Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Swee Cheau Chong0
Yasushi Takigawa0
Date of Patent
August 19, 2008
0Patent Application Number
108248150
Date Filed
April 15, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A Safety Arteriovenous Fistula (AVF) winged safety needle device provides a safety feature including a protective shield with handling wings, which when placed in cooperating relationship, allows accommodation of a blood collection needle and a hub. The Safety AVF provides a reliable and user friendly first releasable locking mechanism in an insertion position and a second unreleaseable locking mechanism in a protected position. The Safety AVF also allows for rotation of the needle after cannulation in order to maximize blood or fluid flow to or from a vessel.
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