US Patent 8066678 Safety needle with collapsible sheath
Patent 8066678 was granted and assigned to Bard Access Systems on November, 2011 by the United States Patent and Trademark Office.
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The needle of a syringe, wire guide, biopsy needle, Huber needle and the like is drawn into a protective cap and sheath arrangement after use for disposal purposes. The cap is tethered to a housing in which the needle is mounted by the sheath. The sheath is made of a film material that has a high tensile strength and a low percent of elongation, such as polyester. The sheath is initially mounted about the needle in a collapsed accordion-like condition between the cap and housing. When the cap is moved along the needle, the sheath is played out over the needle. The cap houses a spring clip to snap over the bore through which the needle is retracted to prevent re-emergence of the needle. The flexible nature of the sheath allows the sheath to pass about the two legs of the Huber needle.
US Patent 08066678 Safety needle with collapsible sheath US Patent 8066678 Safety needle with collapsible sheath
US Patent 08066678 Safety needle with collapsible sheath
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