Patent ID: 7338466
Filing Date: 2008-03-04
Classification: A61M

Abstract:
1. A drainage catheter adapted to drain fluid from a body cavity through a body conduit, comprising: an elongate tube having a proximal end and a distal end, and being sized and configured for insertion into the body cavity; an expandable retention member disposed at the distal end of the elongate tube and being adapted for movement between a low-profile state facilitating insertion of the catheter into the body cavity, and an expanded high-profile state facilitating retention of the distal end of the catheter in the body cavity; a stylet removably insertable into the elongate tube to facilitate insertion and placement of the catheter in the body cavity; and a ratcheting member having a suture attached thereto and a collapsible backend for snap-action when pulled through a collar disposed within the elongate tube, said ratcheting member slides along the elongate tube pulling on said suture until said retention member is deployed.