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Safety Blood-Collection Needle

  • US 20170014062A1
  • Filed: 06/23/2014
  • Published: 01/19/2017
  • Est. Priority Date: 04/11/2014
  • Status: Active Grant
First Claim
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1. A safety blood-collection needle, comprising:

  • a needle seat, a needle guard, a hose, a straight needle, a straight needle handle and a needle head, the needle guard covering the needle head, two ends of the hose communicating with the straight needle and the needle seat respectively, the straight needle handle disposed on a joint of the straight needle and the hose, the straight needle used to be inserted into a vacuum tube, characterized in that, the safety blood-collection needle further comprises a protective shield, a slider, a handle and a retaining mechanism, the needle seat being cylindrical, which is fixed to and communicates with the needle head at one end and connects to the hose at the other end;

    the slider is a cylinder having two opened ends and movably covers the needle seat, and the length of the slider in a movable direction is larger than the length of the needle head;

    the axial length of the needle seat is larger than the length of the needle head;

    the retaining mechanism is disposed on the slider and the needle seat, for securing the slider on the needle seat after the slider slides to a position where the slider completely shelters the needle head;

    the handle is fixed to the needle seat, and the handle abuts against the slider;

    the inner diameter of the protective shield is larger than the outer diameter of the vacuum tube, the protective shield covering the straight needle and fixed to the straight needle handle by screwing.

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