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Sinusitis Overview

Sinusitis is defined as an inflammation of the sinus lining, and is commonly caused by structural issues such as ostial blockage, bacterial infections, viral infections or a combination of these. For many patients, symptoms vary and may include nasal congestion, facial discomfort, nasal discharge, headache and fatigue. Sinusitis is considered acute when symptoms last 4 weeks or less and chronic when it lasts 12 weeks or longer.


Balloon Sinus Dilation is safe and effective procedure for chronic sinusitis patients who are not responding well to medications and seeking relief from uncomfortable and painful sinusitis symptoms.

In Balloon Sinus Dilation ENT surgeons open inflamed sinuses in the same way that heart surgeons open up blocked arteries during balloon angioplasty.

Balloon Sinus Dilation is minimally invasive than traditional sinus surgery and effective at relieving symptoms of chronic sinusitis. Balloon Sinus Dilation allows patients to return to normal activities quickly unlike conventional sinus surgery. Sinus balloon dilation does not include removal of bones or tissue from the nose.

Common signs and symptoms of Sinusitis:

  • Facial pain, pressure, congestion or fullness
  • Difficulty in breathing
  • Discharge of yellow or green mucus
  • Tooth pain
  • Loss of the sense of smell or taste
  • Headache
  • Fatigue
  • Sore throat
  • Bad breath

This new minimal invasive technology uses a small, flexible Sinus Balloon Catheter to open up blocked sinus passage in order to restore the normal drainage and function of the sinus. The ostium is gently restructured and widened by the inflated balloon while preserving the natural anatomy.

Balloon dilation is performed by qualified Ear, Nose and Throat (ENT) Surgeons. It may be performed as single therapy or in combination with other medical treatments or conventional sinus surgery (hybrid procedure).

Sinuses are opened in the same way that doctors open up blocked arteries during a balloon angioplasty.

Balloon Sinus Dilation System Procedure:

  • A balloon catheter is inserted into the inflamed sinus.
  • The balloon is inflated to expand the sinus opening.
  • Saline is used to wash the infected sinus.
  • The system is removed leaving the sinuses opened.

MESIRETM Balloon Catheter:

MESIRETM Balloon catheter is non-compliant balloon catheters designed for precise control on diameter of balloon expansion. It enables accurate placement of balloon in the sinus ostia through visual indicators.



MesireTM guide catheter with a distal angle of 0o, 30o, 70o, 90o, 110° are designed for targeted navigation of the MesireTM balloon catheter into respective sinus ostium. MesireTM guide is having a soft atraumatic tip which prevents the tissue trauma during the insertion.


MESIRETM Illuminus:

Light compatible light wire provides sinus cavity navigation and as an insertion aid for the balloon catheter. Illumination of the light wire allows precise placement.