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Needle restraining apparatus

  • US 4,079,738 A
  • Filed: 09/20/1976
  • Issued: 03/21/1978
  • Est. Priority Date: 09/20/1976
  • Status: Expired due to Term
First Claim
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1. In an improved venipuncture device comprising a needle portion including a hub means on one end and a sharpened tip at the other end and a catheter portion, said needle portion extending coaxially through the catheter portion so as to expose the distal end of the needle portion, said venipuncture device further comprising a flexible sleeve joined to the catheter portion and surrounding a part of the needle portion, the improvement comprising:

  • a needle restraining means which fits over substantially the entire length of the flexible sleeve, said restraining means being joined at one end to the catheter portion and joined at the other end to the needle portion at the hub means, said means preventing coaxial movement of the needle portion with respect to the catheter portion during venipuncture, said restraining means further comprising means for removing the restraining means off from the flexible sleeve so as to permit the needle portion to be completely withdrawn after venipuncture.

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