POROUS CATHETER BALLOON AND METHOD OF MAKING SAME

WIPO Patent Application WO/2010/111124

A3

A porous balloon (14) or other catheter structure is formed by creating specific size pores (24) for delivering an agent to a body lumen (18). The pores can be created by passing matter or energy through the surface of the catheter structure, as by a laser (35) or a projectile (51). In the case of laser, the catheter structure can be reversed so that the inner surface becomes the outer surface to convert diverging pores into converging pores. In the case of projectiles, a pore size can be achieved by selecting an appropriate size and shaped projectile to obtain the desired characteristic. Alternatively, a material to make the catheter structure can include impurities (29,59) that can be removed once the catheter structure is set, leaving pores where the material formed around the impurities.

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MAGANA JESUS (US)
VON OEPEN RANDOLF (US)
WEBLER JR WILLIAM E (US)
BRADSHAW ALLAN (US)
EHRENREICH KEVIN J (US)

PCT/US2010/027878

November 18, 2010

March 18, 2010

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ABBOTT CARDIOVASCULAR SYSTEMS (US)
MAGANA JESUS (US)
VON OEPEN RANDOLF (US)
WEBLER JR WILLIAM E (US)
BRADSHAW ALLAN (US)
EHRENREICH KEVIN J (US)

A61F2/958; B24C1/04; B26F1/00; B29C49/00

EP0920882A2	1999-06-09
US5087244A	1992-02-11

GUNTHER O. HANKE (6060 Center Drive Tenth Floo, Los Angeles California, US)

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