Patent ID: 6254570
Filing Date: 2001-07-03
Classification: A61M

Abstract:
A back-up retention member drainage catheter comprising:an elongated member having a distal end, a proximal end and a drainage lumen extending longitudinally therein and having at least one external drainage port disposed at least near said distal end; wherein said distal end of said elongated member includes a plug insertable into said drainage lumen and at least one inflation lumen, said plug having an atraumatic shape and closing said drainage lumen and at least one inflation lumen thereat;a back-up retention member having an expanded state and disposed on said elongated member at least near said distal end and proximal said at least one external drainage port; anda primary retention member having an expanded state and disposed on said elongated member and axially and radially surrounding the back-up retention member, the primary retention member also having an inflation port, the inflation port not in fluid communication with the drainage lumen, the primary retention member also adapted in the expanded state to abut a bladder wall to seal a urethra;whereby said back-up retention member can maintain the position of the catheter in a patient should said primary retention member fail in the expanded state.