Overlay dual balloon catheter and method for use thereof

Details Overlay dual balloon catheter and method for use thereof Overlay dual balloon catheter and method for use thereof

1996-09-03

1999-02-09

Buiz, Michael Powell

Surgery

Instruments

Internal pressure applicator

604 96, A61M 2900

Patent

active

058687769

ABSTRACT:
An overlay dual balloon catheter. Two balloons composed of differing materials are employed, the balloons being disposed so as to overlap one another but not being bonded to one another, so that adjacent surfaces of the two balloons are permitted to move relative to one another, to provide improved surface and structural characteristics in a balloon unit. Preferably, an outer balloon, disposed on the exterior of the catheter is composed of latex, silicone, or a thermoplastic elastomer while an inner balloon, disposed underneath the first balloon is composed of a material employed in existing angioplasty balloons such as polyester or polyurethane. The overlay dual balloon catheter may be used in angioplasty, embolectomy and thrombectomy.

REFERENCES:
patent: 5195969 (1993-03-01), Wang et al.
patent: 5295962 (1994-03-01), Crocker et al.
patent: 5304132 (1994-04-01), Jang
patent: 5308323 (1994-05-01), Sogawa et al.
patent: 5320604 (1994-06-01), Walker et al.

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