Melsheimer, Jeffry S.,Lyons, Drew P.,Bosel, Christopher D.
申请号:
AU2008289133
公开号:
AU2008289133B2
申请日:
2008.08.18
申请国别(地区):
AU
年份:
2013
代理人:
摘要:
A multi-lumen catheter assembly (10) for use in the extracorporeal treatmentof a body fluid of a patient. The catheter assembly includes an elongated catheterbody (12) having a pair of lumens (18) (20) extending therethrough, and a septum(22) separating the lumens. The catheter body has an aspiration port (19) in communicationwith a first lumen (18) for transporting fluid withdrawn from a body vessel toa treatment unit, and an infusion port (21) in communication with a second lumen(26) for return of treated fluid to the vessel. The infusion port is positioneddistal of the aspiration port along a length of the catheter body. A flexible member(42) is provided, wherein the flexible member has an end receivable in the firstlumen (18) and another end engaged with the catheter body distal of the aspirationport. The flexible member is structured and arranged to maintain a spacing betweenthe aspiration port and a wall of the vessel.