Systems and methods for treating a carotid artery

Systems and methods are adapted for treating the carotid artery. The systems include interventional catheters and blood vessel access devices that are adapted for transcervical insertion into the carotid artery. Embodiments of the systems and methods can be used in combination with embolic protection systems including blood flow reversal mechanisms, arterial filters, and arterial occlusion devices.

SYSTEMS AND METHODS FOR TREATING A CAROTID ARTERY

Systems and methods are adapted for treating the carotid artery. The systems include interventional catheters and blood vessel access devices that are adapted for transcervical insertion into the carotid artery. Embodiments of the systems and methods can be used in combination with embolic protection systems including blood flow reversal mechanisms, arterial filters, and arterial occlusion devices. 1. A system for use in accessing and treating a carotid artery , said system comprising:an arterial access device adapted to be introduced into a common carotid artery, wherein the arterial access device comprises a distal sheath adapted to enter the common carotid artery, an aspiration port communicating with an internal lumen of the distal sheath, and a proximal hemostasis valve assembly providing access to the internal lumen of the distal sheath for an interventional device; (a) a housing defining an internal chamber that communicates with the internal lumen of the distal sheath, wherein the internal chamber is adapted to contain a fluid;', '(b) a first seal member that seals the internal chamber from the internal lumen of the distal sheath, the first seal member having a central passageway that opens for passage of an interventional device into the internal lumen of the distal sheath from the internal chamber, wherein the central passageway is closed in a default state to prevent passage of fluid across the proximal seal member;', '(c) wherein, when the internal chamber is filled with fluid, the fluid prevents air from entering the internal lumen of the distal sheath via the hemostasis valve assembly when the internal lumen of the distal sheath is aspirated, via the aspiration port., 'the hemostasis valve assembly comprising2. A system as in claim 1 , wherein the hemostasis valve assembly further comprises a second seal member claim 1 , wherein the second seal member is positioned on a proximal end of the internal chamber and the first seal member is positioned on a ...

SYSTEM AND METHODS FOR CONTROLLING RETROGRADE CAROTID ARTERIAL BLOOD FLOW

A retrograde flow system is configured for treating an artery. The system includes an arterial access device adapted to be introduced into an artery and receive blood flow from the artery. A shunt fluidly is connected to the arterial access device, wherein the shunt provides a pathway for blood to flow from the arterial access device to a return site. A flow control assembly is coupled to the shunt and is adapted to regulate blood flow through the shunt between at least a first blood flow state and at least a second blood flow state. A shut-off valve assembly automatically blocks fluid flow through the shunt in response to injection of the fluid into the arterial access device. 1. A retrograde flow system for treating an artery , comprising:an arterial access device adapted to be introduced into an artery and receive blood flow from the artery;a shunt fluidly connected to the arterial access device, wherein the shunt provides a pathway for blood to flow from the arterial access device to a return site;a flow control assembly coupled to the shunt and adapted to regulate blood flow through the shunt between at least a first blood flow state and at least a second blood flow state; anda shut-off valve assembly that regulates fluid flow through the shunt, wherein the shut-off valve assembly automatically blocks fluid flow through the shunt in response to injection of the fluid into the arterial access device.2. A system as in claim 1 , further comprising a fluid line that communicates with the shut-off valve assembly and the arterial access device claim 1 , wherein the fluid line provides a pathway for injecting fluid into the arterial access device claim 1 , and wherein the fluid line communicates an injection pressure to the shut-off valve assembly.3. A system as in claim 2 , wherein the flow control assembly comprises a single housing through which at least a portion of the shunt and a portion of the fluid line pass through.4. A system as in claim 1 , wherein the shut ...

SUTURE DELIVERY DEVICE

A suture-based vessel closure device can perform the dilation of an arteriotomy puncture and does not require previous dilation of the arteriotomy puncture by a separate device or by a procedural sheath dilator. The suture-based vessel closure device can place one or more sutures across the vessel access site such that, when the suture ends are tied off after sheath removal, the stitch or stitches provide hemostasis to the access site. 1. A method of performing a procedure on a vascular or cardiac structure , comprising:inserting a suture delivery device with a premounted sheath into the common carotid artery through an arteriotomy in the wall of the common carotid artery;drawing at least one end of a suture outside the body of the patient using the suture delivery device such that the suture can be held until such time as the suture is to be tied off to create a permanent closure of the arteriotomy;separating the suture from the body of the suture delivery device;advancing the premounted sheath through the arteriotomy into the common carotid artery;removing the suture delivery device;inserting a therapeutic device or devices through the sheath to the treatment site, performing a therapeutic procedure, and removing the therapeutic device or devices from the sheath;removing the sheath; andtying off the ends of the suture to close the arterial access site.2. A method as in claim 1 , further comprising the step of occluding the common carotid artery.3. A method as in claim 2 , wherein the procedural sheath includes a Y-arm connection to a flow line and further comprising the step of connecting the sheath to a reverse flow shunt.4. A method as in claim 1 , wherein the therapeutic device is a prosthetic aortic valve and the therapeutic procedure is transcatheter aortic valve implantation.5. A method as in claim 1 , wherein the suture delivery device includes a vessel wall locator claim 1 , and further comprising actuating the vessel wall locator from a first position ...

SYSTEMS AND METHODS FOR TREATING A CAROTID ARTERY

Systems and methods are adapted for treating the carotid artery. The systems include interventional catheters and blood vessel access devices that are adapted for transcervical insertion into the carotid artery. Embodiments of the systems and methods can be used in combination with embolic protection systems including blood flow reversal mechanisms, arterial filters, and arterial occlusion devices. 116-. (canceled)17. A method of accessing and treating a carotid artery , the method comprising: the hemostasis valve assembly comprising:', '(a) a housing defining an internal chamber that communicates with the internal lumen of the distal sheath, wherein the internal chamber is adapted to contain a liquid;', '(b) a first seal member that seals the internal chamber from the internal lumen of the distal sheath, the first seal member having a central passageway that opens for passage of an interventional device into the internal lumen of the distal sheath from the internal chamber, wherein the central passageway is closed in a default state to prevent passage of fluid across the first seal member;', '(c) wherein, when the internal chamber is filled with liquid or gel, the liquid or gel prevents air from entering the internal lumen of the distal sheath via the hemostasis valve assembly when the internal lumen of the distal sheath is aspirated, via the aspiration port;', 'a second seal member, wherein the second seal member is positioned on a proximal end of the internal chamber and the first seal member is positioned on a distal end of the internal chamber so that the first seal member and second seal member define the internal chamber therebetween and can enclose liquid or gel within the internal chamber, and wherein the first seal member and second seal member are aligned along a common, straight axis;, 'inserting an arterial access device into an artery, wherein the arterial access device comprises a distal sheath, an aspiration port communicating with an internal lumen ...

Suture Delivery Device

A suture-based vessel closure device can perform the dilation of an arteriotomy puncture and does not require previous dilation of the arteriotomy puncture by a separate device or by a procedural sheath dilator. The suture-based vessel closure device can place one or more sutures across the vessel access site such that, when the suture ends are tied off after sheath removal, the stitch or stitches provide hemostasis to the access site. 1. A method of performing a procedure on a vascular or cardiac structure comprising:inserting a first sheath into the common carotid artery through an arteriotomy in the wall of the common carotid artery;inserting at least one therapeutic device through the sheath to a treatment site, performing a therapeutic procedure, and removing the at least one therapeutic device from the sheath;inserting a suture delivery device into the common carotid artery through the arteriotomy;drawing at least one end of a suture outside the body of the patient using the suture delivery device such that the suture can be held until such time as the suture is to be tied off to create a permanent closure of the arteriotomy;removing the suture delivery device; andtying off the ends of the suture to close the arterial access site.2. A method as in claim 1 , further comprising the step of occluding the common carotid artery.3. A method as in claim 2 , wherein the first sheath includes a Y-arm connection to a flow line and further comprising the step of connecting the sheath to a reverse flow shunt.4. A method as in claim 1 , wherein the first sheath includes a detachable proximal extension tube claim 1 , and further comprising the step of removing the proximal extension tube prior to inserting the suture delivery device.511. A method as in claim claim 1 , further comprising actuating a vessel wall locator for a first position which is generally in line with the elongate body to a second position which is generally extended away from said body.6. A method as in ...

Suture delivery device

A suture-based vessel closure device can perform the dilation of an arteriotomy puncture and does not require previous dilation of the arteriotomy puncture by a separate device or by a procedural sheath dilator. The suture-based vessel closure device can place one or more sutures across the vessel access site such that, when the suture ends are tied off after sheath removal, the stitch or stitches provide hemostasis to the access site.

Systems And Methods For Treating A Carotid Artery

Systems and methods are adapted for treating the carotid artery. The systems include interventional catheters and blood vessel access devices that are adapted for transcervical insertion into the carotid artery. Embodiments of the systems and methods can be used in combination with embolic protection systems including blood flow reversal mechanisms, arterial filters, and arterial occlusion devices. 116-. (canceled)17. A method of accessing and treating a carotid artery , the method comprising: the hemostasis valve assembly comprising:', '(a) a housing defining an internal chamber that communicates with the internal lumen of the distal sheath, wherein the internal chamber is adapted to contain a liquid or gel;', '(b) a first seal member that seals the internal chamber from the internal lumen of the distal sheath, the first seal member having a central passageway that opens for passage of an interventional device into the internal lumen of the distal sheath from the internal chamber, wherein the central passageway is closed in a default state to prevent passage of fluid across the first seal member;', '(c) wherein, when the internal chamber is filled with liquid or gel, the liquid or gel prevents air from entering the internal lumen of the distal sheath via the hemostasis valve assembly when the internal lumen of the distal sheath is aspirated, via the aspiration port;', 'a second seal member, wherein the second seal member is positioned on a proximal end of the internal chamber and the first seal member is positioned on a distal end of the internal chamber so that the first seal member and second seal member define the internal chamber therebetween and can enclose liquid or gel within the internal chamber, and wherein the first seal member and second seal member are aligned along a common, straight axis;, 'inserting an arterial access device into an artery, wherein the arterial access device comprises a distal sheath adapted to enter the common carotid artery, an ...

Interventional Catheter System And Methods

An interventional catheter is adapted for treating a blood vessel. In an embodiment, the catheter includes an elongate shaft sized for insertion in a blood vessel and a stent positioned on a distal region of the elongate shaft. An expandable dilation member is coupled to a distal region of the elongate shaft. The expandable dilation member is adapted to expand outward. A stent containment member is positioned over the elongate shaft and the stent to contain the stent in a collapsed state.

SUTURE DELIVERY DEVICE

A suture-based vessel closure device can perform the dilation of an arteriotomy puncture and does not require previous dilation of the arteriotomy puncture by a separate device or by a procedural sheath dilator. The suture-based vessel closure device can place one or more sutures across the vessel access site such that, when the suture ends are tied off after sheath removal, the stitch or stitches provide hemostasis to the access site. 1. A percutaneous vascular surgical system comprising:a sheath having a proximal end and a distal end and defining an inner lumen extending between the proximal and distal ends;an inflation lumen defined by the sheath;a reversibly inflatable balloon located about the sheath adjacent the distal end and in fluid communication with the inflation lumen;a negative pressure generator selectively connectable to the inner lumen; anda vascular closure device operable through the inner lumen to seal an opening in a wall of a blood vessel through which vascular access of the sheath is achieved.2. The surgical system of claim 1 , wherein a sidewall of the sheath is reinforced.3. The surgical system of claim 1 , wherein the sheath is capable of being pre-shaped.4. The surgical system of claim 1 , wherein the sheath is angulated adjacent the distal end.5. The surgical system of claim 1 , wherein the negative pressure generator comprises a receptacle claim 1 , a pump claim 1 , or a syringe.6. The surgical system of claim 1 , further comprising a manually operable valve disposed between the negative pressure generator and the inner lumen.7. The surgical system of claim 1 , further comprising a port adapted for blood pressure monitoring.8. The surgical system of claim 1 , wherein the vascular closure device comprises a closure member movable between a collapsed and expanded state claim 1 , and a catheter on which the closure member is mounted to allow the closure member to be delivered through the inner lumen.9. The surgical system of claim 8 , ...

INTERVENTIONAL CATHETER SYSTEM AND METHODS

An interventional catheter is adapted for treating a blood vessel. In an embodiment, the catheter includes an elongate shaft sized for insertion in a blood vessel and a stent positioned on a distal region of the elongate shaft. An expandable dilation member is coupled to a distal region of the elongate shaft. The expandable dilation member is adapted to expand outward. A stent containment member is positioned over the elongate shaft and the stent to contain the stent in a collapsed state. 190.-. (canceled)91. A method of treating a blood vessel , comprising: a distal section that at least partially forms a reverse flow path of an embolic protection system;', 'a proximal extension connected to the distal section by a connector;', 'an elongate shaft sized for insertion through an access sheath positioned transcervically in the carotid artery;', 'a self-expanding stent positioned on a distal region of the elongate shaft;', 'a retractable stent containment member movably positioned over the elongate shaft and the stent to contain the stent in a collapsed state, wherein the retractable stent containment member retracts from the elongate shaft a first length of the distal region exposing the self-expanding stent and wherein the stent containment member is longer than the elongate shaft;', 'a control mechanism on the elongate shaft, the control mechanism coupled to the stent containment member and configured to retract the stent containment member; and', 'a flow shunt fluidly connected to the access sheath and forming a part of the reverse flow path of the embolic protection system, wherein the flow shunt comprises two or more parallel flow paths and a valve to open or close one or more of the parallel flow paths selectively directing blood flow through the one or more of the parallel flow paths to adjust a state of flow through the flow shunt; and, 'inserting a catheter system into a carotid artery, the catheter system comprisingretracting the stent containment member ...

Mini cams on support loop for vessel stabilization

Embolic protection filtering devices and methods for making and using the same. An example filtering device includes a filter wire, a filter including a filter loop coupled to the filter wire, and a filter membrane coupled to the filter loop. A plurality of cam members may be coupled to the filter loop. Alternatively, the filter loop may include a plurality of strut members coupled thereto. The cam members and/or the strut members may help to stabilize the longitudinal position of the filtering device within a body lumen.

Vessel closure clip device

A clip-based vascular closure devices is configured to be pre-applied to a blood vessel prior to insertion of a vascular access device (such as a procedural sheath) through an incision, puncture, penetration or other passage through the blood vessel. In an embodiment, the disclosed closure device is applied in a carotid artery via a transcervical access such as by forming an incision in the patient's neck to in order to access the blood vessel or other body lumen.

Mini cams on support loop for vessel stabilization

Embolic protection filtering devices and methods for making and using the same. An example filtering device includes a filter wire, a filter including a filter loop coupled to the filter wire, and a filter membrane coupled to the filter loop. A plurality of cam members may be coupled to the filter loop. Alternatively, the filter loop may include a plurality of strut members coupled thereto. The cam members and/or the strut members may help to stabilize the longitudinal position of the filtering device within a body lumen.

Embolic protection device

EMBOLIC PROTECTION DEVICE.

Un sistema de filtración de protección embólica, que comprende: un dispositivo médico que tiene un diámetro interior; un dispositivo (10, 110) de protección embólico que tiene un eje alargado (12) que tiene un extremo proximal (26) y un extremo distal (22); un filtro (14, 114) de protección embólico acoplado al eje (12); y caracterizado por una detención proximal (16, 116) acoplada al eje (12) proximal en el filtro (14, 114), teniendo la detención proximal (16, 116) una anchura mayor que el diámetro interior del dispositivo médico, en el que el filtro (14, 114) incluye un bastidor de filtro y en el que el bastidor de filtro está acoplado al eje (12) en un primer lugar y en el que uno o más montantes (34), fijados al bastidor de filtro, están acoplados al eje (12) en un segundo lugar (36), siendo el primer lugar distal del segundo lugar. An embolic protection filtration system, comprising: a medical device having an inside diameter; an embolic protection device (10, 110) having an elongated shaft (12) having a proximal end (26) and a distal end (22); an embolic protection filter (14, 114) coupled to the shaft (12); and characterized by a proximal stop (16, 116) coupled to the proximal shaft (12) in the filter (14, 114), the proximal stop (16, 116) having a width greater than the inner diameter of the medical device, in which The filter (14, 114) includes a filter frame and in which the filter frame is coupled to the shaft (12) in a first place and in which one or more uprights (34), fixed to the filter frame, are coupled to the shaft (12) in a second place (36), being the first distal of the second place.

System and methods for controlling retrograde carotid arterial blood flow

A retrograde flow system is configured for treating an artery. The system includes an arterial access device adapted to be introduced into an artery and receive blood flow from the artery. A shunt fluidly is connected to the arterial access device, wherein the shunt provides a pathway for blood to flow from the arterial access device to a return site. A flow control assembly is coupled to the shunt and is adapted to regulate blood flow through the shunt between at least a first blood flow state and at least a second blood flow state. A shut-off valve assembly automatically blocks fluid flow through the shunt in response to injection of the fluid into the arterial access device.

Embolic protection device

An embolic protection filter. In some embodiments, the device includes an elongate shaft (12), a filter (14) coupled to the shaft, and a proximal stop (16, 116) coupled to the shaft.

Embolic protection filter assembly

An embolic protection filter delivery and/or retrieval assembly. In one embodiment the assembly includes a shaft having a filter coupled thereto, a sheath, and a tapering member.

Embolic protection filter assembly

An embolic protection filter delivery and/or retrieval assembly. In one embodiment the assembly includes a shaft having a filter coupled thereto, a sheath, and a tapering member.

Filtermembran mit vergrösserter oberfläche

Filter membrane with increased surface area

A filtering device with an increased surface area, and method of making and using the same. The present invention comprises a filtering device including an elongate shaft and a filter coupled to the shaft. The filter may include a filter membrane configured to have an increased surface area.

Filter membrane with increased surface area

A filtering device with an increased surface area, and method of making and using the same. The present invention comprises a filtering device including an elongate shaft and a filter coupled to the shaft. The filter may include a filter membrane configured to have an increased surface area.

Single operator exchange emboli protection filter

Systems and methods for transporting and deploying intravascular devices through a body lumen are disclosed. An intracorporeal device in accordance with an exemplary embodiment of the present invention can include an elongate member (10) with a proximal portion defining first, second and third lumens (15, 16, 17) and a distal portion defining a containment lumen (18). A filter assembly (3) can be disposed within the containment lumen, with a filter wire (45) attached to the filter assembly and extending through the first lumen. A guidewire (30) can be passed through a distal guidewire lumen that extends through the filter assembly. The guidewire can extend through the distal guidewire lumen and through the second or third lumen. With the filter assembly disposed in the elongate member, the guidewire can then be advanced through a patient's vasculature, the filter delivery system advanced through the vasculature over the guidewire and the filter assembly deployed from the containment lumen.