PureRegen® Gel Otol is a sterile, non-pyrogen, transparent, viscoelastic and degradable gel. It is composed of hyaluronic acid crosslinked molecules of non-animal origin, which can be used as an ear dressing or stent for patients after middle ear or external ear canal surgery, such as ear canal molding, tympanic membrane molding, stapes and mastoid surgery. It can regulate inflammation, prevent adhesion, protect mucosa, promote healing and provide support for implants.