Offset mouthpiece structure for underwater breathing

Details Offset mouthpiece structure for underwater breathing Offset mouthpiece structure for underwater breathing

1982-12-30

1984-08-21

Recla, Henry J.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

128136, A62B 700

Patent

active

044664346

ABSTRACT:
This invention solves the problem of underwater mouthpieces for breathing apparatus that the mouthpieces must be gripped by the teeth to hold them in place with the jaws in an unnatural and uncomfortable position which can result in unsafe conditions as well. Thus, the flange on the end of a breathing tube of a mouthpiece over which the lips are placed is made into two portions offset by about 40 mm (1/4 inch). Thus the teeth may rest against these portions and bite down on the gripping members extending into the mouth to hold the mouthpiece firmly in place in the natural mating position of the jaws that produces a slight overbite to the teeth in the upper jaws. The mouthpiece can for example be placed on a snorkel attachment or the breathing tube of other underwater breathing apparatus and thereby be held more safely and firmly without discomfort or damage to the jaw structure.

REFERENCES:
patent: 3060935 (1962-10-01), Riddell
patent: 3107667 (1963-10-01), Moore
patent: 3814090 (1974-06-01), Hill
patent: 3844281 (1974-10-01), Shamlian
patent: 3929548 (1975-12-01), Shamlian
patent: 4031888 (1977-06-01), Walters
patent: 4055895 (1977-11-01), Huge
patent: 4071024 (1978-01-01), Blanc
patent: 4169473 (1979-10-01), Samelson

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