Tracheal casing pipe

The utility model discloses a tracheal casing pipe which comprises an arc inner pipe and an arc outer pipe. The inner pipe is connected and sleeved with the outer pipe. An upper annular baffle and a lower annular baffle which are arranged in an inclined mode are arranged in parallel in a spaced and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YAN XIUQIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	The utility model discloses a tracheal casing pipe which comprises an arc inner pipe and an arc outer pipe. The inner pipe is connected and sleeved with the outer pipe. An upper annular baffle and a lower annular baffle which are arranged in an inclined mode are arranged in parallel in a spaced and sleeved mode and fixed to the upper portion of the outer pipe. A tray with the area larger than the upper baffle and the lower baffle is movably arranged on the upper portion of the outer pipe in a sleeved mode and located between the upper baffle and the lower baffle. A first concaved part is arranged in the upper portion of the outer edge of the upper baffle, and the position, corresponding to the first concaved part, of the upper portion of the outer edge of the tray is provided with an arc groove in the direction roughly identical with the length direction of the tray. An annular lug plate is arranged on the upper portion of the inner pipe, the outer diameter of the lug plate is smaller than the outer diameter