Patent ID: 8267917
Filing Date: 2012-09-18
Classification: A61F,A61M

Abstract:
1. A stent assembly for expanding a constricted bodily passage in a patient and draining a fluid thereform, the assembly comprising: a stent having an inflatable body; and an elongated carrier for delivery or retrieval of the stent, the carrier having a distal end and a proximal end, wherein the stent is —circumferentially attached to the distal end of the carrier, the carrier comprising a combination of at least two movable tubes, wherein a first tube comprises a drainage lumen and an inflation lumen and a second tube is a movable member that houses the first tube and is movable over the stents in an expanded form wherein the drainage lumen is in fluid communication with the bodily passage and the inflation lumen in fluid communication with the expandable stent such that the stent may be gradually, continuously or intermittently expanded in place to dynamically dilate the constricted passage,and whereby when the bodily passage is dilated by expansion of said stents within said bodily passage, fluid is drained in place via the drainable lumen of said carrier; wherein the stent is detachable from the catheter; and wherein the second tube has a perforated section to allow the tube to move over the expanded stent.