Patent ID: 8052659

Claim:
A catheter device, the device comprising: an elongate body with a distal end and a proximal end, the elongate body extending along a central longitudinal axis; a chamber positioned within the elongate body, the chamber having a chamber opening; an axially displaceable valve structure extending coaxially with the elongate body and positioned at the distal end of the elongate body, the valve structure including a barrier having a tapered section, wherein axial displacement of the valve structure causes the barrier to move relative to the chamber opening between an uncovered position where the barrier is positioned to permit flow through the chamber opening and a covered position where a proximal portion of the tapered section fits into the chamber opening such that barrier reduces flow through the chamber opening; and a control wire connected to the valve structure and extending from the valve structure to the proximal end of the elongate body, the control wire configured to control movement of the valve structure.