Ureteral stents for release of urologically beneficial agents

Details Ureteral stents for release of urologically beneficial agents Ureteral stents for release of urologically beneficial agents

2009-03-26

2011-11-01

Isabella, David (Department: 3774)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Hollow or tubular part or organ

C604S008000, C623S023700

Reexamination Certificate

active

08048171

ABSTRACT:
According to one aspect of the invention, ureteral stents are provided that comprise an elongated stent body and a urologically beneficial agent. The elongated stent body comprises a kidney portion adapted to occupy the kidney of a subject upon implantation, a ureter portion adapted to occupy the ureter of a subject upon implantation, and a bladder portion adapted to occupy the bladder of a subject upon implantation. The ureteral stents of the invention are adapted to release the urologically beneficial agent into the subject. Moreover, the amount of urologically beneficial agent that is released varies along the length of the stent. Other aspects of the invention pertain to methods of forming such stents and methods of using such stents.

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