Safety self-destroying disposable syringe

Safety self-destroying disposable syringe

  • CN 2,782,120 Y
  • Filed: 01/25/2005
  • Issued: 05/24/2006
  • Est. Priority Date: 01/25/2005
  • Status: Active Grant
First Claim
Patent Images

1. , the disposable syringe of a kind of safety self-destructing, comprise that a hollow barrel, is installed in the plug that the interior push rod and of described syringe is installed in described push rod front end, the front end of described syringe is equipped with a needle stand, it is characterized in that:

  • needle stand comprises awl seat and supporting seat;

    The awl seat is provided with Rule circular cone, and a plurality of " O " type cushion rubber is installed between awl seat body cylindrical and the syringe;

    An awl seat outer lower portion is set up a plurality of elasticity screens pieces, with the syringe of screens piece corresponding section on be provided with stopper slot, its size and screens piece match;

    Awl seat bottom, medial wall is provided with a protruding circle;

    Supporting seat is built up in the awl seat inner chamber, and its endoporus front end is set up an elasticity support claw;

    The supporting seat outer front end is provided with a front flange, and its diameter matches with awl seat endoporus;

    Supporting seat outer setting one flange can cooperate with the elasticity screens piece of awl seat;

    Described push rod front end has a tapered projection, and a pull hook is set up at the middle part of tapered projection;

    The push rod middle part is provided with three easy-to-draw breakpoints.

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