Textured balloons

Details Textured balloons Textured balloons

2003-12-19

2011-11-01

Houston, Elizabeth (Department: 3731)

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

Reexamination Certificate

active

08048093

ABSTRACT:
A cutting balloon for use in PTCA and PTA procedures and methods for manufacturing cutting balloons are disclosed. One or more surfaces of the cutting balloon are formed with a non-smooth surface texture to improve adhesion between cutting blades and the inflatable balloon, to improve traction between the cutting balloon and the arterial wall, or to prevent inadvertent balloon perforation by a cutting blade. Textures, which can include a knurling texture and a nodular texture can be formed on the inflatable balloon surface directly using laser ablation. Alternatively, the texture can be formed on a mold surface used to mold the inflatable balloon from a parison. Mold surfaces can be textured using a laser photolithography process, sandblasting or a high-speed tool such as a diamond saw.

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