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98 results about "Blood vessel occlusion" patented technology
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General term for blockage of blood flow through arteries or veins; do not confuse with the blockages that are used with therapeutic intent for this use THERAPEUTIC BLOOD VESSEL OCCLUSION.
Ultrasound catheter devices and methods
ActiveUS7220233B2Accelerated destructionPrevent rotationUltrasonic/sonic/infrasonic diagnosticsCannulasBlood vessel occlusionGuide tube
Owner:FLOWCARDIA
Steerable ultrasound catheter
ActiveUS7335180B2Accelerated destructionIncrease flexibilityUltrasonic/sonic/infrasonic diagnosticsCatheterBlood vessel occlusionCatheter device
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Ultrasound catheter devices generally include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. Improved features of ultrasound catheters include catheter bodies and ultrasound transmission members with increasing distal flexibility, guidewire tubes allowing contact between a guidewire and an ultrasound transmission member, distal heads with improved guidewire lumens, and torquable proximal housings for enhancing disruption of blood vessel occlusions.
Owner:FLOWCARDIA
Barrier device for ostium of left atrial appendage
InactiveUS6949113B2Effective isolationPrevent escapeElectrocardiographyDilatorsBlood vessel occlusionThrombus
Owner:BOSTON SCI SCIMED INC
Ultrasound catheter for disrupting blood vessel obstructions
InactiveUS7137963B2Accelerated destructionImprove abilitiesChiropractic devicesMedical devicesBlood vessel occlusionGuide wires
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, an ultrasound catheter includes an elongate flexible catheter body with one or more lumens. An ultrasound transmission member or wire extends longitudinally through the catheter body lumen and, in many embodiments, a guide wire tube also extends through the same lumen. A distal head is fixed to or otherwise mechanically coupled with the distal end of the ultrasound transmission member or wire and is positioned adjacent the distal end of the catheter body. Although the distal end of the catheter body overlaps the distal head, the distal head is not directly affixed to the distal end of the catheter body. Thus, the distal tip may move freely, relative to the distal end of the catheter body when ultrasonic energy is applied through the ultrasound transmission member. Such a freely floating distal head enhances the efficiency of an ultrasound catheter, enabling the catheter to ablate calcific occlusions and increasing the useful life of the ultrasound transmission member and catheter.
Owner:FLOWCARDIA
Vessel occlusion device for embolic protection system
A system used in a blood vessel when an interventional procedure is being performed in a stenosed or occluded region, which is capable of capturing embolic material which may be released into a blood vessel during a therapeutic interventional procedure at the site of a lesion in the blood vessel. The system is adapted to be utilized in a collateral blood supply system adapted to enable the flow of blood to bypass the blood vessel upon blocking thereof and to enable the reverse flow of blood through the blood vessel upon unblocking thereof. The system includes a guide wire, including a distal end, adapted to be positioned in a blood vessel relative to an interventional procedure site. A guide catheter, including a distal end, is adapted to enable the interventional procedure to be performed, and to be inserted over the guide wire and through a patient's vasculature to a position in the blood vessel relative to the interventional procedure site. An occluding device for occluding and blocking a blood vessel at a location relative to the interventional procedure site is adapted to be positionable at a location relative to he interventional procedure site, to be expandable so as to prevent and block the flow of blood past the occlusion, and to enable the capture of embolic material which may be released into the blood in the blood vessel during the therapeutic interventional procedure, and to be contracted to unblock the blood vessel and enable the recovery of captured embolic material.
Owner:ABBOTT CARDIOVASCULAR
High Torque, Low Profile Catheters and Methods for Transluminal Interventions
ActiveUS20080125748A1Raise the possibilitySmall diameterGuide needlesMulti-lumen catheterBlood vessel occlusionPartial obstruction
Catheter devices having low profile shafts and laterally deployable members (e.g., cannulas, needles, etc.) that may be extended or advanced laterally from the catheter shaft. Also disclosed are methods for bypassing a vascular obstruction (e.g., a chronic total occlusion or other full or partial obstruction) wherein a guidewire is entrapped in a subintimal space adjacent to the obstruction. A catheter of the foregoing character is advanced over the entrapped guidewire and into the subintimal space. The laterally deployable member is then advanced or extended from the subintimal space back into the true lumen of the blood vessel distal to the obstruction. A second guidewire is then advanced through or along the laterally deployable member. The catheter and first guidewire are then removed and one or more working device(s) (balloons, atherectomy devices, setnts, etc.) is / are advanced over the second guidewire and used to establish a subintimal bypass channel through which blood may flow around the obstruction.
Owner:MEDTRONIC VASCULAR INC
Vascular occlusion systems and methods
InactiveUS20050065531A1Avoid heat damageSimple processUltrasound therapyElectrotherapyBiomedical engineeringVaricose veins
A blood vessel occlusion system and method includes a handheld probe including a power source, the probe being adapted to transmit energy from the power source through a body surface and into a target blood vessel, for example a varicose vein. Further included is a manual or automatic switch mechanism adapted to enable and disable the power source in response to a predetermined level of compression applied, by means of the probe against the target blood vessel. When the blood vessel is compressed sufficiently to collapse and substantially slow or substantially prevent a flow of blood therethrough, the power source is activated and the vessel is cauterized, leaving the blood vessel in a condition that is resistant to recanalization.
Owner:VANDOLAY INC
Steerable ultrasound catheter
ActiveUS20050113688A1Accelerated destructionIncrease flexibilityUltrasonic/sonic/infrasonic diagnosticsCatheterBlood vessel occlusionUltrasound
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Ultrasound catheter devices generally include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. Improved features of ultrasound catheters include catheter bodies and ultrasound transmission members with increasing distal flexibility, guidewire tubes allowing contact between a guidewire and an ultrasound transmission member, distal heads with improved guidewire lumens, and torquable proximal housings for enhancing disruption of blood vessel occlusions.
Owner:FLOWCARDIA
Blood vessel occlusion auger
InactiveUS20070083220A1Enhance reduced dimensionObstruct passageCannulasDilatorsBlood vessel occlusionMedicine
A blood occlusion auger having an in vivo distal auger tool coupled in operative association with an ex vivo auger control for opening and traversing occlusions in a blood vessel The auger control allows the selection of predetermined threshold forces and step-lengths values and operates in successive repetition of identical sequential stages, to traverse occlusions. Once disposed adjacent an occlusion, the auger tool, commanded by the auger control, operates in two states, first to radially dilate the vessel and second to penetrate distally into a furrow.
Owner:OVALUM LTD
Device and method for control of hemorrhage
ActiveUS20130110019A1Reduce fracturesStabilizing pelvisRestraining devicesTourniquetsTourniquet timePelvic sling
A junctional and truncal tourniquet and a hip-girdling pelvic sling device for maintaining a desired amount of tension surrounding a person's hips and pelvis to securely support and stabilize a pelvis that has been fractured and for securing a pressure applying device to a person with a preferred amount of tension so that blood vessel-occluding pressure can be applied. Areas of mating types of fastener material such as mating hook-bearing fastener material and loop pile fastener material are arranged on the device to enable a strap to be secured at various effective lengths to provide a wide range of adjustability. The device may include inflatable bladders, and may be wrapped around a patient's torso to occlude blood vessels proximal to an injury on a limb. A bladder may be expandable in distinct tiers and may carry a separate and removable pressure-concentrating fitting. An auxiliary strap may be included and may be used to keep the junctional and truncal tourniquet in place on a patient's torso.
Owner:THE SEABERG
Percutaneous or surgical radiofrequency intravascular thrombectomy catheter system and method
InactiveUS7749220B2Enable pushabilityEnable trackabilitySurgical instruments for heatingBlood vessel filtersBlood vessel occlusionProximate
The present disclosure relates to intravascular thrombectomy systems and methods for ablating a blockage and preventing the introduction of emboli into the blood stream during and after surgery performed to reduce or ablate the blockage in a blood vessel. The system includes a catheter sleeve having electrodes disposed proximate a distal end portion thereof, either at the distal end itself or axially spaced along the length of the catheter sleeve. The system further includes a capture element which is expandable to span the lumen of the vessel. The capture element is deployable downstream of the blockage. The electrodes of the catheter sleeve may be placed on one side of the blockage or on either side of the blockage.
Owner:COVIDIEN AG
Ultrasound catheter and methods for making and using same
InactiveUS20100023037A1Accelerated destructionFacilitate positioning and advancementCannulasCatheterBlood vessel occlusionThree vessels
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and, in some embodiments, a guidewire tube extending through the lumen. A distal head for disrupting occlusions is coupled with the distal end of the ultrasound transmission member and is positioned adjacent the distal end of the catheter body. Some embodiments include improved features such as a bend in the catheter body for enhancing positioning and / or advancement of the catheter.
Owner:FLOWCARDIA
Microvascular obstruction detection and therapy
A method of detecting and treating a microvascular obstruction is provided. In one embodiment, a catheter is provided for both detecting the microvascular obstruction and treating or removing the obstruction.
Owner:OSPREY MEDICAL
Embolism protection device
Disclosed herein are systems and methods for protecting a subject from embolisms during TAVI and other percutaneous valve procedures. Some embodiments include two flexible catheters designed to pass over a guidewire into two separate arteries, such as carotid or innominate arteries, each flexible catheter including a vessel blocking mechanism and a bypass feature that prevents ischemia while the vessel blocking mechanism is in use. Other embodiments include a single, bifurcated flexible catheter having two arms, each of which is configured to protect a different artery. In some embodiments, each arm includes a vessel blocking mechanism and a bypass feature that prevents ischemia while the vessel blocking mechanism is in use. In some embodiments, the systems also may include one or more concentric guidewires.
Owner:CLARET MEDICAL
Methods and apparatuses for blood vessel occlusion
ActiveUS20140222059A1Prevent movementEasy to placeDilatorsOcculdersBlood vessel occlusionDistal portion
An occlusion device delivery system and methods are provided in which an expandable coiled implant can be delivered using the delivery system. The system can comprise a catheter having a lumen extending between distal and proximal portions. The distal portion can have proximal and distal apertures extending through a wall of the catheter. The expandable coiled implant, which can be wound about the distal portion, can have a proximal section that extends within the proximal aperture and a distal section that can extend radially within the distal aperture. Further, the system can comprise an elongate member that extends through the lumen and engages and radially restrains the at least one of the proximal and distal sections within its respective aperture while engaged with the member.
Owner:ARTVENTIVE MEDICAL GROUP
Ultrasound catheter devices and methods
ActiveUS20070038158A1Improve visualizationAccelerated destructionSurgeryChiropractic devicesBlood vessel occlusionCatheter device
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and a distal head coupled with the transmission member and positioned adjacent the distal end of the catheter body for disrupting occlusions. Improved features of ultrasound catheters include prevention of independent rotation of the ultrasound transmission member, a safety anchor for the distal head, a one-piece transmission member / distal head and the like.
Owner:FLOWCARDIA
Amelioration of ischemic damage using synthetic oxygen carriers
InactiveUS20050049359A1Low toxicityReduce surface tensionInorganic non-active ingredientsPharmaceutical delivery mechanismBlood vessel occlusionWhole body
A method of ameliorating tissue damage resulting from hypoxia or ischemia by administering systemically a synthetic oxygen carrier to an individual having or suspected of having blood vessel obstruction is disclosed. A synthetic oxygen carrier in a physiologically acceptable vehicle, wherein the synthetic oxygen carrier comprises submicron sized particles capable of passing through emboli-obstructed blood vessels is also disclosed.
Owner:KEIPERT PETER E +3
Blood vessel occlusion
ActiveUS20140257369A1Easy to placeEasy to deployDilatorsOcculdersBlood vessel occlusionDistal portion
An occlusion device delivery system can deliver an expandable coiled implant using a catheter. A distal portion of the catheter has proximal and distal apertures extending through a wall of the catheter. The expandable coiled implant is wound about the distal portion and has a proximal section that extends within the proximal aperture and a distal section that can extend radially within the distal aperture. Further, the system has an elongate member that extends through the lumen and engages and radially restrains the at least one of the proximal and distal sections within its respective aperture while engaged with the member.
Owner:ARTVENTIVE MEDICAL GROUP
Ultrasonic method, system, and device for diagnosis of stroke
InactiveUSRE42803E1Easy to detectReduce signal lossUltrasound therapyBlood flow measurement devicesBlood vessel occlusionRadiology
A medical diagnostic method, system and related equipment particularly adapted to diagnose disorders of the blood circulation serving the head and neck, and especially the brain. A preferred use of the system is early, rapid, accurate, diagnosis of stroke, especially whether the stroke is due to blockage of a blood vessel or leakage from the blood vessel.
Owner:KONINKLIJKE PHILIPS ELECTRONICS NV
Ultrasound catheter for disrupting blood vessel obstructions
InactiveUS20070021691A1Accelerated destructionImprove abilitiesChiropractic devicesMedical devicesBlood vessel occlusionCoelom
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, an ultrasound catheter includes an elongate flexible catheter body with one or more lumens. An ultrasound transmission member or wire extends longitudinally through the catheter body lumen and, in many embodiments, a guide wire tube also extends through the same lumen. A distal head is fixed to or otherwise mechanically coupled with the distal end of the ultrasound transmission member or wire and is positioned adjacent the distal end of the catheter body. Although the distal end of the catheter body overlaps the distal head, the distal head is not directly affixed to the distal end of the catheter body. Thus, the distal tip may move freely, relative to the distal end of the catheter body when ultrasonic energy is applied through the ultrasound transmission member. Such a freely floating distal head enhances the efficiency of an ultrasound catheter, enabling the catheter to ablate calcific occlusions and increasing the useful life of the ultrasound transmission member and catheter.
Owner:FLOWCARDIA
Occlusion Bypassing Apparatuses and Methods for Bypassing an Occlusion in a Blood Vessel
Occlusion bypassing apparatuses are disclosed for re-entering the true lumen of a vessel after subintimally bypassing an occlusion in a vessel. The occlusion bypassing apparatuses include a shaft component and a needle component slidably disposed within the shaft component and having an angled configuration when deployed. In embodiments hereof, the needle component has an angled distal tip segment that may be utilized to selectively bend a flexible distal portion of the shaft component in order to extend the flexible distal portion towards the true lumen of the vessel. The needle component is distally advanced relative to the shaft component to pierce through the intima of the vessel and thereafter enter the true lumen.
Owner:INVATEC
Occlusion device with deployable paddles for detection and occlusion of blood vessels
InactiveUS7354444B2Reduce and abolish blood flowEfficient retentionBlood flow measurement devicesCatheterBlood vessel occlusionUterine Disorder
Devices, systems and methods for temporarily reducing or abolishing blood flow by occluding blood vessels are provided. A blood vessel-occlusion device embodying features of the invention includes a deployable pressure-applying member with a location sensor, and an applicator. The location sensor is configured to detect a blood vessel, which may be occluded by compression from the pressure-applying member. A pressure-applying member may be released from the applicator, with blood-vessel compression maintained after release. The applicator is configured to engage a guide, such as a tenaculum, to aid in the placement and operation of the applicator. A pressure-applying member may also engage the guide. The invention finds use in, for example, treating uterine disorders and conditions which may be treated by occlusion of the uterine arteries, such as uterine fibroids, dysfunctional uterine bleeding, post-partum hemorrhage, and bleeding associated with caesarian section.
Owner:VASCULAR CONTROL SYST
Ultrasound catheter and methods for making and using same
InactiveUS20100022920A1Accelerated destructionFacilitate positioning and advancementUltrasound therapySurgeryBlood vessel occlusionMedicine
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and, in some embodiments, a guidewire tube extending through the lumen. A distal head for disrupting occlusions is coupled with the distal end of the ultrasound transmission member and is positioned adjacent the distal end of the catheter body. Some embodiments include improved features such as a bend in the catheter body for enhancing positioning and / or advancement of the catheter.
Owner:FLOWCARDIA
Catheter for Use in Revascularization Procedures and Method of Using Same
Owner:NEURODYNAMICS
Ultrasound catheter and methods for making and using same
InactiveUS20100023036A1Accelerated destructionFacilitate positioning and advancementCannulasCatheterBlood vessel occlusionThree vessels
Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and, in some embodiments, a guidewire tube extending through the lumen. A distal head for disrupting occlusions is coupled with the distal end of the ultrasound transmission member and is positioned adjacent the distal end of the catheter body. Some embodiments include improved features such as a bend in the catheter body for enhancing positioning and / or advancement of the catheter.
Owner:FLOWCARDIA
Expandable medical device and method for treating chronic total occlusions with local delivery of an angiogenic factor
A method for treating blood vessel occlusions in the heart delivers an angiogenic agent from an implantable device locally to the walls of the blood vessel over an extended administration period sufficient to establish self sustaining blood vessels. An expandable medical device for delivery of angiogenic agents includes openings in the expandable medical device struts to deliver one or more angiogenic agents to promote angiogenesis. The device can sequentially deliver a plurality of agents to promote angiogenesis to treat, for example, disorders and conditions associated with chronic total occlusions.
Owner:INNOVATIONAL HLDG LLC
Biodegradable blood vessel occlusion and narrowing
A biodegradable blood vessel narrowing device, comprising: a biodegradable element; an anchoring element; wherein said anchoring element is anchored to a blood vessel wall and at least one external dimension of said biodegradable element is reduced upon biodegradation of said biodegradable element thereby pulling said blood vessel walls toward one another.
Owner:V V T MED
Device for Traversing Vessel Occlusions and Method of Use
InactiveUS20160183963A1Improve delivery vibration forceMinimizes penetration forceCannulasMedical devicesBlood vessel occlusionBiomedical engineering
An apparatus, system, and method for re-canalization or opening a passage through an occlusion in a blood vessel is provided. The apparatus and method, which are appropriate for cardiovascular and peripheral vessels, use a pulling member and a spring element, for example a compression spring, to oscillate a distal component disposed at a distal end of the spring element. The apparatus further includes a sleeve covering the spring element and at least a portion of the distal component. The sleeve may reduce friction between the spring element and the vessel lumen as the spring element vibrates during operation of the apparatus. The sleeve may also serve to protect or seal the spring element from blood and / or plaque debris that is loosened from an occlusion during a re-canalization procedure.
Owner:MEDINOL LTD
Blood vessel occlusion auger
A blood occlusion auger having an in vivo distal auger tool coupled in operative association with an ex vivo auger control for opening and traversing occlusions in a blood vessel The auger control allows the selection of predetermined threshold forces and step-lengths values and operates in successive repetition of identical sequential stages, to traverse occlusions. Once disposed adjacent an occlusion, the auger tool, commanded by the auger control, operates in two states, first to radially dilate the vessel and second to penetrate distally into a furrow.
Owner:OVALUM LTD
Occlusion Bypassing Apparatuses and Methods for Bypassing an Occlusion in a Blood Vessel
Occlusion bypassing apparatuses are disclosed for re-entering the true lumen of a vessel after subintimally bypassing an occlusion in a vessel. The occlusion bypassing apparatuses include a shaft component and a needle component slidably disposed within the shaft component and having an angled configuration when deployed. In embodiments hereof, the needle component has an angled distal tip segment that may be utilized to selectively bend a flexible distal portion of the shaft component in order to extend the flexible distal portion towards the true lumen of the vessel. The needle component is distally advanced relative to the shaft component to pierce through the intima of the vessel and thereafter enter the true lumen.
Owner:INVATEC
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