Methods of forming a heart valve stent
First Claim
Patent Images
1. A method of forming a heart valve stent, comprising:
- providing a cylinder of material, said cylinder having an outside diameter and an inside diameter, said inside diameter having a first dimension;
forming a plurality of stent posts on an end of said cylinder; and
increasing the inside diameter of said cylinder of material to a second dimension, said second dimension being greater than said first dimension.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention is directed to various methods of forming a heart valve stent. In one embodiment, the method comprises providing a cylinder of material, the cylinder having an outside diameter and an inside diameter, the inside diameter having a first dimension, forming a plurality of stent posts on an end of the cylinder, and increasing the inside diameter of the cylinder of material to a second dimension, the second dimension being greater than the first dimension.
-
Citations
33 Claims
-
1. A method of forming a heart valve stent, comprising:
-
providing a cylinder of material, said cylinder having an outside diameter and an inside diameter, said inside diameter having a first dimension;
forming a plurality of stent posts on an end of said cylinder; and
increasing the inside diameter of said cylinder of material to a second dimension, said second dimension being greater than said first dimension. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A method of forming a heart valve stent, comprising:
-
providing a cylinder having an outside diameter and an inside diameter, said inside diameter having a first dimension;
performing a first operation to increase the inside diameter of said cylinder to an intermediate dimension, said intermediate dimension being greater than said first dimension;
forming a plurality of stent posts on an end of said cylinder; and
performing a second operation to increase the inside diameter of said cylinder from said intermediate dimension to a second dimension, said second dimension being greater than said intermediate dimension. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
-
-
25. A method of forming a heart valve stent having a final inside diameter, comprising:
-
providing a cylinder of material, said cylinder of material having an initial inside diameter;
forming a plurality of stent posts on an end of said cylinder of material;
performing an electrical discharge machining operation to increase said inside diameter of said cylinder to an intermediate inside diameter, said intermediate inside diameter being greater than said initial inside diameter; and
performing at least one of a honing operation, a grinding operation and a lapping operation on said cylinder of material to increase said intermediate inside diameter to said final inside diameter of said stent, said final inside diameter being greater than said intermediate inside diameter. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32)
-
-
33. A method of forming a heart valve stent, comprising:
-
providing a cylinder of material, said cylinder having an outside diameter and an inside diameter, said inside diameter having a first dimension that is approximately 0.25-0.4 inches less than said outside diameter;
forming a plurality of stent posts on an end of said cylinder;
performing a first operation to increase the inside diameter of said cylinder to an intermediate dimension, said intermediate dimension being approximately 0.02-0.060 inches less than said outside diameter; and
performing a second operation to increase the inside diameter of said cylinder from said intermediate dimension to a second dimension, said second dimension being approximately 0.001-0.010 inches greater than said intermediate dimension.
-
Specification