Claims
- 1. A method for forming a prosthesis comprising:
forming a first tube; forming a second tube; twisting said second tube into a helical configuration; maintaining said second tube in said helical configuration; coaxially disposing said second tube relative to said first tube; and, fixing said second tube to said first tube.
- 2. A method as in claim 1, wherein said first tube includes ePTFE.
- 3. A method as in claim 2, wherein said second tube includes ePTFE.
- 4. A method as in claim 1, wherein said fixing includes sintering.
- 5. A method as in claim 1, wherein said fixing includes bonding.
- 6. A method as in claim 1, further comprising twisting said first tube in a helical configuration in a rotational direction different from said helical configuration of said second tube.
- 7. A method as in claim 1, further comprising coaxially disposing a radially-expandable support member relative to said first tube or said second tube.
- 8. A method as in claim 1, further comprising coaxially disposing a radially-expandable support member relative to said fixed first and second tubes.
Parent Case Info
[0001] This application is a division of U.S. application Ser. No. 09/990,422, filed Nov. 21, 2001, now allowed, which is incorporated herein by reference.
Divisions (1)
|
Number |
Date |
Country |
Parent |
09990422 |
Nov 2001 |
US |
Child |
10775442 |
Feb 2004 |
US |