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187 results about "Abdominal aortic aneurysm" patented technology
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A bulge in the lower part of the aorta; the main blood vessel, found in the abdomen.
Means and method of replacing a heart valve in a minimally invasive manner
InactiveUS6042607AMinimally invasiveEfficient and effectiveSuture equipmentsHeart valvesLess invasive surgeryCuff
A heart valve can be replaced using minimally invasive methods which include a sutureless sewing cuff that and a fastener delivery tool that holds the cuff against the patient's tissue while delivering fasteners, two at a time to attach the cuff to the tissue from the inside out. The tool stores a plurality of fasteners. Drawstrings are operated from outside the patient's body and cinch the sewing cuff to the valve body. The cuff is releasably mounted on the tool and the tool holds the cuff against tissue and drives the fastener through the cuff and the tissue before folding over the legs of the fastener whereby secure securement between the cuff and the tissue is assured. At least two rows of staggered fasteners are formed whereby fasteners are located continuously throughout the entire circumference of the cuff. A minimally invasive surgical method is disclosed, and a method and tool are disclosed for repairing abdominal aortic aneurysms in a minimally invasive manner.
Owner:MEDTRONIC INC
Means and method of replacing a heart valve in a minimally invasive manner
A heart valve can be replaced using minimally invasive methods which include a sutureless sewing cuff that and a fastener delivery tool that holds the cuff against the patient's tissue while delivering fasteners to attach the cuff to the tissue from the inside out. The tool stores a plurality of fasteners and is self-contained whereby a fastener is delivered and placed all from inside a vessel. The fasteners are self-forming whereby they do not need an anvil to be formed. Anchor elements are operated from outside the patient's body to cinch a prosthesis to an anchoring cuff of the valve body. The cuff is releasably mounted on the tool and the tool holds the cuff against tissue and drives the fastener through the cuff and the tissue before folding over the legs of the fastener whereby secure securement between the cuff and the tissue is assured. Fasteners are placed and formed whereby fasteners are located continuously throughout the entire circumference of the cuff. A minimally invasive surgical method is disclosed, and a method and tool are disclosed for repairing abdominal aortic aneurysms in a minimally invasive manner. Fasteners that are permanently deformed during the process of attaching the cuff are disclosed as are fasteners that are not permanently deformed during the attaching process.
Owner:MEDTRONIC INC +1
Means and method of replacing a heart valve in a minimally invasive manner
InactiveUS20010044656A1Minimally invasiveLarge flow areaSuture equipmentsStentsLess invasive surgerySelf forming
A heart valve can be replaced using minimally invasive methods which include a sutureless sewing cuff that and a fastener delivery tool that holds the cuff against the patient's tissue while delivering fasteners to attach the cuff to the tissue from the inside out. The tool stores a plurality of fasteners and is self-contained whereby a fastener is delivered and placed all from inside a vessel. The fasteners are self-forming whereby they do not need an anvil to be formed. Anchor elements are operated from outside the patient's body to cinch a prosthesis to an anchoring cuff of the valve body. The cuff is releasably mounted on the tool and the tool holds the cuff against tissue and drives the fastener through the cuff and the tissue before folding over the legs of the fastener whereby secure securement between the cuff and the tissue is assured. Fasteners are placed and formed whereby fasteners are located continuously throughout the entire circumference of the cuff. A minimally invasive surgical method is disclosed, and a method and tool are disclosed for repairing abdominal aortic aneurysms in a minimally invasive manner. Fasteners that are permanently deformed during the process of attaching the cuff are disclosed as are fasteners that are not permanently deformed during the attaching process.
Owner:MEDTRONIC INC +1
Bilateral extension prosthesis and method of delivery
The invention is a system, apparatus, and method for treating, and / or repairing an aneurysm, preferably an aortic aneurysm, and most preferably, an abdominal aortic aneurysm. The systems, devices, and methods of the present invention include a prosthesis assembly for establishing a fluid flow path between an upstream portion of an artery and at least one bifurcated downstream portion of the artery.
Owner:CARDINAL HEALTH SWITZERLAND 515 GMBH
Components, systems and methods for forming anastomoses using magnetism or other coupling means
Owner:MEDTRONIC INC
Means and method of replacing a heart valve in a minimally invasive manner
Owner:MEDTRONIC INC
Devices and methods for treatment of abdominal aortic aneurysms
InactiveUS20090287145A1Minimize the possibilityReduce the overall diameterStentsSurgeryIliac arteryArtery aneurysm
Methods and devices with two individual tubes for treating abdominal aortic aneurysm that bypass the aneurysm and are placed from the upper aorta to the iliac arteries. A separate upper cuff may also be provided, to secure the tubes above the aneurysm.
Owner:ALTURA MEDICAL
Intravascular deliverable stent for reinforcement of abdominal aortic aneurysm
A stent / graft especially designed to be used in a minimally invasive surgical procedure for treating an abdominal aortic aneurysm (AAA) comprises an innermost tubular structure of a length (L1) formed by braiding a relatively few strands of shape memory alloy wire. The pick and pitch of the braid are such as to provide relative large fenestrations in the tubular wall. A portion of the innermost tubular structure of a length L2<L1 is surrounded by a further braided tubular structure having relatively many strands that occlude the fenestrations of the innermost tubular structure. The composite structure can be stretched to reduce the outer diameter of the stent / graft, allowing it to be drawn into a lumen of a delivery catheter. The catheter can then be advanced through the vascular system to the site of the AAA and then ejected, allowing it to self-expand with the portion L2 bridging the aneurysm. The portion L1>L2 does not block blood flow to the renal arteries while the portion L2 prevents the aneurysm to grown and burst.
Owner:ST JUDE MEDICAL CARDILOGY DIV INC
Abdominal aortic aneurysms: systems and methods of use
Delivery systems, components of delivery system, stent graft systems, stent graft delivery systems can be used to treat aortic aneurysms.
Owner:BOLTON MEDICAL INC
Interconnected leg extensions for an endoluminal prosthesis
An endoluminal prosthesis includes two stent grafts with a flexible bridge extending between and connected to the stent grafts. The prosthesis can be part of a prosthesis assembly for treatment of branched vascular systems and can function as an interconnected leg extension prosthesis in combination with a main bifurcated prosthesis. In treating abdominal aortic aneurysms, the prosthesis can be deployed within both iliac arteries.
Owner:COOK MEDICAL TECH LLC
Bifurcated graft with a superior extension
InactiveUS6964679B1Small sizeMinimize the possibilityStentsBlood vesselsEngineeringAbdominal aortic aneurysm
A bifurcated graft is formed from a series of individual components which are intraluminally delivered apart from one another and then assembled to form a fully supported structure. The modular system includes a base member and one or more grafts connected thereto. The base member preferably includes a portion which gradually increases in diameter. A tubular device for inserting the components of the modular system and a method employing the modular system for repairing an abdominal aortic aneurysm are also disclosed.
Owner:LIFEPORT SCI
Intravascular folded tubular endoprosthesis
InactiveUS20080132996A1Accurately determinePrecise positioningStentsBlood vesselsThree vesselsFocal line
A bifurcated or straight intravascular folded tubular member is deliverable percutaneously or by small cutdown to the site of a vascular lesion. Its inserted state has a smaller nondeployed diameter and a shorter nondeployed length. The intravascular tubular member has a folded tubular section that is unfolded following insertion into the blood vessel. The length of the intravascular folded tubular member is sized in situ to the length of the vessel lesion without error associated with diagnostic estimation of lesion length. The folded tubular member is self-expandable or balloon-expandable to a larger deployed diameter following delivery to the lesion site. An attachment anchor can be positioned at the inlet or outlet ends of the intravascular folded tubular member to prevent leakage between the tubular member and the native vessel lumen and to prevent migration of the tubular member. The attachment anchor has a short axial length to provide a more focal line of attachment to the vessel wall. Such attachment is valuable in attaching to a short aortic neck in the treatment of abdominal aortic aneurysm. The attachment anchor can have barbs which are held in a protected conformation during insertion of the tubular member and are released upon deployment of the attachment anchor. The intravascular tubular member can be formed of woven multifilament polymeric strands with metallic strands interwoven along with them. Double weaving is incorporated to prevent leakage at crossover points.
Owner:DRASLER WILLIAM J +1
Methods for treating endoleaks during endovascular repair of abdominal aortic aneurysms
InactiveUS6203779B1Decreased blood flowReducing or eliminating the possible rupture of the aneurysmCosmetic preparationsBiocideEndovascular prosthesisFluid composition
Disclosed are methods for treating endoleaks arising from endovascular repair of abdominal aortic aneurysms. The disclosed methods involve the in situ sealing of endoleaks after placement of an endovascular prostheses in the abdominal aorta. Sealing of endoleaks is achieved by injection of either a biocompatible polymer or prepolymer fluid composition into the endoleak which composition in situ solidifies to seal the leak. Preferably, the biocompatible fluid composition comprises a contrast agent to allow the clinician to visualize the sealing process.
Owner:TYCO HEALTHCARE GRP LP
Externally adjustable endovascular graft implant
InactiveUS20060212113A1Improve performanceReduce leakageStentsBlood vesselsRadio frequency energyAcoustic energy
A device, method, and system for treating abdominal aortic aneurysms is described, where the device is an endovascular graft implant that one or more adjustable elements. The adjustable elements provide improved performance, for example, reduced leaking. The adjustable elements are adjustable within the body of a patient in a minimally invasive or non-invasive manner such as by applying energy percutaneously or external to the patient's body. Examples of suitable types of energy include, for example, acoustic energy, radio frequency energy, light energy, and magnetic energy.
Owner:MICARDIA CORP
Abdominal aortic aneurysms: systems and methods of use
A stent graft delivery system includes an internal lead screw assembly within a track of a handle. The internal lead screw assembly is moveable along a major axis of the handle by rotation of a lead screw nut that extends about the handle and is threadably engaged with the threaded portion of the internal lead screw assembly. The lead screw nut is also slidable along the handle while engaged with the internal lead screw assembly. A stent graft system includes a proximal stent adjacent to a bare stent of angled struts joined by proximal and distal apices, wherein the proximal stent is nested within the bare stent.
Owner:BOLTON MEDICAL INC
Modular branch vessel stent-graft assembly
Modular branch vessel stent-graft assemblies for the treatment arterial or vascular disease at the branch of two or more arteries or blood flow passageways, including, for example, abdominal aortic aneurysms are assembled in a patient's trunk / parent artery, from at least two components; a first component and a second component. The first and second components each include a first and second window, or fenestration. The second component couples with the first component by fitting at least partially in the first component to form the modular branch vessel stent-graft assembly with two selectively locatable branch openings. As the first and second components are deployed, the second component is selectively position able relative to first component so that the first and second component first and second windows overlap to form two branch openings whose longitudinal and angular positions are selectable within a range.
Owner:MEDTRONIC VASCULAR INC
Prosthetic stent graft for treatment of abdominal aortic aneurysm
A prosthetic stent graft including a trunk with a vascular graft bifurcated into two flow channels. The flow channels have a first taper angle, decreasing area along its length between the bifurcation point and an outlet. A leg section of the stent graft includes a tubular vascular graft. An inlet of the leg section has a deployed diameter at least about the same size or larger than a deployed diameter of the outlet of the flow channels. The leg section has its own taper angle, preferably less than or about equal to, and more preferably about equal to the taper angle of the flow channel. The deployed diameter of the leg section inlet is preferably about the same size or larger than the deployed diameter of the flow channels adjacent the bifurcation point of the trunk section, and the deployed diameter of flow channel outlets are preferably about the same size or smaller than the deployed diameter of the leg section at an equal distance from the leg section inlet as the outlet is from bifurcation point. Also provided according to the present invention is a method of in situ stent graft sizing for the treatment of abdominal aortic aneurysm.
Owner:CORDIS CORP
Bifurcation graft deployment catheter
Disclosed is a deployment catheter for deploying a tubular endoluminal vascular prosthesis, useful in treating, for example, an abdominal aortic aneurysm. The deployment catheter includes a proximal tubular section and a distal tubular section which are axially movable in opposite directions to deploy a prosthesis. A central core extends throughout the proximal tubular section and into the distal tubular section. A reinforcing structure is carried by the central core, spanning the junction between the proximal tubular section and distal tubular section, to improve flexibility characteristics of the catheter. In one embodiment, the proximal tubular section and / or distal tubular section are rotationally linked to the central core.
Owner:ENDOLOGIX LLC
Self expanding bifurcated endovascular prosthesis
Disclosed is a bifurcated tubular endoluminal vascular prosthesis, useful in treating, for example, an abdominal aortic aneurysm. The prosthesis comprises a self expandable wire support structure surrounded at least in part by a flexible tubular membrane. A delivery catheter and methods are also disclosed.
Owner:ENDOLOGIX LLC
Method and device for automatically adapting a reference image
A method and a device for reference image adapting in the field of fluoroscopy-controlled interventional repair of abdominal aortic aneurisms on angiography systems are proposed. Displacements which can be brought about as a result of introducing instruments, such as when a stent is deployed in an aorta, are automatically corrected. It is also possible to correct such displacements which initially cannot be perceived in the image due to the angle of view.
Owner:SIEMENS HEALTHCARE GMBH
Reduced profile AAA device
An abdominal aortic aneurysm endoprosthesis having a reduced profile for percutaneous delivery of the endoprosthesis. The endoprosthesis provides a cranial section supported by a stent, and a bifurcated caudal section having at least two legs each of which are supported by individual stents. The individual stents of each leg of the caudal section are staggered so as not to line up with one another. Altering the lengths of the legs permits nesting of the endoprosthesis. Optimizing the expansion ratio and radial strength of the endoprosthesis is achieved by altering the dimensions of the starting material from which the stent segments are fabricated, by altering the final austentite temperature of the starting materials, or by changing the structural configuration of the stent segments. A graft material is attached to at least a portion of the cranial section and to all of the caudal section of the endoprosthesis.
Owner:CARDINAL HEALTH SWITZERLAND 515 GMBH
Bifurcation graft deployment catheter
Disclosed is a deployment catheter for deploying a tubular endoluminal vascular prosthesis, useful in treating, for example, an abdominal aortic aneurysm. The deployment catheter includes a proximal tubular section and a distal tubular section which are axially movable in opposite directions to deploy a prosthesis. A central core extends throughout the proximal tubular section and into the distal tubular section. A reinforcing structure is carried by the central core, spanning the junction between the proximal tubular section and distal tubular section, to improve flexibility characteristics of the catheter. In one embodiment, the proximal tubular section and / or distal tubular section are rotationally linked to the central core.
Owner:ENDOLOGIX LLC
AAA repair device with aneurysm sac access port
An abdominal aortic aneurysm repair device having an access port may be utilized to percutaneously access the aneurismal sac without disturbing the repair. The access port has a self-sealing member for maintaining the port in the normally closed position. The insertion of a percutaneous device into the port opens the port.
Owner:CARDINAL HEALTH SWITZERLAND 515 GMBH
Prosthesis comprising dual tapered stent
The present invention is directed to a prosthesis for treating, repairing, and / or replacing an abdominal aortic aneurysm. The prosthesis includes a stent having a first end and a second end with an intermediate section therebetween. The first and seconds ends each include an anchor, wherein one or both anchor(s) has a diameter that is larger than the diameter of the intermediate section. The prosthesis also comprises graft material engaging at least a portion of the stent. The present invention is also directed to a prosthesis for repairing an aneurysm comprising a stent having a first end and a second end with an intermediate section disposed therebetween. The first and second ends each include means for sealing the respective ends to a structure, wherein the intermediate section has a diameter that is smaller than the diameter of the first or second end. Graft material engages at least a portion of the stent.
Owner:CARDINAL HEALTH SWITZERLAND 515 GMBH
Variable weave graft with metal strand reinforcement for in situ fenestration
The disclosure relates to an implantable woven graft for bridging a defect in a main vessel near one or more branch vessels. The graft includes a region of reduced density. Reduced density regions are alignable with at least one of the one or more branch vessels, and are suitable for in situ fenestration, for example by perforation. The disclosed examples are particularly suited for bridging abdominal aortic aneurysms.
Owner:COOK MEDICAL TECH LLC
Endovascular prostethic devices having hook and loop structures
InactiveUS6986786B1Effective and minimally-invasiveUseful in treatmentStentsSurgeryStent graftingEndovascular prosthesis
The prostheses include an endovascular member in need of repair and a patch therefore, as well as prostheses including two or more endovascular members, such as stent-grafts, which may be assembled in situ. Components of the prostheses are held together in substantially fluid tight engagement as the result of hook and loop structures which are present on the members. The hooks engage the loops to secure the components to one another. As a result, the present invention is particularly useful for the in situ repair of damaged prostheses and for the in situ assembly of bifurcated endovascular prostheses, particularly for the treatment of abdominal aortic aneurysms.
Owner:SCI MED LIFE SYST +1
Method and apparatus for bilateral intra-aortic bypass
InactiveUSRE38146E1Mortality rate is decreasedShorten the recovery periodStentsEar treatmentAortic bypassAbdominal aortic aneurysm
A bilateral intra-aortic bypass graft and method and apparatus for repairing an abdominal aortic aneurysm includes two tubular grafts which are intraluminally delivered to the aorta and secured to the aorta by the expansion and deformation of two expandable and deformable tubular members.
Owner:CARDINAL HEALTH SWITZERLAND 515 GMBH
Endoluminal graft
An endoluminal graft includes a unitary tube of graft material forming two adjacent legs that are integral and monolithic to each other. The graft can be part of a prosthesis assembly for treatment of branched vascular systems and can function as an integral bifurcated leg extension prosthesis in combination with a main bifurcated prosthesis. In treating abdominal aortic aneurysms, the graft can be deployed within both iliac arteries.
Owner:COOK MEDICAL TECH LLC
Methods for treating endoleaks during endovascular repair of abdominal aortic aneurysms
InactiveUS6475466B1Reduce molecular weightEasy to adjustBiocideSurgical adhesivesEndovascular prosthesisFluid composition
Disclosed are methods for treating endoleaks arising from endovascular repair of abdominal aortic aneurysms. The disclosed methods involve the in situ sealing of endoleaks after placement of an endovascular prostheses in the abdominal aorta. Sealing of endoleaks is achieved by injection of either a biocompatible polymer or prepolymer fluid composition into the endoleak which composition in situ solidifies to seal the leak. Preferably, the biocompatible fluid composition comprises a contrast agent to allow the clinician to visualize the sealing process.
Owner:COVIDIEN LP
Partial aortic occlusion devices and methods for cerebral perfusion augmentation
InactiveUS20050124849A1Decreased blood flowFlow of bloodMedical devicesHeart stimulatorsAtherectomyArterial occlusions
Methods are provided for partial aortic obstruction for cerebral perfusion augmentation in patients suffering from global or focal cerebral ischemia. Alternatively, the methods can be used to partially obstruct aortic blood flow to condition the spinal cord to secrete neuroprotective agents prior to abdominal aortic aneurysm repair. Partial obstruction of a vessel can be accomplished by a device comprising an elongate catheter and a distally mounted expandable member. The expandable member may comprise one or two balloons. Other medical devices, such as an angioplasty, stent, or atherectomy catheter, can be inserted distal the expandable member to provide therapeutic intervention.
Owner:ZOLL CIRCULATION
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