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US 7,682,553 B2Granted
Balloon structure with PTFE component
AssigneeBoston Scientific Scimed, Inc.
InventorsLixiao Wang, John Jianhua Chen
Life of this patent
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Abstract
A medical balloon having a high burst strength and the ability to return to its preinflation diameter following repeated inflation may be prepared from a first inner layer of material, a second intermediate layer of expanded PTFE and a third outer layer of material.
Claims5
A method of forming a balloon comprising at least three layers comprising the steps of:
- i) providing first, second and third tubes, the second tube formed of a tube made of a material selected from the group consisting of fluoropolymers and high density polyethylene;
- ii) inserting the first tube into the second tube;
- iii) inserting the second tube into the third tube;
- iv) inserting the first, second and third tubes into a balloon mold;
- v) expanding the first, second and third tubes at a desired temperature so as to form a balloon.
2 more elements
A method of forming a balloon comprising at least three layers comprising the steps of:
- i) providing first, second and third tubes, the second tube formed of expanded PTFL;
- ii) inserting the first tube into the second tube;
- iii) inserting the second tube into the third tube;
- iv) laminating the first tube and the second tube together;
- v) laminating the second tube and third tube together so as to form at least a three tube laminate.
2 more elements
Dependencies are inferred from the claim text.