Manpower sputum aspirator

Manpower sputum aspirator

  • CN 2,381,326 Y
  • Filed: 02/09/1999
  • Issued: 06/07/2000
  • Est. Priority Date: 02/09/1999
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of manual sputum aspirator is made up of handle, negative pressure pump, sputum aspirator tube, liquid containing bottle, it is characterized in that:

  • negative pressure pump import and export check valve adopts the diaphragm type rubber valve and moulds joint firmly;

    The bottle cornice of liquid containing bottle has convex formula steam vent;

    Adopt tapering to connect between negative pressure pump import and export joint and sputum aspirator tube, the liquid containing bottle.

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