Some embodiments include adjustable oral airway devices. The devices may contain a bite block, a tongue deflector extending through the bite block, and at least one locking mechanism configured for releasably retaining the tongue deflector in one of two or more predetermined positions within the bite...http://www.google.es/patents/US20100095968?utm_source=gb-gplus-sharePatente US20100095968 - Adjustable Oral Airway Devices, And Adjustable Oral Airway Kits
Adjustable Oral Airway Devices, And Adjustable Oral Airway Kits
