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Last Updated: September 21, 2021

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Claims for Patent: 8,763,222


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Summary for Patent: 8,763,222
Title:Methods and devices for crimping self-expanding devices
Abstract: Described here are devices and methods for crimping self-expanding devices. The crimping devices may be useful for crimping a variety of different self-expanding devices (whether such devices are biodegradable or bio-durable). The crimping devices may have crimping members to engage the self-expanding device to reduce the device from an expanding configuration to an unexpanded configuration. The crimping member may comprise or include a suture, wire, ribbon, guiding hoop, pusher, prong, holding bar, balloon, jaws, combinations thereof, or the like. The crimping devices may also include or comprise a holding structure to hold the self-expanding device in an unexpanded or expanded configuration.
Inventor(s): Abbate; Anthony J. (Santa Clara, CA), Huang; Bin (Pleasanton, CA), Zaler; Gail M. (Milpitas, CA), Gale; David C. (San Jose, CA), Kaufman; Richard E. (Los Gatos, CA), Rajasekhar; Vijaykumar (Apple Valley, CA)
Assignee: Intersect ENT, Inc. (Palo Alto, CA)
Application Number:12/512,855
Patent Claims: 1. A system comprising: a self-expanding device configured to be delivered to an anatomical location; a crimping device for crimping the self-expanding device having an unexpanded configuration and an expanded configuration; and an applicator or storage member, wherein the crimping device comprises a crimping member, wherein the crimping member engages the self-expanding device to reduce the self-expanding device to its unexpanded configuration, and wherein the crimping device engages the applicator or storage member to hold the self-expanding device in its unexpanded configuration.

2. The system of claim 1, wherein the self-expanding device is biodegradable.

3. The system of claim 1, wherein the self-expanding device is bio-durable.

4. The system of claim 1, wherein the crimping member comprises a suture, wire, ribbon, guiding hoop, pusher, balloon or a combination thereof.

5. The system of claim 1, wherein the crimping member further comprises one or more handles.

6. The system of claim 1, further comprising a holding structure configured to hold the self-expanding device in its expanded configuration.

7. The system of claim 6, wherein the holding structure defines an aperture.

8. The system of claim 6, wherein the holding structure comprises a hoop.

9. The system of claim 6, wherein the holding structure comprises a rod.

10. The system of claim 9, wherein the rod is tapered.

11. The system of claim 6, wherein the holding structure comprises indents, a sheath, a ring, a wire, a ribbon, a hoop, a pusher, or combination thereof.

12. The system of claim 11, wherein the holding structure comprises a sheath.

13. The system of claim 12, wherein the sheath is slidable.

14. The system of claim 6, wherein the holding structure comprises one or more passage units.

15. The system of claim 6 wherein the holding structure comprises a canister.

16. The system of claim 6, wherein the holding structure comprises one or more tracks.

17. The system of claim 16, wherein the holding structure comprises one or more pins slidably disposed in the one or more tracks.

18. The system of claim 6, wherein the holding structure comprises a funnel.

19. The system of claim 6, wherein the holding structure comprises at least two separate components.

20. A crimping device for crimping a self-expanding device having an unexpanded configuration and an expanded configuration, the crimping device comprising: a holding structure, the holding structure comprising a hoop configured to hold therein the self-expanding device in its expanded configuration, the hoop comprising slots; and a crimping member positioned in the holding structure, wherein ends of the crimping member extend through respective slots, wherein movement of the ends of the crimping member through the slots reduces the amount of crimping member in the holding structure and causes the crimping device to reduce the self-expanding device to its unexpanded configuration.

21. The crimping device of claim 20, wherein the self-expanding device is biodegradable.

22. The crimping device of claim 20, wherein the holding structure comprises at least two separate components that together form the holding structure.

23. The crimping device of claim 20, wherein the holding structure comprises tracks.

24. The crimping device of claim 23, wherein the crimping member comprises a ribbon.

25. The crimping device of claim 20, wherein the holding structure defines an aperture through which the self-expanding device may be retrieved when the self-expanding device is in its unexpanded configuration.

26. The crimping device of claim 20, further comprising a crimping control.

27. The crimping device of claim 26, wherein the holding structure comprises passage units.

28. The crimping device of claim 26, wherein the crimping control engages the crimping member.

29. A crimping device for crimping a self-expanding device having an unexpanded configuration and an expanded configuration, the crimping device comprising: a crimping portion, the crimping portion having a first end, a second end, an interior surface and a plurality of slits running between the first and second ends, wherein the cross-sectional area of the crimping portion decreases from the second end to the first end, and wherein the interior surface of the crimping portion is configured to house the self-expanding device in its expanded configuration; and a pusher, wherein the pusher includes a plurality of prongs that engage one or more of the plurality of slits and wherein movement of the pusher from the second end of the crimping portion to the first end of the frame compresses the self-expanding device into its unexpanded configuration.

30. The crimping device of claim 29, wherein the self-expanding device is biodegradable.

31. The crimping device of claim 29, wherein the self-expanding device is bio-durable.

32. The crimping device of claim 29, wherein the crimping portion defines an aperture through which the self-expanding device may be retrieved.

33. The crimping device of claim 29, wherein the crimping device includes a storage zone which is configured to releasably hold the self-expanding device.

34. The crimping device of claim 29, wherein the crimping device is configured for attachment to an applicator for delivery of the self-expanding device.

35. A crimping device for holding a crimped self-expanding device having an unexpanded configuration and an expanded configuration, the crimping device comprising: a crimping portion, the crimping portion configured to reduce the self-expanding device to its unexpanded configuration; a storage zone, the storage zone configured to house the self-expanding device in its unexpanded configuration; and an applicator engagement portion, the applicator engagement portion configured to engage a distal end of an applicator.

36. The crimping device of claim 35, wherein the self-expanding device is biodegradable.

37. The crimping device of claim 35, wherein the self-expanding device is bio-durable.

38. The crimping device of claim 35, wherein the crimping device comprises one or more blades.

39. The crimping device of claim 35, wherein the crimping device comprises a funnel.

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