Abstract: An intraluminal prosthesis is provided for strengthening a main lumen and a branch lumen that branches from the main lumen. The intraluminal prosthesis can comprise two tubular grafts. The first tubular graft can have a flexible body with a fenestration. The second tubular graft can have a flexible body that is configured for intraluminal coupling to the fenestration of the first tubular graft. The flexible body of the second tubular graft can have an outer dimension that is about equal to an inner dimension of the fenestration of the first tubular graft. The second tubular graft can also have a terminal stent that curves outwardly from a proximal end of the flexible body of the second tubular graft, whereby the terminal stent acts to couple the second tubular graft to the first tubular graft.

Abstract: An endoluminal device for repairing an aortic dissection and preventing future aortic dissections, the device including a plurality of struts with at least one of the plurality of struts having a mid-strut portion having two or more secondary struts, the device being configured to be secured within a false lumen of the aorta and contain filler material in order to encourage thrombosis within the false lumen.

Abstract: An intraluminal prosthesis is provided for strengthening a main lumen and a branch lumen that branches from the main lumen. The intraluminal prosthesis can comprise two tubular grafts. The first tubular graft can have a flexible body with a fenestration. The second tubular graft can have a flexible body that is configured for intraluminal coupling to the fenestration of the first tubular graft. The flexible body of the second tubular graft can have an outer dimension that is about equal to an inner dimension of the fenestration of the first tubular graft. The second tubular graft can also have a terminal stent that curves outwardly from a proximal end of the flexible body of the second tubular graft, whereby the terminal stent acts to couple the second tubular graft to the first tubular graft.

Abstract: A coated medical device (10) including a structure (12) adapted for introduction into a passage or vessel of a patient. The structure is formed of preferably a non-porous base material (14) having a bioactive material layer (18) disposed thereon. The medical device is preferably an implantable stent or balloon (26) of which the bioactive material layer is deposited thereon. The stent can be positioned around the balloon and another layer of the bioactive material posited over the entire structure and extending beyond the ends of the positioned stent. The ends of the balloon extend beyond the ends of the stent and include the bioactive material thereon for delivering the bioactive material to the cells of a vessel wall coming in contact therewith. The balloon further includes a layer of hydrophilic material (58) positioned between the base and bioactive material layers of the balloon.

Abstract: An attachment system for attaching an intravascular device to a vessel wall of a body vessel is disclosed. The attachment system includes an intravascular device and biological attachment material connected to the intravascular device. The biological attachment material is configured to attach the intravascular device to the vessel wall.

Abstract: An occlusion device includes a tubular expandable body with a frame that has a plurality of interconnected members configured to expand within a body vessel and to collapse for delivery or retrieval of the device. The occlusion device further includes a hydrophilic polyurethane hydrogel layer attached to the interconnected members of the tubular expandable body. The polyurethane hydrogel layer expands upon exposure to an aqueous environment.

Abstract: An attachment system for attaching an intravascular device to a vessel wall of a body vessel is disclosed. The attachment system includes a tubular expandable body defining a lumen therethrough. The tubular expandable body is configured to move between an expanded state to contact the body vessel and a collapsed state for delivery or retrieval. The tubular expandable body is configured to contact the vessel wall along the length of the tubular expandable body in the expanded state when deployed in the body vessel. An intravascular device is held to the exterior side of the tubular expandable body and is configured to contact the vessel wall when the tubular expandable body is in the expanded state and the system is deployed within a body vessel.

Abstract: An attachment system for attaching an intravascular device to a vessel wall of a body vessel is disclosed. The attachment system has an intravascular device having a first end and a second end. The intravascular device defines a longitudinal axis along a length thereof. Several struts are connected to one or more ends of the intravascular device. Each strut is configured to move along a strut path relative to the longitudinal axis between an expanded state for engaging the vessel wall and a collapsed state for delivery or retrieval. Each strut has a free end configured to engage the vessel wall in the expanded state.

Abstract: Medical devices, perfusion systems, and methods for detecting a pressure within a space in a subject and for perfusion of fluid into a space in a subject. The space may be a fluid-filled space, or a space that is depleted of fluid due to an obstruction to fluid flow into the space. Methods for forming the medical devices.

Abstract: A medical device is provided. The device includes a cannula with a lumen defined therethrough and an upper portion, a right side portion, a bottom portion, and a left side portion each substantially equally spaced from their respective neighboring portion around the circumferential surface of the cannula. The cannula additionally includes a plurality of apertures disposed through the distal end portion to provide communication from the lumen and a visually perceptible indicator that is configured to allow the cannula to be positioned at an appropriate rotational position within the patient.

Abstract: Disclosed is a method of navigating a spinal subarchnoid space in a living being, that includes percutaneously introducing a device into the spinal subarachnoid space at an entry location. The device has a first passageway that is sized to slidably receive, and work with, at least a guidewire. The device can be a catheter or a sheath. The method can also include advancing the device within the spinal subarachnoid space at least more than 10 centimeters from the entry location. Alternatively, the method can include advancing the device within the spinal subarachnoid space to facilitate intracranial access with a second device introduced through the first passageway. Also disclosed is a device suited for attachment to a patient's skin, such as a sheath, that includes an elongated member, a skin-attachment apparatus having a flexible skin-attachment flap, and a valve apparatus.

Abstract: The technology described herein relates to a stent graft and a method of making the stent wherein the stent comprises interconnected struts and is connected to the graft material by applying at least one band of polymer so as to cover at least a portion of at least some of the struts. A stent supported area is created by the stent's attachment to the graft material and the at least one band of polymer is applied so as to leave the majority of the stent supported area uncovered by the at least one band of polymer.

Abstract: A balloon expandable covered stent consists of a plurality of primary stent units, each having an undulating shape defined by a series of primary strut members converging to form peaks and valleys. The primary stent units are assembled into a single cylindrical structure of the stent by connecting corresponding peaks with secondary strut members. Generally, surfaces of the stent may then coated with a polymeric, hyper-elastic material, preferably Thoralon®, by pre-expanding the stent prior to coating.

Abstract: A method of navigating a spinal subarachnoid space in a living being includes percutaneously introducing a device into the spinal subarachnoid space at an entry location. The device has a first passageway that is sized to slidably receive, and work with, at least a guidewire. The device can be a catheter or a sheath. The method can also include advancing the device within the spinal subarachnoid space at least more than 10 centimeters from the entry location. Alternatively, the method can include advancing the device within the spinal subarachnoid space to facilitate intracranial access with a second device introduced through the first passageway. Also disclosed is a device suited for attachment to a patient's skin, such as a sheath, that includes an elongated member, a skin-attachment apparatus having a flexible skin-attachment flap, and a valve apparatus.

Abstract: A deployment system and method for an expandable stent are described. The deployment system includes an expandable stent in an unexpanded state and a first tubular sheath having one or more first flaps extending from a distal end thereof. The one or more first flaps overlie one or more first longitudinal portions of the stent. A second tubular sheath may overlie the first tubular sheath. The deployment method includes advancing a deployment system including an expandable stent in an unexpanded state to a treatment site in a body vessel. At the treatment site, one or more second longitudinal portions of the stent are radially expanded to partially deploy the stent, and then one or more first longitudinal portions of the stent are radially expanded to fully deploy the stent. Each of the first and second longitudinal portions preferably extends from a proximal end to a distal end of the stent.

Abstract: A tubular prosthesis delivery system has an inner tubular member having a distal end including a prosthesis-carrying portion and a proximal end intended to remain outside the patient. An outer tubular member has a distal end spaced from the prosthesis-carrying portion of the inner member. A coupling member couples the inner and outer tubular members to each other in fixed relationship generally at a location intended to remain outside the patient. An intermediate tubular member located between the inner and outer tubular members has a distal end adapted to cover the tubular prosthesis and a proximal end that projects proximally beyond the proximal ends of both the inner and outer tubular members. The proximally projecting end of the intermediate tubular member is longitudinally movable with respect to the coupled inner and outer tubular members by a distance sufficient to retract the intermediate tubular member distal end from any position covering the prosthesis carried by the inner member.

Abstract: A coated medical device (10) including a structure (12) adapted for introduction into a passage or vessel of a patient. The structure is formed of preferably a non-porous base material (14) having a bioactive material layer (18) disposed thereon. The medical device is preferably an implantable stent or balloon (26) of which the bioactive material layer is deposited thereon. The stent can be positioned around the balloon and another layer of the bioactive material posited over the entire structure and extending beyond the ends of the positioned stent. The ends of the balloon extend beyond the ends of the stent and include the bioactive material thereon for delivering the bioactive material to the cells of a vessel wall coming in contact therewith. The balloon further includes a layer of hydrophilic material (58) positioned between the base and bioactive material layers of the balloon.

Abstract: A delivery and deployment device comprises a sheath having a proximal end, a distal end, and a lumen disposed therebetween; a dilator having a distal end slidingly disposed within the sheath lumen; a valve assembly comprising a valve housing affixed to the sheath and a valve disposed within the housing between the sheath and the dilator; and a valve lubrication mechanism disposed between the valve and the dilator.

Abstract: A coated medical device (10) including a structure (12) adapted for introduction into a passage or vessel of a patient. The structure is formed of preferably a non-porous base material (14) having a bioactive material layer (18) disposed thereon. The medical device is preferably an implantable stent or balloon (26) of which the bioactive material layer is deposited thereon. The stent can be positioned around the balloon and another layer of the bioactive material posited over the entire structure and extending beyond the ends of the positioned stent. The ends of the balloon extend beyond the ends of the stent and include the bioactive material thereon for delivering the bioactive material to the cells of a vessel wall coming in contact therewith. The balloon further includes a layer of hydrophilic material (58) positioned between the base and bioactive material layers of the balloon.

Abstract: A multi-element occlusion device (10, 20, 30, 40) provides an improvement over existing systems by increasing the occupation of a vascular lumen. The device (10, 20, 30) comprises an anchoring element (12, 22, 32), a lead element (14, 24, 34) and at least one fiber (16, 26, 36) attaching said elements. The elements and fibers produce a cumulative occlusive effect greater than the sum of the individual elements. When placed in the blood stream, the anchoring element (12, 22, 32) lodges against the vessel wall and the lead element (14, 24, 34) is carried to a position distal thereto. In another embodiment, an “umbrella” of support members extend from the lead element. A fabric web extends between these support members. The umbrella intravascular device expands upon its exit from the catheter. The fabric web produces complete occlusion of the vessel without the need for thrombosis to form between the elements.