US 20030144727A1
(19) United States
(12) Patent Application Publication (io) Pub. No.: US 2003/0144727 Al
Rosenthal et al. (43) Pub. Date: Jul. 31,2003
(54) MEDICAL DEVICE FOR DELIVERING BIOLOGICALLY ACTIVE MATERIAL
(76) Inventors: Arthur L. Rosenthal, Boston, MA (US); William Joseph Shaw,
Cambridge, MA (US)
Correspondence Address:
PENNIE AND EDMONDS
1155 AVENUE OF THE AMERICAS
NEW YORK, NY 100362711
(21) Appl. No.: 10/062,794
(22) Filed: Jan. 31, 2002
Publication Classification
(51) Int. CI.7 A611- 2 06
(52) U.S. CI 623/1.15; 623/1.42
A medical device for delivering a biologically active material into a body tissue, comprising struts and optionally the biologically active material. In an embodiment, the medical device comprises non-structural elements integral with the struts. A method for designing such medical device are also disclosed. Another embodiment is a medical device having an outer surface comprising a middle section and end sections. The end sections have a greater available surface area, greater affinity for or a greater amount of the biologically active material per unit length of the outer surface than the middle section. The middle section may be covered with a barrier layer. Another embodiment is a medical device comprising a rectangular portion having a greater capacity for carrying a biologically active material per unit length of the outer surface. A method for delivering a biologically active material to a body tissue is also disclosed.
