Claims
- 1. An improved occlusion device, the occlusion device comprising:
a center post; first and second fixation devices connected to the center post, the first and second fixation devices comprising at least five arms; first and second sheets attached to the first and second fixation devices respectively.
- 2. The occlusion device of claim 1 wherein a length of the arms of the first fixation device is not equal to a length of the arms of the second fixation device.
- 3. The occlusion device of claim 2 wherein the arms of the first fixation device do not have equal lengths.
- 4. The occlusion device of claim 3 wherein the arms of the second fixation device do not have equal lengths.
- 5. The occlusion device of claim 1 wherein an overall diameter of the arms is about 0.003 inches to about 0.050 inches.
- 6. The occlusion device of claim 1 wherein the first fixation device is offset at an angle of about 30 degrees from the second fixation device.
- 7. The occlusion device of claim 1 wherein each arm is spaced at an equal angle from the adjacent arm.
- 8. The occlusion device of claim 1 wherein the number of sides of the first and second sheets is equal to the number of arms of the fixation devices.
- 9. The occlusion device of claim 1 wherein the first and second fixation devices comprises six arms.
- 10. The occlusion device of claim 9 wherein the six arms are formed by three wires extending through holes in the center post.
- 11. An occlusion device with improved seating ability, the occlusion device comprising:
a center post; first and second fixation devices emanating from the center post, wherein the first and second fixation devices comprise at least six arms; first and second sails attached to the first and second fixation devices, respectively.
- 12. The occlusion device of claim 11 wherein each arm of the first and second fixation device is spaced 30 degrees from an adjacent arm.
- 13. The occlusion device of claim 11 wherein a length of the arms of the first fixation device is not equal to a length of the arms of the second fixation device.
- 14. The occlusion device of the claim 11 wherein the arms do not have equal lengths.
- 15. The occlusion device of claim 11 wherein the first fixation device is offset from the second fixation device at an angle of about 30 degrees.
- 16. The occlusion device of claim 11 wherein the diameter of the arms is about 0.003 inches to about 0.050 inches.
- 17. The occlusion device of claim 11 and further comprising holes in the center post through which the first and second fixation devices extend.
- 18. The occlusion device of claim 11 wherein the first and second fixation device comprise eight arms.
- 19. The occlusion device of claim 11 wherein the first and second fixation devices comprise ten arms.
- 20. The occlusion device of the claim 11 wherein the number of sides of the first and second sails is equal to the number of arms of the fixation devices.
- 21. An occlusion device for occluding a septal defect, the occlusion device comprising:
a first fixation device configured to be placed on a first side of a septal defect, the first fixation device comprising at least five arms; and a second fixation device configured to be positioned on a second side of a defect, the second fixation device comprising at least five arms.
- 22. The occlusion device of claim 21 wherein a length of the arms of the first fixation device is not equal to a length of the arms of the second fixation device.
- 23. The occlusion device of claim 22 wherein the arms of the first fixation device do not have equal lengths.
- 24. The occlusion device of claim 23 wherein the arms of the second fixation device do not have equal lengths.
- 25. The occlusion device of claim 21 wherein a diameter of the arms is about 0.003 inches to about 0.050 inches.
- 26. The occlusion device of claim 21 wherein the first fixation device is offset at an angle of about 30 degrees from the second fixation device.
- 27. The occlusion device of claim 21 wherein each arm is spaced at an equal angle from the adjacent arm.
- 28. The occlusion device of the claim 21 and further comprising first and second sails attached to the first and second fixation devices.
- 29. The occlusion device of claim 21 wherein the first and second fixation devices comprise six arms.
- 30. The occlusion device of claim 21 and further comprising a center post to which the first and second fixation devices are attached.
- 31. The occlusion device of claim 21 wherein the arms of the first and second fixation device are formed to have a stiffness that ensures proper occlusion of the defect and provides the desired tension, yet does not decrease fatigue life of the fixation devices.
- 32. An occlusion device for occluding a septal defect, the occlusion device comprising:
a first fixation device configured to be placed on a first side of a septal defect, the first fixation device comprising a plurality of arms which do not have equal lengths; and a second fixation device configured to be positioned on a second side of a defect, the second fixation device comprising a plurality of arms which do not have equal lengths.
- 33. The occlusion device of claim 32 wherein the length of the arms of the first fixation device is not equal to the length of the arms of the second fixation device.
- 34. The occlusion device of claim 32 wherein the plurality of arms comprises five arms.
- 35. The occlusion device of claim 32 wherein the plurality of arms comprises six arms.
CROSS-REFERENCE TO RELATED APPLICATION(S)
[0001] The present application is related to U.S. patent application entitled Articulated Center Post, Ser. No. ______, U.S. patent application entitled Hoop Design for Occlusion Device, Ser. No. ______, Septal Stabilization Device, Ser. No. ______, and U.S. patent application entitled Laminated Sheets for Use in a Fully Retrievable Occlusion Device, Ser. No. ______ filed on even date herewith.