الفهرس 
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Abstract
in 1983 the first supraglottic airway device (SAD), the laryngeal mask airway (LMA™) (Intavent Orthofix, Maidenhead, UK) changed this view. LMA™ combines features of the facemask with those of the endotracheal tube (ET), offering the ease of placement, hands-free maintenance and a relatively secure airway (Brain, 1983).Several studies have reported the successful, safe use of the Laryngeal Mask Airway (LMA)-Classic devices in patients who are undergoing laparoscopic surgery (Galvin et al .,2007). The change in the degree of gastric distension with positive pressure during peritoneal insufflation was similar with using either a LMA or an endotracheal tube, and that the ventilator parameters (pulse oxygen saturation, end tidal CO2 tension and airway pressure) were acceptable using either a LMA or an endotracheal tube (Maltby et al .,2000).The incidence of regurgitation during laparoscopes with a LMA was extremely low (Bapat et al .,1997)The Laryngeal Mask Airway- Supreme™ (LMA-S™) is a disposable airway device with curved shaft to ease insertion, a gastric access tube to separate the respiratory and gastric tract to minimize the risk of aspiration and high oropharyngeal leak pressure (OLP) (Ferson et al., 2007, van Zundert et al., 2008). It is constructed of medical grade silicone, and has an inflatable cuff, a reinforced tip, and an elliptical, anatomically shaped, semi-rigid airway tube (Teoh et al., 2010).