Obturator and tracheostomy tube containing the obturator

Offset anatomical mouthpiece

Offset mouthpiece structure for underwater breathing

One hand disconnectable device for artificial breathing apparatu

Oral airway

Oral airway for demountably attaching an endotracheal tube

Oral airway with oximetry means

Oral appliance for delivering gas to the retroglossal area

Oral appliance having hollow body

Oral appliance with negative air supply for reducing sleep apnea

Oral endotracheal tube protector, and methods of constructing an

Oral tube holder

Oro/nasopharyngeal airway for administering/sampling inhalent/ex

Oropharyngeal airway and bite block assembly and method of use f

Oropharyngeal stent with laryngeal aditus shield and nasal airwa

Oxygenating oral medical appliance