Double-tapered balloon
First Claim
1. A balloon dilatation catheter, comprising:
- a catheter shaft having a distal end and a proximal end;
an inflatable balloon secured to said distal end of said catheter shaft;
said balloon including a cylindrical section having a first end;
a first tapered section gradually tapering from a first end adjacent said first end of said cylindrical section to a second end;
a second tapered section adjacent said first tapered section, wherein said second tapered section tapers from a primary end adjacent said second end to a secondary end; and
wherein said first tapered section has a first taper angle with respect to the catheter shaft and said second tapered section has a second taper angle with respect to the catheter shaft, and said first taper angle is smaller than said second taper angle; and
wherein the length of said first tapered section is at least 33% of the length of said cylindrical section.
3 Assignments
0 Petitions
Accused Products
Abstract
A balloon dilatation catheter including a catheter shaft having a proximal end and a distal end with an inflatable balloon secured thereto. The balloon has a cylindrical section having a first end, a first tapered section of the balloon gradually tapering from a first end adjacent the first end of the cylindrical section to a second end, and a second tapered section adjacent the first tapered section. The second tapered section tapers from a primary end adjacent the second end of the first tapered section to a secondary end. The first tapered section has a first taper angle with respect to the catheter shaft and the second tapered section has a second taper angle with respect to the catheter shaft, the first taper angle being smaller than the second taper angle.
120 Citations
8 Claims
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1. A balloon dilatation catheter, comprising:
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a catheter shaft having a distal end and a proximal end; an inflatable balloon secured to said distal end of said catheter shaft; said balloon including a cylindrical section having a first end; a first tapered section gradually tapering from a first end adjacent said first end of said cylindrical section to a second end; a second tapered section adjacent said first tapered section, wherein said second tapered section tapers from a primary end adjacent said second end to a secondary end; and wherein said first tapered section has a first taper angle with respect to the catheter shaft and said second tapered section has a second taper angle with respect to the catheter shaft, and said first taper angle is smaller than said second taper angle; and wherein the length of said first tapered section is at least 33% of the length of said cylindrical section. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification