Patent ID: 6729334
Filing Date: 2004-05-04
Classification: A61B,A61M,B67D

Abstract:
A catheter for delivering an aerosol of medicine to a patient comprising:a catheter shaft having a proximal end and a distal end; a lumen through the catheter shaft and communicating at the proximal end with a port for receiving a medicine in a liquid form and communicating at the distal end with a distal orifice from which the medicine can be discharged; means for nebulizing the medicine discharged at the distal orifice into an aerosol plume of particles of the medicine; and means for modifying the aerosol plume of particles of medicine, wherein the modifying means comprises a vacuum orifice located close to the distal orifice from which the medicine is discharged for scavenging air from the nebulized aerosol.