through complete medialization of the paralyzed vocal cord along its entire length.
The APrevent®VOIS is a long-term implant available in four different sizes (XS, S, M and L), with a specially designed instrument set.
The APrevent®VOIS consists of three components: titanium housing with integrated access chamber and port membrane, fixing plate with screw and deflatable silicone cushion.

Features of APrevent® VOIS

  • Adjustability: Cushion can be adjusted intra and post-operatively
  • Standardized procedure: Instrument set designed for standardization of surgical procedure
  • Optimization: Individual fine tuning with result optimization, even after the operation
  • Delicate design: Vector specific expansion of silicon cushion with complete glottic gap
  • Non-allergic material: Implant is made by medical grade titanium, silicone and PET suture
  • Minimally Invasive: Shorter operation time with reduced complication risks

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