Balloon catheter with molded stepped balloon
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Abstract
A balloon catheter suitable for deploying a stent utilizes a balloon molded with a stepped diameter profile.
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Citations
63 Claims
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1-10. -10. (canceled)
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11. A balloon catheter for use in vascular anatomy, the balloon catheter comprising:
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a catheter body, the catheter body being movably disposed about a guidewire; and
a balloon positioned at a distal portion of the catheter body, the balloon including a balloon outer skin, the balloon having a first section with a first average diameter, and second section with a second average diameter that is smaller than the first average diameter, the first and second sections being coupled by a transition section that has a geometry and diameter transitioning between the first section and the second section. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. An angioplasty balloon catheter for use in vascular anatomy, comprising:
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an angioplasty catheter body, the catheter body being movably disposed about a guidewire; and
a tubular balloon coupled to a distal end of the angioplasty catheter body and including, a shaped balloon skin, the balloon having a shaped outer geometry and size to reduce vessel damage when positioned at a point of a vessel. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A stent delivery device, comprising:
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a catheter body, the catheter body being movably disposed about a guidewire;
a balloon positioned at a distal portion of the catheter body, the balloon including a balloon outer skin, the balloon having a first section with a first average diameter, and second section with a second average diameter that is smaller than the first average diameter, the first and second sections being coupled by a transition section that has a geometry and diameter transitioning between the first section and the second section; and
a vascular stent positioned on an exterior of the balloon exterior. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62)
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63. A method of treating vascular anatomy, comprising:
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providing a catheter that includes a balloon with a transition section that couples a first section with a second section, the transition section having a geometry and diameter transitioning from a greater diameter of the first section to a lesser diameter the second section;
mounting a stent in a non-expanded state on an exterior of the balloon;
positioning the catheter with the stent in a non-expanded state at a region of the vascular anatomy;
inflating the balloon and deploying the stent in an expanded state at the region of vascular anatomy; and
removing the catheter from the vascular anatomy.
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Specification