Patent ID: 8377006
Filing Date: 2013-02-19
Classification: A61B,A61M

Abstract:
1. An access device for placing a medical article within a body space, comprising: a needle section including an elongated needle body with a sharp distal tip and a needle hub from which the needle body extends; a medical article section comprising a tubular portion and a tube hub fixed to the tubular portion, the tubular portion being coaxially disposed and slideable over the needle body with the tube hub being disposed distal of the needle hub; and a locking mechanism disposed within the medical article section and selectively operating between the needle section and the medical article section, the locking mechanism being configured to move into a locked position from an unlocked position to arrest axial movement of the needle body at least in the distal direction once the distal tip of the needle body is drawn into the medical article section to protect the distal tip, wherein once in the locked position the locking mechanism is prevented from moving back to the unlocked position.