Filamentary devices for treatment of vascular defects
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61M-029/00
A61B-017/12
A61B-017/00
출원번호
US-0871352
(2015-09-30)
등록번호
US-9295473
(2016-03-29)
발명자
/ 주소
Hewitt, Todd J
Merritt, Brian E
Patterson, William R
출원인 / 주소
SEQUENT MEDICAL, INC.
대리인 / 주소
O'Melveny & Myers LLP
인용정보
피인용 횟수 :
9인용 특허 :
167
초록▼
Devices for treatment of a cerebral aneurysm are described. Embodiments may include a self-expanding permeable shell having a radially constrained elongated state configured for delivery within a catheter lumen, an expanded state with a globular and longitudinally shortened configuration relative to
Devices for treatment of a cerebral aneurysm are described. Embodiments may include a self-expanding permeable shell having a radially constrained elongated state configured for delivery within a catheter lumen, an expanded state with a globular and longitudinally shortened configuration relative to the radially constrained state, and a plurality of elongate filaments that are woven together, which define a cavity of the permeable shell. The permeable shell includes composite filaments. The composite filaments include drawn filled tube wires having an external nitinol tube and a highly radiopaque material concentrically disposed within the external tube. The composite filaments may have a diameter of 0.00075″, 0.001″, 0.0015″, and/or 0.00125″.
대표청구항▼
1. A device for treatment of a patient's cerebral aneurysm, comprising: a resilient self-expanding permeable shell having a distal end and a proximal end and including a radially constrained elongated state configured for delivery within a catheter lumen, an expanded state with a globular and longit
1. A device for treatment of a patient's cerebral aneurysm, comprising: a resilient self-expanding permeable shell having a distal end and a proximal end and including a radially constrained elongated state configured for delivery within a catheter lumen, an expanded state with a globular and longitudinally shortened configuration relative to the radially constrained state, and a plurality of elongate filaments which are woven together and define a cavity of the permeable shell, the permeable shell comprising at least some composite filaments, the composite filaments comprising drawn filled tube wires comprising an external nitinol tube and a highly radiopaque material concentrically disposed within the external nitinol tube, wherein the permeable shell has at least about 40% composite filaments relative to a total number of filaments, and wherein a total number of filaments is about 70 to about 300, and wherein each of the composite filaments has a diameter selected from the group consisting of 0.00075″, 0.001″, 0.0015″, and 0.00125″. 2. The device of claim 1, wherein the plurality of elongate filaments are secured relative to each other at the distal end of the permeable shell. 3. The device of claim 1, wherein the plurality of elongate filaments are secured relative to each other at the proximal end of the permeable shell. 4. The device of claim 1, wherein the drawn filled tube wires have a fill ratio of cross sectional area of between about 10% and about 50%. 5. The device of claim 1, wherein the drawn filled tube wires have a fill ratio of cross sectional area of between about 20% and about 40%. 6. The device of claim 1, wherein the drawn filled tube wires have a fill ratio of cross sectional area of between about 25% and about 35%. 7. The device of claim 1, wherein the highly radiopaque material of the at least some composite filaments comprises tantalum. 8. The device of claim 1, wherein the highly radiopaque material of the at least some composite filaments comprises platinum. 9. The device of claim 1, wherein the highly radiopaque material of the at least some composite filaments comprises gold. 10. The device of claim 1, wherein the plurality of elongate filaments have a total cross sectional area, and wherein a total cross sectional area of the highly radiopaque material is between about 11% and about 30% of the total cross sectional area of the plurality of elongate filaments. 11. The device of claim 10, wherein the total cross sectional area of the highly radiopaque material is between about 0.15% and about 30% of the total cross sectional area of the plurality of elongate filaments. 12. The device of claim 11, wherein the total cross sectional area of the highly radiopaque material is between about 15% and about 22% of the total cross sectional area of the plurality of elongate filaments. 13. The device of claim 11, wherein the total cross sectional area of the highly radiopaque material is between about 19% and about 30% of the total cross sectional area of the plurality of elongate filaments. 14. The device of claim 10, wherein the total cross sectional area of the highly radiopaque material is between about 11% and about 18.5% of the total cross sectional area of the plurality of elongate filaments. 15. The device of claim 1, wherein each of the elongate filaments of the plurality of elongate filaments comprises a first end and a second end, and wherein the first ends and second ends of the elongate filaments are secured relative to each other at the proximal end of the permeable shell. 16. The device of claim 15, wherein each of the elongate filaments of the plurality of elongate filaments comprises a center portion between its first end and second end, the center portion forming a curved apex at the distal end of the permeable shell. 17. The device of claim 16, wherein the distal end of the permeable shell comprises a closed distal apex. 18. The device of claim 1, wherein the permeable shell has composite filaments having diameters of 0.0015″ and 0.001″. 19. The device of claim 1, wherein the woven elongate filaments form a first average braid material density BDavg1 at a distal portion of the permeable shell and a second average braid material density BDavg2 at a proximal portion of the permeable shell, the second average braid material density BDavg2 greater than the first average braid material density BDavg1. 20. The device of claim 1, wherein the woven elongate filaments comprise a first subset of filaments each having a first transverse dimension and a second subset of filaments each having a second transverse dimension, the second transverse dimension greater than the first transverse dimension.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (167)
Avellanet,Ernesto; Lulo,Robert, Aneurysm embolic device with an occlusive member.
Marchand, Philippe; Nolting, John; Kent, Darrin J; Dinh, Tan Q; Tran, Hung P; Milburn, James A; Thompson, James M, Braiding mechanism and methods of use.
Cragg, Andrew H.; Walker, Blair D.; Perl, II, John; Jones, Michael; Greene, George Robert; Wallace, George; Greff, Richard J., Device and method for controlling injection of liquid embolic composition.
van der Burg,Erik J.; De Cicco,Dino; Frazier,Andrew G. C.; Khairkhahan,Alexander K.; Kreidler,Marc S.; Lesh,Michael D.; Roue,Chad C., Device for containing embolic material in the LAA having a plurality of tissue retention structures.
Guglielmi Guido (Los Angeles CA) Sepetka Ivan (Redwood City CA), Endovascular electrolytically detachable guidewire tip for the electroformation of thrombus in arteries, veins, aneurysm.
Mehran Bashiri ; Michael P. Wallace ; Pete Phong Pham ; Cong Thach ; Chad C. Roue ; Joseph C. Eder ; Erik T. Engelson, Fast detaching electrically isolated implant.
VanTassel, Robert A.; Hauser, Robert G.; Schwartz, Robert; Holmes, David; Sutton, Gregg S.; Borillo, Thomas E.; Welch, Jeffrey, Filter apparatus for ostium of left atrial appendage.
VanTassel, Robert A.; Hauser, Robert G.; Schwartz, Robert; Holmes, David; Sutton, Gregg S.; Borillo, Thomas E.; Welch, Jeffrey, Filter apparatus for ostium of left atrial appendage.
Fleischhacker Mark G. (Minnetonka MN) Fleischhacker ; Jr. Joseph F. (Mound MN) Hargreaves Thomas E. (Mound MN) Hanson Donald W. (Chanhassen MN), Hollow lumen cable apparatus.
Cruise, Gregory M.; Constant, Michael J., Hydrogels that undergo volumetric expansion in response to changes in their environment and their methods of manufacture and use.
Frazier, Andrew G. C.; Khairkhahan, Alexander K.; van der Burg, Erik J.; Roue, Chad C.; Klenk, Alan R., Left atrial appendage occlusion device with active expansion.
Khairkhahan, Alexander K.; Frazier, Andrew G. C.; Klenk, Alan R.; Kreidler, Marc S.; Kume, Stewart M.; Ogi, Darrell H.; Roue, Chad C.; van der Burg, Erik J., Method of implanting an adjustable occlusion device.
Eskridge, Joseph; Clarke, Gilbert; Pease, Matthew; Mast, Gregory Martin; Muskivitch, John Conrad, Methods and systems for endovascularly clipping and repairing lumen and tissue defects.
Zadno-Azizi Gholam-Reza ; Luehrs Kirsten F. ; Gittings Darin C. ; Turovskiy Roman ; Cox Brian J. ; Shiu Brian ; Hayes Michael B. ; Coombs Craig J., Methods for the manufacture of radially expansible stents.
Ricci Charlie ; Dolmatch Bart ; Cragg Andrew H. ; Greff Richard J., Methods for treating endoleaks during endovascular repair of abdominal aortic aneurysms.
Amplatz, Kurt; Gu, Xiaoping; Oslund, John C.; Thill, Gary A., Multi-layer braided structures for occluding vascular defects and for occluding fluid flow through portions of the vasculature of the body.
Hachtman Steven W. (Chanhassen MN) Johnson Liann M. (Golden Valley MN) Johnson Scott T. (Anoka MN) Laptewicz ; Jr. Joseph E. (Eden Prairie MN) Thompson Paul J. (New Hope MN) Ahmad Amjad (Eagan MN) Sc, Multiple layer stent.
Smalling, Richard W., Percutaneous implantation of partially covered stents in aneurysmally dilated arterial segments with subsequent embolization and obliteration of the aneurysm cavity.
Chin Yem ; McCrory Jennifer J. ; Tremaglio ; Jr. Anthony R. ; Guterman Lee R. ; Dassa Alyssa ; Hudson Richard, Removable occlusion system for aneurysm neck.
Hewitt, Todd J; Merritt, Brian; Patterson, William R; Thompson, James M; Plaza, Claudio; Tran, Hung P, Filamentary devices for treatment of vascular defects.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.