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US 12,758,751 B2Granted
Balloon catheter and methods of use to reduce residual stenosis
AssigneeCagent Vascular, Inc.
InventorRobert M. Giasolli
Life of this patent
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Abstract
Systems and methods can involve wedge dissectors attached to strips in turn attached to medical balloons, for forming serrations within vascular wall tissue for angioplasty as well reducing vessel recoil, reducing residual stenosis, and increasing volumetric blood flow post angioplasty. The design, methods of use, intended outcomes, and process to build this type of balloon is described herein.
Claims20
An intravascular device comprising:
- a catheter comprising a balloon and a plurality of strips disposed on an outer surface of the balloon, each strip of the plurality of strips including a plurality of wedge dissectors spaced apart along a surface of each strip, wherein each of the plurality of wedge dissectors comprises a blunt top surface;
- and
- a plurality of pumps connected to the balloon and acting on a liquid medium used to fill the balloon, wherein a pump of the plurality of pumps is configured to produce hydraulic waves for calcium fracturing,
- wherein the plurality of wedge dissectors is configured to cause cleavage planes allowing plaque to separate only along longitudinal lines, wherein a longitudinal crack is configured to propagate faster with the production of the hydraulic waves, and wherein the combined plurality of wedge dissectors and the hydraulic waves break the plaque into smaller particles allowing more effective vessel expansion.
1 more element
Dependencies are inferred from the claim text.