Patent ID: 11883061
Assignee: BOSTON SCIENTIFIC SCIMED, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A medical balloon catheter comprising:
a catheter shaft;
an inflatable balloon secured to a distal portion of the catheter shaft; and
a cutting member secured to the balloon, the cutting member having a first end and a second end and including:
a first portion that includes the first end, a first cutting edge, and a first base portion;
a second portion that includes the second end, a second cutting edge, and a second base portion; and
a region of enhanced flexibility connecting the first portion and the second portion and configured to allow the first portion to flex relative to the second portion without fracturing the first portion from the second portion, wherein the region of enhanced flexibility includes a vertical slot extending from the cutting edges towards the base portions;
wherein the vertical slot includes a first open end between the first and second cutting edges and a second closed end proximate the first and second base portions wherein the second closed end includes an enlarged region having a width larger than a width of a remainder of the vertical slot.