A device for disrupting flow through a fistula may include a woven textile having a compressed state and an expanded state. The woven textile may include, in the expanded state, a neck, a first bulb coupled to a proximal side of the neck, and a second bulb coupled to a distal side of the neck. The n
A device for disrupting flow through a fistula may include a woven textile having a compressed state and an expanded state. The woven textile may include, in the expanded state, a neck, a first bulb coupled to a proximal side of the neck, and a second bulb coupled to a distal side of the neck. The neck has a first braid angle. The first bulb may have a second braid angle greater than the first braid angle. The second bulb may have a third braid angle greater than the first braid angle.
대표청구항▼
1. A device for disrupting flow through a fistula, the device comprising: a woven textile having a compressed state and an expanded state, the woven textile comprising, in the expanded state: a first bulb having a first braid angle and a first diameter,a second bulb having a second diameter larger t
1. A device for disrupting flow through a fistula, the device comprising: a woven textile having a compressed state and an expanded state, the woven textile comprising, in the expanded state: a first bulb having a first braid angle and a first diameter,a second bulb having a second diameter larger than the first diameter,a first neck between the first bulb and the second bulb,a third bulb having a third diameter,a second neck between the second bulb and the third bulb,a fourth bulb having a second braid angle and a fourth diameter smaller than the third diameter, the second neck having a third braid angle less than the first braid angle and the second braid angle, anda third neck between the third bulb and the fourth bulb,the second neck configured to extend through a fistula, the first bulb and the second bulb configured to be on a first side of the fistula, the third bulb and the fourth bulb configured to be on a second side of the fistula. 2. The device of claim 1, where the second bulb has a fourth braid angle and the third bulb has a fifth braid angle, the third braid angle less than the fourth braid angle and the fifth braid angle. 3. The device of claim 1, wherein each of the second bulb and the third bulb comprises an oblate spheroid having a diameter of a polar axis that is shorter than a diameter of an equatorial axis. 4. The device of claim 3, wherein the second bulb and the third bulb are connected along the polar axes of the second bulb and the third bulb. 5. The device of claim 4, wherein each of the first bulb and the fourth bulb comprises an oblate spheroid having a diameter of a polar axis that is shorter than a diameter of an equatorial axis, wherein the first bulb and the second bulb are connected along the polar axes of the first bulb and the second bulb, and wherein the third bulb and the fourth bulb are connected along the polar axes of the third bulb and the fourth bulb. 6. The device of claim 1, wherein at least one of the first bulb, the second bulb, the third bulb, and the fourth bulb is longitudinally offset from another of the first bulb, the second bulb, the third bulb, and the fourth bulb. 7. A device for disrupting flow through a fistula, the device comprising: a woven textile having a longitudinal axis, a compressed state, and an expanded state, the woven textile comprising, in the expanded state: a first bulb,a first neck proximal to the first bulb,a second bulb, wherein each of the first bulb and the second bulb comprises an oblate spheroid having a diameter of a polar axis that is shorter than a diameter of an equatorial axis,a second neck distal to the second bulb, each of the first neck and the second neck radially offset from the longitudinal axis, anda third neck between the first bulb and the second bulb, the third neck configured to extend through a fistula. 8. The device of claim 7, wherein each of the first neck and the second neck is differently radially offset from the longitudinal axis. 9. The device of claim 7, wherein the first bulb has a first braid angle, the second bulb has a second braid angle, and the third neck has a third braid angle less than the first braid angle and the second braid angle. 10. The device of claim 7, wherein the woven textile structure further comprises, in the expanded state: a third bulb between the first bulb and the third neck, anda fourth bulb between the second bulb and the third neck, andwherein the first bulb has a first diameter, the third bulb has a second diameter larger than the first diameter, the second bulb has a third diameter, and the fourth bulb has a fourth diameter larger than the third diameter. 11. The device of claim 10, wherein each of the third bulb and the fourth bulb comprises an oblate spheroid having a diameter of a polar axis that is shorter than a diameter of an equatorial axis. 12. The device of claim 7, wherein the third neck has a diameter between 2 mm and 16 mm and a length between 2 mm and 26 mm. 13. A device for disrupting flow through a fistula, the device comprising: a woven textile having a longitudinal axis, a compressed state, and an expanded state, the woven textile comprising, in the expanded state: a first neck;a first plurality of bulbs coupled to a proximal side of the first neck;a second neck proximal to the first plurality of bulbs;a second plurality of bulbs coupled to a distal side of the first neck; anda third neck distal to the second plurality of bulbs, each of the second neck and the third neck radially offset from the longitudinal axis,wherein the first plurality of bulbs comprises: a proximal-most bulb having a first diameter, anda third bulb having a second diameter less than the first diameter, andwherein the second plurality of bulbs comprises: a distal-most bulb having a third diameter, and a fourth bulb having a fourth diameter less than the third diameter. 14. The device of claim 13, wherein each of the first plurality of bulbs comprises an oblate spheroid having a diameter of a polar axis that is shorter than a diameter of an equatorial axis, and wherein each of the second plurality of bulbs comprises an oblate spheroid having a diameter of a polar axis that is shorter than a diameter of an equatorial axis. 15. The device of claim 14, wherein the first plurality of bulbs are connected along the polar axes and wherein the second plurality of bulbs are connected along the polar axes. 16. The device of claim 15, wherein the first plurality of bulbs are connected to the second plurality of bulbs along the polar axes of a distal-most bulb of the first plurality of bulbs and a proximal-most bulb of the second plurality of bulbs. 17. The device of claim 13, wherein the first neck has a diameter between 2 mm and 16 mm and a length between 2 mm and 26 mm. 18. The device of claim 13, wherein the first neck has a first braid angle, wherein at least a first bulb of the first plurality of bulbs has a second braid angle greater than the first braid angle, and wherein at least a second bulb of the second plurality of bulbs has a third braid angle greater than the first braid angle. 19. The device of claim 18, wherein the third bulb has a fourth braid angle and the fourth bulb has a fifth braid angle, and wherein the first braid angle is less than the fourth braid angle and the fifth braid angle.
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