The Elana LabRings are made of brass and are sold in order to practice the ELANA technique in combination with the Elana Training Catheter. Just like the Elana Rings, the Elana LabRings have an inner diameter of 2.6 mm or 2.8 mm. This product is not sterile and may not be used for clinical cases.
If you would like to have more information or to order Elana Training Products, you could use the following link: Contact Page