Patent attributes
A catheter assembly is disclosed herein including a hub assembly and a needle retracting device. The hub assembly includes a hub and a catheter attached to the hub. The needle retracting device releasably attached to the hub assembly and arranged to project a needle through the catheter for catheterization and to retract the needle and allow detachment from the hub assembly. The needle retracting device includes a chassis extending from a base and a slider carrying the needle supported on the chassis. The slider arranged to move away from the base from a position in which the needle projects through the catheter to a position in which the needle is withdrawn from the catheter and shielded by the chassis. The chassis and hub include movable locking members and cooperating locking surfaces for engaging the locking members. The slider includes retaining surfaces for limiting movement of the locking members.
