Balloon catheter

Details Balloon catheter Balloon catheter

2007-02-06

2007-02-06

Miggins, Michael (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S036100, C428S035200, C604S096010, C604S103060, C604S103090, C606S194000

Reexamination Certificate

active

10632952

ABSTRACT:
A balloon catheter includes a long-sized body extending between a proximal end and a distal end, the body internally having at least one lumen, and a balloon made from a composite material composed of short-fibers for reienforcement and a matrix resin, the balloon being disposed on the distal side of the long-sized body. The short-fibers are oriented in the balloon in such a manner that in a longitudinal cross-section of the balloon, 25% or more of the short-fibers are oriented in the major-axis direction of the balloon, 25% or more of the short-fibers are oriented in the direction oblique to the major-axis direction, and the remaining short-fibers are oriented in the direction nearly perpendicular to the major-axis direction; and in a diametrical cross-section of the balloon, 8% or more of the short-fibers are oriented in the circumferential direction of the balloon, 25% or more of the short-fibers are oriented in the direction perpendicular to the circumferential direction, that is, in the major-axis direction, and the remaining short-fibers are oriented in the direction oblique to the circumferential direction. The balloon catheter exhibits a high strength to withstand pressure and a good trackability.

REFERENCES:
patent: 5868704 (1999-02-01), Campbell et al.
patent: 6303697 (2001-10-01), Yuan et al.
patent: 2001/0043998 (2001-11-01), Chen et al.
patent: 2002/0081404 (2002-06-01), Schaible et al.
patent: 2003/0093107 (2003-05-01), Parsonage et al.
patent: WO 95/18647 (1995-07-01), None
patent: WO 98/05377 (1998-02-01), None
patent: WO 01/34062 (2001-05-01), None

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