Description | For Canalicular Stenosis in Infants. Medical grade silicone. Note: Can also be used in DCR because of its high flexibility. Probe entirely embedded in silicone tubing (non-traumatic). Box of 3, sterile. | The MASTERKA is indicated for congenital nasolacrimal duct obstructions that are resistant to probing. Unlike the traditional “pulled” technique in which the stent is advanced through the nasolacrimal system and retrieved through the nose by pulling |