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Safety needle accessory

  • US 8,425,468 B2
  • Filed: 08/06/2007
  • Issued: 04/23/2013
  • Est. Priority Date: 08/04/2006
  • Status: Active Grant
First Claim
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1. A safety needle accessory comprising:

  • a hub for surrounding a hollow needle having a tip and having a connector for attachment to a syringe, wherein the hub has a first seal which engages sealingly with the connector,a slidable sleeve adapted to slide over the needle in a first longitudinal direction from a first position in which the needle is fully or partially covered by the sleeve to a second position in which the needle is exposed, and in a second longitudinal direction from the second position to a third position in which the needle is fully covered by the sleeve, the slidable sleeve including a distal end proximate the tip of the needle and an opposing free end proximate the connector, the free end of the slidable sleeve sliding over at least a portion of the hub when the slidable sleeve moves from the first position to the second position, anda pack surrounding the hollow needle, hub and slidable sleeve having a closed end covering the needle and an open end exposing the connector of the hub, wherein the pack is comprised of an elastic material which is gas-permeable and impermeable to microorganisms and pyrogens, and wherein the pack has a first section which abuts the hub or the first seal to form a second seal, and wherein the pack has a second section which engages the needle tip to form a third seal between the closed end of the pack and the needle tip, andwherein the needle tip extends past a distal end of the slidable sleeve in the first position in a pre-injection state.

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