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| Number | Title | Issue Date |
| 5807306 | Polymer matrix drug delivery apparatus A drug delivery apparatus and method for delivering a drug locally to internal body tissue using a catheter device including a polymer matrix containing a drug. The drug is actively transported from the polymer matrix to the internal body tissue using ion... | 09/15/1998 |
| 5419763 | Prostatic drug-delivery catheter A method and apparatus for the treatment of a prostate gland which isolates the prostatic urethra from the membranous urethra and the bladder so that fluid may be transported into the prostatic ducts without compromising the openings to the prostatic duct... | 05/30/1995 |
| 5286254 | Drug delivery apparatus and method A drug delivery apparatus and method for delivering a drug locally to internal body tissue. The invention contemplates positioning a drug delivery device in a body passageway or within body tissue and then selectively introducing a selected drug so that i... | 02/15/1994 |
