Silicone Laryngeal Mask consists of cuff pouch, laryngeal mask cannula, indicator balloon, charging tube, mechanical joint and charging valve, which can be divided into the first, second and third generation according to progress. Currently, there are five kinds of laryngeal masks in clinical use:
1. LMA-ClassicTM Classic Silicone Laryngeal Mask, the first generation product, is a classic standard laryngeal mask.
2. LAM-Flexib-LeTM flexible Silicone Laryngeal Mask is of the same generation. The pipe of the throat cap is inlaid with threaded steel wire to prevent clogging when the bend is bent.
3. LAM≤UniqueTM, Uniquetm is the second generation of the product. The middle of the catheter is strengthened to prevent gnashing.
4, LAM≤FastachTM, endotracheal intubation can be guided by laryngeal mask catheter, high success rate, belongs to the second generation.
5. LMA/ProsealTM, also known as double tube laryngeal mask, has two catheters-one catheter can be ventilated, and the other catheter can be inserted into the gastric tube for drainage, which can prevent reflux suction of stomach contents. It is the third generation of laryngeal mask.
Silicone Laryngeal Mask https://www.nblukemed.com/Anesthesia_And_Respiratory/Silicone_Laryngeal_Mask.html