Provox® NID

Clinical application

The Provox® NID prosthesis is the newest non-indwelling prosthesis on the market. It has an additional safety ring to prevent dislocation in the trachea.

Type of prosthesis: Low-resistance non-indwelling prosthesis
Outer diameter of shaft: 5.7 mm (17 Fr), 6.7 mm (20 Fr)
Shaft lengths: 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 18 mm
Material: silicone (prosthesis body), plastic (valve bearing)
Valve type: flap valve
Method of insertion: anterograde with an inserter
Indication: standard prosthesis
Biofilm resistance: no
Underpressure stability:  
Non-fatiguing valve mechanism: no
Prevalence: USA, Australia, Europe


1. Hancock K, Houghton B, Van As-Brooks CJ, Coman W. First clinical experience with a new non-indwelling voice prosthesis (Provox NID) for voice rehabilitation after total laryngectomy, Acta Otolaryngol. 2005 Sep;125(9):981-90