Disposable front-point triggered safety self-destruction blood taking device

Disposable front-point triggered safety self-destruction blood taking device

CN
  • CN 201,537,093 U
  • Filed: 11/18/2009
  • Issued: 08/04/2010
  • Est. Priority Date: 11/18/2009
  • Status: Active Grant
First Claim
Patent Images

1. One kind disposable before some trigger-type safety self-destruct blood-taking device, comprise clamping device (1) and blood taking needle (2), described blood taking needle both sides are clamping device (1) clamping, it is characterized in that described blood taking needle rear end is provided with spring (3) and is connected with clamping device (1), described clamping device clamping blood taking needle and compress spring (3) accumulation of energy;

  • Described clamping device (1) front end setting cooperates the deploying device (4) that discharges blood taking needle with clamping device (1), described deploying device (4) inner hollow forms the ejection chamber (41) for the blood taking needle ejection operation;

    Ejection chamber matched in clearance in described blood taking needle and the deploying device.

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