A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/4
A61B 1/32 (2006.01) A61B 1/24 (2006.01) A61M 16/04 (2006.01)
Patent
CA 1114702
MOUTHPIECE WITH A TONGUE RETRACTOR ABSTRACT A mouthpiece comprising a tubular member about which a person may voluntarily place his lips in an air-tight manner for preventing a passage of air between the lips and the mouth- piece, said tubular member having a principal and a side air passageway and a blade-like member extending from one edge thereof, forming a tongue retractor for restricting the move- ment of the person's tongue and preventing it from obstructing a flow of air through the principal air passageway, is described. For evaluating respiratory processes, the cross-sectional area of the principal air passageway of the tubular member is large enough so as not to significantly affect the then current physiology of the respiratory process being evaluated. For use in administering medication, there is provided, in the interior wall of the mouthpiece, means, such as vanes or gun- barrel rifling, for controlling the air flow therethrough to the throat areas. To accommodate different sized mouths, the tongue retractor is adjustable in size and shape so as not to elicit significant gag reflex from the tongue or soft palate of the person using the mouthpiece and to fit comfortably between the interior edges of the person's teeth and gums along the right and left sides of the lower jaw.
296320
Gowling Lafleur Henderson Llp
Sayer William J.
LandOfFree
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