| gptkbp:instanceOf | gptkb:medical_device 
 | 
                        
                            
                                | gptkbp:alternativeTo | gptkb:endotracheal_tube 
 | 
                        
                            
                                | gptkbp:can_be_sterilized_by | autoclaving 
 | 
                        
                            
                                | gptkbp:canBe | adults children
 resuscitation
 short surgical procedures
 difficult airway management
 
 | 
                        
                            
                                | gptkbp:complication | sore throat aspiration
 airway trauma
 
 | 
                        
                            
                                | gptkbp:contraindication | full stomach high risk of aspiration
 obstructive airway pathology
 
 | 
                        
                            
                                | gptkbp:enables | positive pressure ventilation spontaneous breathing
 
 | 
                        
                            
                                | gptkbp:has_size_range | 1 to 5 
 | 
                        
                            
                                | gptkbp:hasComponent | gptkb:tube gptkb:mask
 gptkb:connector
 cuff
 
 | 
                        
                            
                                | gptkbp:hasType | reusable disposable
 
 | 
                        
                            
                                | gptkbp:hasVariant | gptkb:Classic_LMA gptkb:Fastrach_LMA
 gptkb:Flexible_LMA
 gptkb:ProSeal_LMA
 gptkb:Supreme_LMA
 gptkb:i-gel
 
 | 
                        
                            
                                | gptkbp:insertedBy | gptkb:hospital anesthesiologist
 emergency physician
 
 | 
                        
                            
                                | gptkbp:insertion | pharynx 
 | 
                        
                            
                                | gptkbp:introduced | 1980s 
 | 
                        
                            
                                | gptkbp:inventedBy | gptkb:Archie_Brain 
 | 
                        
                            
                                | gptkbp:marketedAs | gptkb:Ambu gptkb:Teleflex
 gptkb:Intersurgical
 
 | 
                        
                            
                                | gptkbp:material | gptkb:silicone PVC
 
 | 
                        
                            
                                | gptkbp:provides | airway patency 
 | 
                        
                            
                                | gptkbp:size_depends_on | patient weight 
 | 
                        
                            
                                | gptkbp:used_in | emergency medicine operating room
 anesthesia
 pre-hospital care
 
 | 
                        
                            
                                | gptkbp:usedFor | airway management 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:LMA 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Laryngeal Mask Airway 
 |