Endoscopic bite block

Abstract

There is provided herein, a bite block comprising an insertion channel and an airway channel, wherein the airway channel is adapted to receive exhaled breath and wherein the first insert channel is adapted to pass a medical instrument. There is provided herein, a bite block comprising an oral insert channel, wherein a portion of said channel opens into a cavity adapted to slidably receive an oral prong the oral insert channel is adapted to receive exhaled breath.

1 - 20 . (canceled) 
     
     
         21 . A bite block comprising a mouthpiece, said mouthpiece comprising:
 an airway channel configured to receive exhaled breath from a patient;   an insertion channel extending essentially along the length of said mouthpiece, said insertion channel configured to pass a medical instrument and to allow substantially free flow of breath; and   an oxygen channel located along an inner wall of said insertion channel, said oxygen channel configured to deliver oxygen therethrough,   wherein said airway channel is formed parallel to a wall of said insertion channel such that said airway channel is separated from said insertion channel and said oxygen channel, and wherein said airway channel is configured to protrude further into the mouth than said oxygen channel when in use, such that a substantial distance is maintained between the openings of said channels.   
     
     
         22 . The bite block of  claim 21 , wherein said airway is parallel to said insertion channel along its entire length. 
     
     
         23 . The bite block of  claim 21 , further including a cavity positioned in a forward section of the bite block, said cavity positioned external to the patient's mouth, when in use. 
     
     
         24 . The bite block of  claim 23 , wherein said cavity is configured to receive an oral nasal cannula. 
     
     
         25 . The bite block of  claim 24 , wherein said cavity comprises a floor comprising a surface adapted to support said oral nasal cannula, when fitted in said cavity. 
     
     
         26 . The bite block of  claim 21 , further comprising a main body portion configured to be positioned externally to the patient's mouth, said main body portion comprising an opening to said insertion channel. 
     
     
         27 . The bite block of  claim 26 , wherein said main body portion comprises a first lateral section extending laterally from one side of said main body portion towards a first attachment point and a second lateral section extending laterally extends towards a second attachment point. 
     
     
         28 . The bite block of  claim 27 , wherein each of said first and second attachment points comprise openings adapted to receive a strap, said strap configured to fix said bite block around the back of the patient's head.