Patent ID: 6228066
Filing Date: 2001-05-08
Classification: A61M

Abstract:
An injury resistant needle device, comprising an outer protective tube; a needle unit having a needle which is movable relative to said outer protective tube between an extended position in which said needle is exposed outside of said outer protective tube and a retracted position in which said needle is completely confined inside said outer protective tube; moving means for moving said needle unit between said extended and retracted positions said moving means including a plurality of first engaging formations provided on said needle unit, and a rotary member provided with second engaging formations interengagable with said first engaging formations and turnable by a user; and turning means for turning said rotary member by a user, said turning means being formed so that when a user acts initially on said turning means said rotary member is turned for displacing said needle unit from said extended position to said retracted position and during a further action by the user said turning means is deactivated so as not to allow turning of said rotary member, said turning means being connected with said rotary member so that during said initial action by the user said turning means turns said rotary member, and during said further action by the user said turning means is broken so that a users turning action no longer can be transmitted to said rotary member.