Claims
- 1. An elongated intracorporeal device having an elongate shaft and having a polymer jacket which is disposed about and secured to at least a portion of the shaft and which has an outer layer of high strength polymer and an inner layer of an adhesive polymer bonding the high strength polymer to the elongate shaft.
- 2. The elongated intracorporeal device of claim 1 wherein the inner layer is an adhesive polymer selected from the group consisting of ethylene acrylic acid copolymer, functionally modified polyolefins and an ethylene methacrylic acid copolymer.
- 3. The elongated intracorporeal device of claim 1 wherein the high strength polymer of the outer layer is selected from the group consisting of polyurethane, nylon 12 and a polyether block amide and high density polyethylene.
- 4. The elongated intracorporeal device of claim 1 wherein the high strength polymer of the outer layer has a melting temperature greater than the melting temperature of the adhesive polymer of the inner layer.
- 5. The elongated intracorporeal device of claim 1 wherein the outer layer and inner layer are a coextrusion.
- 6. The elongated intracorporeal device of claim 5 wherein the polymer jacket is necked over the shaft.
- 7. A guidewire comprising:
a) an elongate core having a proximal section and a distal section; b) a flexible body member disposed about and secured to the distal section of the elongate core, comprising an outer polymer layer and an inner layer of adhesive polymer disposed between and bonding together the elongate core and the outer polymer layer.
- 8. The guidewire of claim 7 wherein the adhesive polymer layer comprises an adhesive polymer selected from the group consisting of ethylene acrylic acid copolymer, functionally modified polyolefins and an ethylene methacrylic acid copolymer.
- 9. The guidewire of claim 8 wherein the outer polymer layer comprises a polymer selected from the group consisting of polyurethane, nylon 12, a polyether block amide and high density polyethylene.
- 10. The guidewire of claim 7 wherein the polymeric outer layer has a melting temperature higher than the melting temperature of the adhesive polymer layer.
- 11. The guidewire of claim 7 wherein the outer layer and inner layer are a coextrusion.
- 12. The guidewire of claim 11 wherein the flexible body formed of the outer layer and the inner layer is necked over the elongate core member.
- 13. An elongate intracorporeal member which has a high strength shaft and which has a polymer jacket disposed about at least a portion of the high strength shaft having a polymeric outer layer and an adhesive polymer layer disposed between and bonding the high strength shaft and the polymeric outer layer.
- 14. The elongate intracorporeal member of claim 13 wherein the adhesive polymer layer comprises a polymer selected from the group consisting of ethylene acrylic acid copolymer and functionally modified polyolefins.
- 15. A balloon catheter comprising:
a) an elongated shaft with a distal shaft section and a proximal shaft section with the proximal shaft section having a high strength tubular member; b) a polymeric jacket disposed about at least a portion of the high strength tubular member which has an outer layer of high strength polymer and an inner layer of polymeric adhesive bonding the outer layer to the high strength tubular member; and c) a balloon on the distal shaft section having an interior in fluid communication with the inner lumen of the high strength tubular member.
- 16. The balloon catheter of claim 15 wherein the inner layer is an adhesive polymer selected from the group consisting of ethylene acrylic acid copolymer, functionally modified polyolefins and an ethylene methacrylic acid copolymer.
- 17. The balloon catheter of claim 15 wherein the high strength polymer of the outer layer is selected from the group consisting of polyurethane, nylon 12, a polyether block amide and high density polyethylene.
- 18. The balloon catheter of claim 15 wherein the high strength polymer of the outer layer has a melting temperature greater than the melting temperature of the adhesive polymer of the inner layer.
- 19. The balloon catheter of claim 15 wherein the outer layer and inner layer are a coextrusion.
- 20. The balloon catheter of claim 19 wherein the polymer jacket is necked over the shaft.
- 21. A method for securing a polymer jacket to an elongate high strength intracorporeal member comprising:
a) providing a high strength shaft; b) providing a coextruded polymer jacket comprising an polymeric outer layer and an adhesive polymer inner layer about at least a portion of the high strength shaft; and c) necking the polymer jacket at a temperature above the melting temperature of the adhesive polymer inner layer and below the melting temperature of the polymeric outer layer.
RELATED APPLICATIONS
[0001] This application is a continuation-in-part of U.S. application Ser. No. 09/345,664, filed Jun. 30, 1999, which is hereby incorporated by reference in its entirety.
Continuations (1)
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Number |
Date |
Country |
Parent |
09739180 |
Dec 2000 |
US |
Child |
10264855 |
Oct 2002 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09345664 |
Jun 1999 |
US |
Child |
10264855 |
Oct 2002 |
US |