Negative pressure aspirator

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...

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1. Verfasser: LENG YUANXI
Format: Patent
Sprache:chi ; eng
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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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creator LENG YUANXI
description 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 respectively, the free end of the negative pressure suction pipe is connected with a suction cup, and an upper connecting disc and a lower connecting disc are arranged at the top and the bottom of the air bag. The side wall of the upper connecting disc and the side wall of the lower connecting disc are hinged to one end of an upper connecting rod and one end of a lower connecting rod respectively, and the free end of the upper connecting rod is hinged to the free end of the lower connecting rod through a pin shaft. A handle is fixed to the top of the upper connecting disc. According to the negative-pressure aspirator, a patient can press the negative-pressure aspirator more conveniently, the negative-pressure aspirat
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The side wall of the upper connecting disc and the side wall of the lower connecting disc are hinged to one end of an upper connecting rod and one end of a lower connecting rod respectively, and the free end of the upper connecting rod is hinged to the free end of the lower connecting rod through a pin shaft. A handle is fixed to the top of the upper connecting disc. 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subjects 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
title Negative pressure aspirator
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