Safety device for retraction of a needle and guidewire for medical procedures and method of use

A medical assembly safety device for two-stage retraction of a needle and a guidewire after endovascular catheter placement wherein the catheter remains positioned and the needle and guidewire are to be retracted within the safety device comprising:

• a housing extending longitudinally between proximal and distal ends and having an upper housing and defining a cavity extending along at least a portion of the longitudinal length of the housing, said housing being configured for receipt of the retracted needle and guidewire;
• a needle retraction assembly within said housing comprising a retraction frame, a lower frame member upon which said retraction frame slidably moves, and a tab coupled to said retraction frame and extending from said housing cavity and exterior to said upper housing wherein said needle retraction assembly retracts the needle and is configured to retain the needle after retraction and wherein said external tab is moveable a predetermined distance along said housing and proximal movement of said external tab moves said retraction frame proximally to retract the needle at a first retraction rate;
• a guidewire retraction assembly within said housing for retracting the guidewire, said guidewire retraction assembly comprising a pulley system operatively connect to said retraction frame, said pulley assembly including a retraction pulley configured to cooperate with said lower frame member and a tension pulley for retracting the guidewire at a second retraction rate wherein said second retraction rate is greater than said first retraction rate wherein an active retraction system utilizes said needle retraction assembly and said guidewire retraction assembly for actively retracting the needle and guidewire;
• and
• a passive retraction system within said housing and comprising a safety shuttle and a compression spring operatively connected to said safety shuttle wherein said safety shuttle is restrained when said active retraction system is operative and wherein said safety shuttle is released by proximal movement of said retraction frame and said passive retraction system utilizes said pulley system to rapidly and passively retract remaining lengths of the guidewire within said housing wherein said guidewire is retracted a third retraction rate by said passive retraction system wherein said third retraction rate is greater than said second retraction rate.