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公开(公告)号：EP0971646B1
公开(公告)日：2004-09-22
申请号：EP98918112.8
申请日：1998-04-09
IPC分类号： A61F2/06
CPC分类号： A61F2/07 , A61F2/89 , A61F2002/065 , A61F2002/072 , A61F2002/075 , A61F2002/8483 , A61F2220/0075 , A61F2230/0034 , A61F2230/0067
摘要： This is regarding a type of device aimed at a simpler, in relation to already existing techniques, endovascular positioning of a stent-graft in the abdominal aorta for the therapy of aneurysms up to the point of its bifurcation (26). This device is comprised of a system of three cylinders: a 'main' (1) centrally placed and two 'limbs' (4, 5) peripherally placed. Each of these cylinders has a central (14, 9, 8) and a peripheral (12, 10, 11) orifice. The cylinders are comprised of a cylindrical metallic skeleton which is self-expanding (2, 7) and made out of stainless steel or nitinol and which is externally covered with a cylinder (3, 8) made out of thin-layered PTFE, Dacron or some other elastic biocompatible material, refolded (18) around the peripheral orifice (12) of the skeleton of the main cylinder. These cylinders can be compressed into small diameter tubules (23, 27, 38) and enter the vascular lumen. After their insertion into the desired position, they expand, regaining their original diameter. The main cylinder (1) is placed inside the aorta becoming more circular when it comes in contact with the healthy part of the aorta (13) central to the aneurysm at the center of the orifice (14). The peripheral orifice of the main cylinder sits upon the expanded aortic bifurcation (26). The two limbs have a central orifice (8, 9) with a diameter equal to or approximately about 2 mm smaller than the diameter of the peripheral orifice (12) of the main cylinder. The branching of the main cylinder is accomplished by the entrance of the main ends of the two limbs inside the peripheral end of the main cylinder. Both limbs are at the same height in such a manner that they compress each other at the center of the cylinder. Each limb exerts equal pressure, whereas equal pressure is also exerted on the internal surface of the main cylinder from their external surface (FIG. 5) and together they both occupy at the height of their orifices the entire perimeter of the main cylinder (43). Alternatively, as limbs (peripheral cylinders), tubes of different diameters and types of skeletons can be used (28, 27).
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公开(公告)号：EP0971646A1
公开(公告)日：2000-01-19
申请号：EP98918112.8
申请日：1998-04-09
IPC分类号： A61F2/06
CPC分类号： A61F2/07 , A61F2/89 , A61F2002/065 , A61F2002/072 , A61F2002/075 , A61F2002/8483 , A61F2220/0075 , A61F2230/0034 , A61F2230/0067
摘要： This is regarding a type of device aimed at a simpler, in relation to already existing techniques, endovascular positioning of a stent-graft in the abdominal aorta for the therapy of aneurysms up to the point of its bifurcation (26). This device is comprised of a system of three cylinders: a 'main' (1) centrally placed and two 'limbs' (4, 5) peripherally placed. Each of these cylinders has a central (14, 9, 8) and a peripheral (12, 10, 11) orifice. The cylinders are comprised of a cylindrical metallic skeleton which is self-expanding (2, 7) and made out of stainless steel or nitinol and which is externally covered with a cylinder (3, 8) made out of thin-layered PTFE, Dacron or some other elastic biocompatible material, refolded (18) around the peripheral orifice (12) of the skeleton of the main cylinder. These cylinders can be compressed into small diameter tubules (23, 27, 38) and enter the vascular lumen. After their insertion into the desired position, they expand, regaining their original diameter. The main cylinder (1) is placed inside the aorta becoming more circular when it comes in contact with the healthy part of the aorta (13) central to the aneurysm at the center of the orifice (14). The peripheral orifice of the main cylinder sits upon the expanded aortic bifurcation (26). The two limbs have a central orifice (8, 9) with a diameter equal to or approximately about 2 mm smaller than the diameter of the peripheral orifice (12) of the main cylinder. The branching of the main cylinder is accomplished by the entrance of the main ends of the two limbs inside the peripheral end of the main cylinder. Both limbs are at the same height in such a manner that they compress each other at the center of the cylinder. Each limb exerts equal pressure, whereas equal pressure is also exerted on the internal surface of the main cylinder from their external surface (FIG. 5) and together they both occupy at the height of their orifices the entire perimeter of the main cylinder (43). Alternatively, as limbs (peripheral cylinders), tubes of different diameters and types of skeletons can be used (28, 27).
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公开(公告)号：EP1113764B1
公开(公告)日：2003-11-05
申请号：EP00948716.6
申请日：2000-07-17
IPC分类号： A61F2/06
CPC分类号： A61F2/07 , A61F2/848 , A61F2/95 , A61F2002/075 , A61F2002/9511 , A61F2220/0016 , A61F2220/0075 , A61F2230/005 , A61F2230/0054 , A61F2230/0067
摘要： An expandable stent prosthesis is disclosed in which the apices of the bends located at at least one end of the stent are individually twisted at an angle to the circumference of the stent to form a fan blade-like arrangement when viewed from that end. The fan blade-like arrangement allows the stent to expand from the compressed condition during deployment such that likelihood of a strut or bend of the stent become entangled with a barb or adjacent strut or bend, is reduced. In one embodiment of the invention, the fan blade-like arrangement results from plastically deforming the individual apices, while in another embodiment, the apices are twisted into the fan blade-like arrangement during the loading process, such as by use of a suture thread to pull the apices into alignment.
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公开(公告)号：EP1503702B1
公开(公告)日：2010-11-03
申请号：EP03753000.3
申请日：2003-05-08
申请人： Cook Incorporated
IPC分类号： A61F2/06
CPC分类号： A61F2/82 , A61F2002/8483
摘要： A barbed medical prosthesis (10) is disclosed in which the barb (11) includes a basal portion (13) comprising a point of union (19) with the substrate of origin (15) (such as a strut), an anchoring portion (12) adapted to embed into tissue, and a stress-dispersing portion (14) located between the basal and anchoring portions. In one embodiment the stress-dispersing portion comprises a helical coil (38) having a free winding (20) that is unattached to the strut from which the barb extends. In another embodiment, the stress-dispersing portion comprises a series of bends or curves (24) formed in the barb proximate to the point of union with the strut. The barb can be mechanically attached and/or soldered to the prosthesis, or integrally formed therefrom. A second barb portion (37) and stress-dispersing portion, may also extend from the basal portion.
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公开(公告)号：EP1503702A1
公开(公告)日：2005-02-09
申请号：EP03753000.3
申请日：2003-05-08
申请人： Cook Incorporated
IPC分类号： A61F2/06
CPC分类号： A61F2/82 , A61F2002/8483
摘要： A barbed medical prosthesis (10) is disclosed in which the barb (11) includes a basal portion (13) comprising a point of union (19) with the substrate of origin (15) (such as a strut), an anchoring portion (12) adapted to embed into tissue, and a stress-dispersing portion (14) located between the basal and anchoring portions. In one embodiment the stress-dispersing portion comprises a helical coil (38) having a free winding (20) that is unattached to the strut from which the barb extends. In another embodiment, the stress-dispersing portion comprises a series of bends or curves (24) formed in the barb proximate to the point of union with the strut. The barb can be mechanically attached and/or soldered to the prosthesis, or integrally formed therefrom. A second barb portion (37) and stress-dispersing portion, may also extend from the basal portion.
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公开(公告)号：EP1706070B1
公开(公告)日：2011-02-23
申请号：EP05711870.5
申请日：2005-01-18
申请人： Cook Incorporated
IPC分类号： A61F2/06
CPC分类号： A61F2/07 , A61F2/89 , A61F2002/075 , A61F2220/0041 , A61F2220/0075 , A61F2230/005 , A61F2230/0054 , A61F2230/0067
摘要： An endoluminal prosthetic device is formed by attaching a stent (14) to a graft (12). The stent is a plurality of struts (15) and joints or apices (16) between the struts. At least one apex of the stent may be attached to the graft with at least two stitches (18) sharing a penetration (19) in the graft. This more firmly anchors the stent to the graft, preventing separation of the stent from the graft. By using at least one opening or penetration in the graft for more than one stitch, the number of penetrations or openings in the graft is minimized. This has the advantage of maintaining as much as possible the integrity of the graft while minimizing leakage and complications.
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公开(公告)号：EP2063822B1
公开(公告)日：2011-01-26
申请号：EP07838504.4
申请日：2007-09-19
申请人： Cook Incorporated
CPC分类号： A61F2/013 , A61F2/07 , A61F2/95 , A61F2/958 , A61F2002/011 , A61F2002/075 , A61F2002/8486 , A61F2250/0048
摘要： The present invention provides apparatus and methods for treating a vascular condition by restoring patency to a vessel while reducing the likelihood that emboli become dislodged into the bloodstream. In a first embodiment, the apparatus comprises a graft having proximal and distal regions, a first support member attached to the distal region of the graft, and a second support member attached to the proximal region of the graft. The first and second support members may comprise first and second stents, respectively. The first stent is deployed distal to a vascular condition, and the second stent is deployed proximal to a vascular condition, such that the graft spans the length of the vascular condition to entrap emboli during treatment of the vascular condition. In an alternative embodiment, the first stent is adapted to be deployed within a vessel at a location distal to the vascular condition, and the graft is adapted to be everted to form a pocket adapted to entrap emboli dislodged during treatment of the vascular condition. The second stent then may be subsequently deployed proximal to the vascular condition, such that emboli trapped within the graft pocket are effectively sealed off from the bloodstream.
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公开(公告)号：EP2107895A1
公开(公告)日：2009-10-14
申请号：EP08724869.6
申请日：2008-01-28
申请人： Cook Incorporated
发明人： BARR, Aaron, P. , DEBRUYNE, Michael, P. , DITTMAN, Jay, A. , HOFFA, Michael, C. , MEAD, Jason, A. , NICKLESS, Benjamin
CPC分类号： A61F2/91 , A61F2/915 , A61F2002/075 , A61F2002/8483 , A61F2220/0008 , A61F2220/0016 , A61F2220/0075 , A61F2230/0054 , A61F2250/0068 , Y10T29/49995
摘要： The invention relates to a method for producing a radially expandable prosthesis by laser cutting a pattern in a tubular member, which member has an outer diameter at least as great as the expanded diameter of the prosthesis. The prosthesis may be a Z-stent which can be cut out to have integral barbs or notches along its struts. The apexes between the struts may be relatively thin.
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公开(公告)号：EP1706069B1
公开(公告)日：2009-07-01
申请号：EP05711720.2
申请日：2005-01-18
申请人： Cook Incorporated
IPC分类号： A61F2/06
CPC分类号： A61F2/07 , A61F2/848 , A61F2/89 , A61F2002/067 , A61F2002/075 , A61F2220/0016 , A61F2220/0075 , A61F2230/005 , A61F2230/0054 , A61F2230/0067
摘要： An endoluminal prosthetic device for placement in a body lumen is formed by stitching stents to a graft. A first or anchoring stent (12) is used for securing a graft made of biocompatible material that forms at least one lumen. There is also a second stent (14). The first and second stents each include a plurality of struts (15, 25) and apices (16, 26) between the struts. At least two of the apices in each of the first and second stents are secured to the graft by stitches (21, 23). A running suture (24) links at least one stitch of the first stent and one stitch of the second stent. The running suture linking the first stent and the second stent adds strength to the stitches and better secures the first stent to the device. The endoluminal prosthetic device may be used in an aortic vessel to treat stenoses or aneurysms.
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公开(公告)号：EP2063822A2
公开(公告)日：2009-06-03
申请号：EP07838504.4
申请日：2007-09-19
申请人： Cook Incorporated
CPC分类号： A61F2/013 , A61F2/07 , A61F2/95 , A61F2/958 , A61F2002/011 , A61F2002/075 , A61F2002/8486 , A61F2250/0048
摘要： The present invention provides apparatus and methods for treating a vascular condition by restoring patency to a vessel while reducing the likelihood that emboli become dislodged into the bloodstream. In a first embodiment, the apparatus comprises a graft having proximal and distal regions, a first support member attached to the distal region of the graft, and a second support member attached to the proximal region of the graft. The first and second support members may comprise first and second stents, respectively. The first stent is deployed distal to a vascular condition, and the second stent is deployed proximal to a vascular condition, such that the graft spans the length of the vascular condition to entrap emboli during treatment of the vascular condition. In an alternative embodiment, the first stent is adapted to be deployed within a vessel at a location distal to the vascular condition, and the graft is adapted to be everted to form a pocket adapted to entrap emboli dislodged during treatment of the vascular condition. The second stent then may be subsequently deployed proximal to the vascular condition, such that emboli trapped within the graft pocket are effectively sealed off from the bloodstream.
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