Angioplasty method and means for performing angioplasty

Details Angioplasty method and means for performing angioplasty Angioplasty method and means for performing angioplasty

1994-04-19

1996-01-16

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604102, 606194, A61M 2900

Patent

active

054844126

ABSTRACT:
An angioplasty procedure wherein a balloon dilatation catheter is movably positioned within an anchoring catheter which in turn is located within a guiding catheter. Internal balloons in the anchoring catheter can be inflated to anchor it to the balloon dilatation catheter. External balloons on the anchoring catheter can be inflated to anchor it to the inside of the guiding catheter. The balloons can be selectively inflated and deflated. Other external balloons on the inner end and outer surface can be inflated to secure the anchoring catheter within the blood vessel beyond the inner end of the guiding catheter. Perforations appear in the anchor catheter to permit blood to flow inside and outside thereof. An angioplasty method whereby a conventional guide catheter is inserted into the blood vessel to a location just short of the narrowed portion of the blood vessel. The conventional guide wire, balloon dilatation catheter, and anchoring catheter are then inserted through the guiding catheter with the anchoring catheter and balloon dilatation catheter being secured together by the internal balloons on the anchor catheter. As the point of treatment in the blood vessel is approached, the internal balloons are collapsed, and the spaced external balloons are inflated, thus securing the anchoring catheter to both the guiding catheter and the interior of the blood vessel. The balloon dilatation catheter is then extended from the anchoring catheter to perform to conventional function with respect to the narrowed section of the blood vessel.

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