Single-walled balloon catheter with non-linear compliance charac

Details Single-walled balloon catheter with non-linear compliance charac Single-walled balloon catheter with non-linear compliance charac

1996-05-03

1998-11-10

Buiz, Michael Powell

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

606192, 606198, A61M 2900

Patent

active

058336575

ABSTRACT:
A balloon element for use in a catheter has a multi-layered single-walled structure and a compliance characteristic exhibiting a first, non-compliant region at low operating pressures and a secondary compliant region at higher operating pressures. The properties of the balloon element permit it to serve for both dilatation of bodily vessels and stent delivery and implantation. A method of manufacturing the balloon element involves extrusion of a tube of material, such as PEEK, which serves as an inner wall layer of the finished balloon element and provides the desired strength and compliance characteristics of the balloon element, and a post-extrusion over the first tube, which provides an outer wall layer in the finished balloon element imparting abrasion resistance and other desirable mechanical properties.

REFERENCES:
patent: 5254090 (1993-10-01), Lombardi et al.
patent: 5270086 (1993-12-01), Hamlin
patent: 5348538 (1994-09-01), Wang et al.
patent: 5478349 (1995-12-01), Nicholas
patent: 5490839 (1996-02-01), Wang et al.
patent: 5554120 (1996-09-01), Chen et al.
patent: 5587125 (1996-12-01), Roychowdhury

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