Sheath materials and processes
View Patent ↗Sheath materials and processes are disclosed. For example, hypotube sheaths and processes of making hypotube sheaths are disclosed. Devices and systems, including medical devices and systems, such as catheters, containing hypotube sheaths are also disclosed.
1. A device, comprising:
a hypotube having a surface; and
a material bonded to the surface of the hypotube, wherein:
the material comprises a polymer selected from the group consisting of polyamides and copolymers of polyamides;
the material has a post buckle fracture tensile strength of at least about 7000 psi; and
the device is a medical device.
2. The device of claim 1 , wherein the device is a balloon catheter.
3. The device of claim 1 , wherein the post buckle fracture tensile strength of the material is at least about 7500 psi.
4. The device of claim 1 , wherein the material has a tensile strength of at least about 21,000 psi.
5. The device of claim 1 , wherein the material has a hoop stress of at least about 3300 psi.
6. The device of claim 1 , wherein the material has a tensile strength of at least about 22,500 psi.
7. The device of claim 1 , wherein the material has a tensile strength of at least about 25,000 psi.
8. The device of claim 1 , wherein the material has a hoop stress of at least about 3500 psi.
9. The device of claim 1 , wherein the material has a hoop stress of at least about 3750 psi.
10. The device of claim 1 , wherein the material has a load at break ratio of at least about 1.25.
11. The device of claim 1 , wherein the material has a load at break ratio of at least about 1.5.
12. The device of claim 1 , wherein the material has a load at break ratio of at least about 1.75.
13. The device of claim 1 , wherein the material has a hoop stress ratio of at least about 1.25.
14. The device of claim 1 , wherein the material has a hoop stress ratio of at least about 1.5.
15. The device of claim 1 , wherein the material has a hoop stress ratio of at least about two.
16. A device, comprising:
a hypotube having a surface; and
a hypotube sheath material bonded to the surface of the hypotube, wherein;
the hypotube sheath material comprises a polymer selected from the group consisting of polyamides and copolymers of polyamides;
the hypotube sheath material has a post buckle fracture tensile strength of at least about 7000 psi; and
the device is a medical device.
17. The device of claim 16 , wherein the device is a balloon catheter.
18. The device of claim 16 , wherein the post buckle fracture tensile strength of the material is at least about 7500 psi.
19. The device of claim 16 , wherein the material has a tensile strength of at least about 21,000 psi.
20. The device of claim 16 , wherein the material has a hoop stress of at least about 3300 psi.
21. The device of claim 16 , wherein the material has a tensile strength of at least about 22,500 psi.
22. The device of claim 16 , wherein the material has a tensile strength of at least about 25,000 psi.
23. The device of claim 16 , wherein the material has a hoop stress of at least about 3500 psi.
24. The device of claim 16 , wherein the material has a hoop stress of at least about 3750 psi.
25. The device of claim 16 , wherein the material has a load at break ratio of at least about 1.25.
26. The device of claim 16 , wherein the material has a load at break ratio of at least about 1.5.
27. The device of claim 16 , wherein the material has a load at break ratio of at least about 1.75.
28. The device of claim 16 , wherein the material has a hoop stress ratio of at least about 1.25.
29. The device of claim 16 , wherein the material has a hoop stress ratio of at least about 1.5.
30. The device of claim 16 , wherein the material has a hoop stress ratio of at least about two.