Respiratory tube without fastening assemblies

Details Respiratory tube without fastening assemblies Respiratory tube without fastening assemblies

2006-01-03

2006-01-03

Bennett, Henry (Department: 3743)

Surgery

Respiratory method or device

Draw-type snorkel

C128S200290, C128S201280, C128S207110, CD24S110500

Reexamination Certificate

active

06981500

ABSTRACT:
A front-worn respiratory tube without fastening assemblies namely fastening rings, hooks, buttons, clamps, sheaths or strips, includes a head-top-portion tube, a forehead-portion tube, a mouth-eyebrow-portion tube, a mouthpiece and a fish-mouth-shaped mouthpiece in a downward direction in sequence. Wherein, the aforesaid five parts are either wedge-type structures or join-type structures at three parts (from the head-top-portion tube to the forehead-portion tube, from the forehead-portion tube to the mouth-eyebrow-portion tube, and from the mouth-eyebrow-portion tube to the mouthpiece portion). The forehead-portion tube utilizes water drag force to have the tube steadily staying close to the user's head. A water-drop-shaped sectional area at the head-top-portion tube is capable of minimizing water drag. The aforesaid structure according to the invention is adaptable to head dimensions and a height of a nose tip of the user.

REFERENCES:
patent: 1081745 (1913-12-01), Johnston et al.
patent: 1282527 (1918-10-01), Bidonde
patent: 1539733 (1925-05-01), Haskell
patent: 2818067 (1957-12-01), Rebikoff et al.
patent: D350379 (1994-09-01), Kirchner
patent: 6073626 (2000-06-01), Riffe
patent: 6318363 (2001-11-01), Monnich
patent: 6516802 (2003-02-01), Hansen et al.
patent: 6854465 (2005-02-01), Bordewick et al.

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