| abstract |
An apparatus (20) and method for selectively delivering a medicament to a target location (28) of the wall of a body cavity, blood vessel (26), or the like, comprising a compressed hollow cylinder (40) of permeable, expandable foam, attached to the distal end (24) of a delivery device (22) such as a catheter or catheter guidewire. Using the delivery device (22), the compressed cylinder (40) is advanced to a target location (28) within the body, and the compressed foam cylinder (40) is allowed to expand so as to contact the walls of the body cavity, blood vessel (26), or the like, while allowing bodily fluids (32) to freely flow through the central lumen (46) of the cylinder (40). The foam cylinder (40) is provided with means (38) for perfusing it with a medicament so that the medicament is placed in contact with the walls of the patient's anatomy, and is also provided with means for preventing the medicament from entering the patient's bloodstream. |