Intravascular implants and methods of using the same

Abstract

An intravascular implant and methods of using the implant within the vasculature of the body, for example near a vascular aneurysm, are disclosed. A method of treating an aneurysm includes positioning a vascular graft comprising a tubular channel having a first end and a second end in a blood vessel, securing the vascular graft in place with an expandable anchoring member, and filling a seal cuff on the vascular graft, wherein the seal cuff extends radially outward beyond an exterior surface of the vascular graft, wherein the seal cuff comprises a first seal portion and a second seal portion and wherein the first seal portion is separated from the second seal portion by a first gap and a second gap along a circumference of the seal cuff.

1 . (canceled) 
     
     
         2 . A device for treating an aneurysm having a device longitudinal axis, the device comprising:
 a bifurcated vascular graft comprising a main branch, a first leg, and a second leg, wherein the second leg is longer than the first leg, wherein the main branch is positionable across the aneurysm, and wherein the first leg and the second leg are positionable across the aneurysm;   a fillable seal comprising a first port, a second port, a third port, and a fourth port, wherein the first port and the second port are closer to a fillable seal proximal end than to a fillable seal distal end, wherein the third port and the fourth port are closer to the fillable seal distal end than to the fillable seal proximal end, wherein the first port is opposite the third port, wherein the second port is opposite the fourth port, wherein the first port and the third port are on a fillable seal first side, wherein the second port and the fourth port are on a fillable seal second side, wherein the fillable seal first side is opposite the fillable seal second side, wherein the third port is closer to the first leg than the first port, the second port, and the fourth port, and wherein the fourth port is closer to the second leg than the first port, the second, port, and the third port;   first anchor arms and second anchor arms, wherein the first anchor arms are closer to a device proximal terminal end than the second anchor arms, wherein the device comprises a contracted configuration and an expanded configuration, and wherein when the device is in the contracted configuration, the first anchor arms and the second anchor arms are moveable away from the device longitudinal axis;   connectors between the fillable seal and the first anchor arms, wherein the first anchor arms and the second anchor arms extend from the connectors; and   flow ports between the fillable seal and the first anchor arms, wherein the flow ports are between adjacent connectors,   wherein when the device is in a fully deployed configuration, the main branch extends across the aneurysm, the first leg extends across the aneurysm, and the second leg extends across the aneurysm,   wherein when the device is in the fully deployed configuration, the first anchor arms, the second anchor arms, the connectors, the flow ports, and the fillable seal are proximal the aneurysm, and   wherein when the device is in the fully deployed configuration, the first anchor arms, the second anchor arms, the connectors, and the flow ports are proximal the fillable seal.   
     
     
         3 . The device of  claim 2 , wherein when the device is in the fully deployed configuration, the first port and the second port are the same distance from the fillable seal proximal end, and wherein when the device is in the fully deployed configuration, the first port and the second port are the same distance from the fillable seal distal end. 
     
     
         4 . The device of  claim 3 , wherein when the device is in the fully deployed configuration, the third port and the fourth port are the same distance from the fillable seal proximal end, and wherein when the device is in the fully deployed configuration, the third port and the fourth port are the same distance from the fillable seal distal end. 
     
     
         5 . The device of  claim 2 , wherein a fluid is flowable through the first port, the second port, the third port, and the fourth port. 
     
     
         6 . The device of  claim 2 , wherein a fluid is simultaneously flowable through the first port, the second port, the third port, and the fourth port. 
     
     
         7 . The device of  claim 2 , wherein an outermost perimeter of the fillable seal is farther from the device longitudinal axis than the first port, the second port, the third port, and the fourth port. 
     
     
         8 . The device of  claim 2 , wherein the fillable seal further comprises a channel, wherein the first port and the third port are farther from the device longitudinal axis than the channel, wherein the third port and the fourth port are farther from the device longitudinal axis than the channel, wherein the channel is between the first port and the second port, and wherein the channel is between the third port and the forth port. 
     
     
         9 . The device of  claim 2 , wherein when the device is in the fully deployed configuration, the first anchor arms and the second anchor arms are proximal the renal arteries and the fillable seal is distal the renal arteries. 
     
     
         10 . The device of  claim 2 , wherein the fillable seal is a first fillable seal, wherein the device further comprises a second fillable seal and a third fillable seal, wherein the first fillable seal is integrated with the main branch, wherein the second fillable seal is integrated with the first leg, and wherein the third fillable seal is integrated with the second leg. 
     
     
         11 . The device of  claim 10 , wherein the second fillable seal has a c-shape, and wherein the third fillable seal has a c-shape. 
     
     
         12 . The device of  claim 2 , further comprising a first leg anchor and a second leg anchor, wherein the first leg anchor extends distally away from a first leg distal terminal end, and wherein the second leg anchor extends distally away from a second leg distal terminal end. 
     
     
         13 . A device for treating an aneurysm having a device longitudinal axis, the device comprising:
 a bifurcated vascular graft comprising a main branch, a first leg, and a second leg, wherein the main branch is positionable across the aneurysm, and wherein a first leg distal end and a second leg distal end are positionable across the aneurysm;   a fillable seal comprising a first channel, a second channel, and a third channel, wherein the first channel is on a fillable seal first side, wherein the second channel is on a fillable seal second side, wherein the third channel is on the fillable seal first side and on the fillable seal second side, wherein the fillable seal first side is opposite the fillable seal second side, wherein the first channel is farther from the device longitudinal axis than the third channel, wherein the second channel is farther from the device longitudinal axis than the third channel, wherein the third channel is between first channel and the second channel, and wherein the third channel extends through a longitudinal center of the fillable seal;   first anchor arms and second anchor arms, wherein the first anchor arms are farther from the fillable seal than the second anchor arms, wherein the device comprises a contracted configuration and an expanded configuration, and wherein when the device is in the contracted configuration, the first anchor arms and the second anchor arms are moveable away from the device longitudinal axis;   connectors between the fillable seal and the first anchor arms, wherein the first anchor arms and the second anchor arms extend from the connectors; and   flow ports between the fillable seal and the first anchor arms, wherein the flow ports are between adjacent connectors,   wherein when the device is in a fully deployed configuration, the main branch extends across the aneurysm, a first leg distal end is in the aneurysm, and a second leg distal is in the aneurysm,   wherein when the device is in the fully deployed configuration, the first anchor arms, the second anchor arms, the connectors, the flow ports, and the fillable seal are proximal the aneurysm, and   wherein when the device is in the fully deployed configuration, the first anchor arms, the second anchor arms, the connectors, and the flow ports are proximal the fillable seal.   
     
     
         14 . The device of  claim 13 , wherein the first channel has a cylindrical shape, wherein the second channel has a cylindrical shape, and wherein when the device is in the fully deployed configuration, the first anchor arms and the second anchor arms are proximal the renal arteries and the fillable seal is distal the renal arteries. 
     
     
         15 . The device of  claim 13 , wherein a fluid is flowable through the first channel and the second channel. 
     
     
         16 . The device of  claim 13 , wherein a fluid is simultaneously flowable through the first channel and the second channel. 
     
     
         17 . The device of  claim 13 , wherein the first channel extends to the first leg, and wherein the second channel extends to the second leg. 
     
     
         18 . The device of  claim 13 , wherein when the device is in a partially deployed configuration, fluid is in the first channel and in the second channel, wherein the device further comprises a first leg anchor and a second leg anchor, wherein the first leg anchor extends distally away from a first leg distal terminal end, and wherein the second leg anchor extends distally away from a second leg distal terminal end. 
     
     
         19 . The device of  claim 18 , wherein the fillable seal is a first fillable seal, wherein the device further comprises a second fillable seal and a third fillable seal, wherein the first fillable seal is integrated with the main branch, wherein the second fillable seal is integrated with the first leg, wherein the third fillable seal is integrated with the second leg, wherein the first leg anchor is positionable in a channel that extends through the second fillable seal, and wherein the second leg anchor is positionable in a channel that extends through the third fillable seal. 
     
     
         20 . A device for treating an aneurysm having a device longitudinal axis, the device comprising:
 a bifurcated vascular graft comprising a main branch, a first leg, and a second leg, wherein the second leg is longer than the first leg, wherein the main branch is positionable across the aneurysm, and wherein the first leg and the second leg are positionable across the aneurysm;   a fillable seal comprising a first channel and a second channel, wherein the first leg extends from the first channel, and wherein the second leg extends from the second channel;   a first anchor arm, a second anchor arm, a third anchor arm, and a fourth anchor arm, wherein the first anchor arm and the second anchor arm are closer to a device proximal terminal end than the third anchor arm and the fourth anchor arm, wherein the device comprises a contracted configuration and an expanded configuration, wherein when the device is in the contracted configuration, the first anchor arm and the third anchor arm are moveable away from the device longitudinal axis in a first direction and the second anchor arm and the forth anchor arm are moveable away from the device longitudinal axis in a second direction opposite the first direction, and wherein when the device is in the expanded configuration, the first anchor arm and the third anchor arm are opposite the second anchor arm and the fourth anchor arm;   a first connector and a second connector, wherein the first anchor arm and the third anchor arm extend from the first connector, and wherein the second anchor arm and the fourth anchor arm extend from the second connector; and   flow ports between the fillable seal and the first anchor arm and the second anchor arm,   wherein when the device is in a fully deployed configuration, the main branch extends across the aneurysm, a first leg distal end is in the aneurysm, and a second leg distal is in the aneurysm,   wherein when the device is in the fully deployed configuration, the first anchor arm, the second anchor arm, the third anchor arm, the fourth anchor arm, the first connector, the second connector, the flow ports, and the fillable seal are proximal the aneurysm, and   wherein when the device is in the fully deployed configuration, the first anchor arm, the second anchor arm, the third anchor arm, the fourth anchor arm, the first connector, the second connector, and the flow ports are proximal the fillable seal.   
     
     
         21 . The device of  claim 20 , wherein the first channel has a cylindrical shape, wherein the second channel has a cylindrical shape, wherein the first channel and the second channel are offset from the device longitudinal axis, wherein a fluid is simultaneously flowable through the first channel and the second channel, wherein when the device is in the fully deployed configuration, the first anchor arm, the second anchor arm, the third anchor arm, and the fourth anchor arm are proximal the renal arteries and the fillable seal is distal the renal arteries, wherein the device further comprises a first leg anchor and a second leg anchor, wherein the first leg anchor extends distally away from a first leg distal terminal end, and wherein the second leg anchor extends distally away from a second leg distal terminal end.