Table 2.

Barriers to prevent transmission during endoscopy.

Name	Material	Description
Endoprotector (40)	Acrylic plastic	Composed of four faces of the box. Face A (for endoscope insertion), B (for anesthetist), C (air aspiration and creation of negative pressure), D (for patients' neck and shoulders)
C-Cube (42)	Plexiglas	Multiple entryways (endoscopists and anesthesiologists' access) for procedures involving oral cavity
Aerosol box (41)	Plastic	Predominately used for endotracheal intubation. Two circular ports provided for the clinician hands to perform airway procedure
ORIGAMI (43)	Coated cardboard and polypropylene film	Disposable face-protective shield to protect surgical mask and N-95 respiratory mask from aerosols
Endoscopic shield (44)	Plastic cube	Two small holes for endoscopist access to the oral cavity
Chamber unit (45)	Multiple structures	For Ear, Nose, Throat exams- Composed of air inlet, ultraviolent lamps, exhaust system with vents, speaker and additional screen