Negative pressure aspirator for throat

Abstract

1. The name of the design product: throat negative pressure aspirator. 2. The use of the design product: the design is used to suck out the throat foreign matter. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 in use state perspective view. 5. Other circumstances that need to be explained: the design includes four similar designs, design 1-design 4, among which design 1 is the basic design.

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