Patent ID: 7922696
Filing Date: 2011-04-12
Classification: A61B,A61M

Abstract:
1. An access device for placing a medical article within a body space, comprising: a needle section including an elongated body and a needle hub, the elongated body having distal and proximal ends, the distal end being configured for insertion into a patient's body, the proximal end being coupled with the needle hub; a dilator portion including a dilator and a dilator hub, the dilator being coaxially disposed and slideable over the elongated body of the needle section with the dilator hub being disposed distal of the needle hub; a sheath section comprising a sheath and a sheath hub, the sheath being coaxially disposed and slideable over the dilator with the sheath hub being disposed distal of the dilator hub; a first locking mechanism operably disposed between the needle hub and the dilator hub to inhibit at least unintentional axial movement between the needle section and the dilator portion when said first locking mechanism is engaged; and a second locking mechanism operably disposed between the dilator hub and the sheath hub to inhibit at least unintentional axial movement between the dilator portion and the sheath section when said second locking mechanism is engaged; wherein each of said first and second locking mechanisms is configured to be engaged by moving the respective hubs in a non-axial manner relative to each other, and wherein the first locking mechanism is configured to move in a manner different from the manner in which the second locking mechanism is engaged.