Negative pressure aspirator

The utility model relates to the technical field of negative pressure drainage, in particular to a negative pressure aspirator which comprises an air bag of a hollow cylindrical structure, an exhaust pipe and a negative pressure suction pipe are arranged on the two sides of the top of the air bag re...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LENG YUANXI
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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