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39 results about "Ivc filter" patented technology
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Retrievable IVC filter
Retrievable vena cava filters for filtering blood clots within a vessel are disclosed. A retrievable vena cava filter in accordance with an exemplary embodiment of the present invention may include a plurality of elongated filter legs each having a hook portion configured to engage the vessel wall, and an expandable member releasably connected to the filter. In certain embodiments, the expandable member may comprise a bendable member and several tubular members, or a coiled wire.
Owner:LIFESCREEN SCI
Ivc filter with translating hooks
A filter with translating hooks is described. The filter can include strut members having first and second struts connected by a connecting portion. A translating hook is disposed adjacent the connecting portion of the strut members, the hook including a first elongate member attached at one end to the first strut and a second elongate member attached at one end to a second strut, the opposite ends of the elongate members connected together to define a tip. The translating hooks are configured to bend toward a central axis of the filter when the filter is in a collapsed configuration for delivery to a blood vessel and recovery from a blood vessel, and away from the central axis of the filter when the filter is in an expanded configuration within a blood vessel such that the hooks engage a vessel wall.
Owner:CR BARD INC
IVC Filter with Translating Hooks
A filter with translating hooks is described. The filter can include strut members having first and second struts connected by a connecting portion. A translating hook is disposed adjacent the connecting portion of the strut members, the hook including a first elongate member attached at one end to the first strut and a second elongate member attached at one end to a second strut, the opposite ends of the elongate members connected together to define a tip. The translating hooks are configured to bend toward a central axis of the filter when the filter is in a collapsed configuration for delivery to a blood vessel and recovery from a blood vessel, and away from the central axis of the filter when the filter is in an expanded configuration within a blood vessel such that the hooks engage a vessel wall.
Owner:CR BARD INC
Retrievable ivc filter
Retrievable vena cava filters for filtering blood clots within a vessel are disclosed. A retrievable vena cava filter in accordance with an exemplary embodiment of the present invention may include a plurality of elongated filter legs each having a hook portion configured to engage the vessel wall, and an expandable member releasably connected to the filter. In certain embodiments, the expandable member may comprise a bendable member and several tubular members, or a coiled wire.
Owner:LIFESCREEN SCI
IVC filter with translating hooks
Owner:CR BARD INC
Staged release of ivc filter legs
A catheter for stage-delivering a vena cava filter within a body lumen is disclosed. The catheter may comprise an elongated tubular member having a proximal section, a distal section, and an inner lumen configured to receive an intravascular filter. One or more notches or slits radially disposed about the distal end of the catheter may be utilized to stage-deploy the filter within the body. Several grooves or indentations disposed along an inner surface of the catheter may also be employed.
Owner:LIFESCREEN SCI
Indwelling Temporary IVC Filter System With Drug Delivery and Aspiration
InactiveUS20110106135A1Inhibition of dissolutionInhibition formationSurgeryDilatorsVeinInferior vena cava filter
Indwelling temporary inferior vena cava filter systems are disclosed. Such filter systems provide for easy removal of the filter without the need for additional invasive procedures and provide for dissolution and aspiration of captured emboli. Methods of using such systems for the dissolution, capture and removal of emboli are described.
Owner:MEDTRONIC VASCULAR INC
Absorbable Vascular Filter
An absorbable vascular filter is disclosed for deployment within a vessel for temporary filtering of body fluids. A preferred embodiment is the placement of such absorbable vascular filter within the inferior vena cava (IVC) to filter emboli for the prevention of pulmonary embolism for a limited duration in time. Once protection from PE is complete, the filter is biodegraded according to a planned schedule determined by the absorption properties of the filter components. Hence the temporary absorbable vascular filter obviates the long term complications of permanent IVC filters such as increased deep vein thrombosis, neighboring organ puncture from filter fracture and embolization while also circumventing the removal requirement of metal retrievable IVC filters.
Owner:ADIENT MEDICAL
Ivc filter catheter with imaging modality
ActiveUS20130190803A1Easy to optimizeEnhance the imageUltrasonic/sonic/infrasonic diagnosticsMulti-lumen catheterImaging modalitiesIvc filter
A combined multi-lumen central access catheter and an embolic filter, further comprising an imaging modality to facilitate intravascular imaging of the filter.
Owner:BIO2MEDICAL
Absorbable Vascular Filter
An absorbable vascular filter is disclosed for deployment within a vessel for temporary filtering of body fluids. A preferred embodiment is the placement of such absorbable vascular filter within the inferior vena cava (IVC) to filter emboli for the prevention of pulmonary embolism for a limited duration in time. Once protection from PE is complete, the filter is sequentially biodegraded according to a planned schedule determined by the absorption properties of the filter components. Hence the temporary absorbable vascular filter obviates the long term complications of permanent IVC filters such as increased deep vein thrombosis, while also circumventing the removal requirement of metal retrievable IVC filters.
Owner:ADIENT MEDICAL
IVC filter with translating hooks
A filter with translating hooks is described. The filter can include strut members having first and second struts connected by a connecting portion. A translating hook is disposed adjacent the connecting portion of the strut members, the hook including a first elongate member attached at one end to the first strut and a second elongate member attached at one end to a second strut, the opposite ends of the elongate members connected together to define a tip. The translating hooks are configured to bend toward a central axis of the filter when the filter is in a collapsed configuration for delivery to a blood vessel and recovery from a blood vessel, and away from the central axis of the filter when the filter is in an expanded configuration within a blood vessel such that the hooks engage a vessel wall.
Owner:CR BARD INC
Inferior vena cava filter
An inferior Vena Cava (“IVC”) filter is formed of two adjacent structures such as polyhedral, each having a number of sides positioned to avoid side-wise contact with the caval wall. The structures form a first filter basket and a second filter basket respectively, with the filter baskets joined by a center structure around a center axis of the IVC filter. In this configuration, the IVC filter advantageously self-aligns within the IVC, while permitting bidirectional or directionally independent deployment, use, and retrieval. While polyhedra may usefully be configured with no sides parallel to the IVC wall to mitigate attachment to the IVC wall, the structures of the filter baskets may also or instead use curved members distal to the center axis that contact the IVC wall only at a single tangent point or area.
Owner:WANG DANIEL SHENG
Ivc filter catheter with imaging modality
ActiveUS20140005529A1Enhance the imageSpecifically and accurately targetedUltrasonic/sonic/infrasonic diagnosticsMulti-lumen catheterImaging modalitiesMedicine
A combined multi-lumen central access catheter and an embolic filter, further comprising an imaging modality to facilitate intravascular imaging of the filter.
Owner:BIO2MEDICAL
Indwelling Temporary IVC Filter System with Aspiration
Indwelling temporary inferior vena cava filter systems are disclosed. Such filter systems provide for easy removal of the filter without the need for additional invasive procedures and provide for aspiration of captured emboli. Methods of using such systems for the capture and removal of emboli are described.
Owner:MEDTRONIC VASCULAR INC
Ivc filter retrieval systems with releasable capture feature
Funnel-trap type devices or systems made of braid are described for capture and retrieval or, instead, capture and subsequent release of Inferior Vena Cava (IVC) filters or other medical devices. Delivery and / or retrieval devices, kits in which they are included, methods of use and methods of manufacture are all contemplated.
Owner:ALTAI MEDICAL TECH
IVC Filter With Drug Delivery
Retrievable inferior vena cava filters are disclosed. Such filters provide for easy removal of the filter and provide drug delivery for dissolution of captured emboli. Methods of using such systems for the prevention, capture, dissolution and removal of emboli are described.
Owner:MEDTRONIC VASCULAR INC
Absorbable vascular filter
ActiveCN103458826APrevent pulmonary embolismShort retention timeStentsMachines/enginesVeinVascular filter
An absorbable vascular filter is disclosed for deployment within a vessel for temporary filtering of body fluids. A preferred embodiment is the placement of such absorbable vascular filter within the inferior vena cava (IVC) to filter emboli for the prevention of pulmonary embolism for a limited duration in time. Once protection from PE is complete, the filter is biodegraded according to a planned schedule determined by the absorption properties of the filter components. Hence the temporary absorbable vascular filter obviates the long term complications of permanent IVC filters such as increased deep vein thrombosis, neighboring organ puncture from filter fracture and embolization while also circumventing the removal requirement of metal retrievable IVC filters.
Owner:ADIENT MEDICAL
Multi lumen IVC filter retrieval device
A device for retrieving items endovascularly includes a sheath having a first lumen containing a snare that can be deployed out a distal end of the sheath and retracted back into the sheath for pulling an IVC filter into the sheath. The sheath has a second lumen that opens through a sidewall of the sheath proximal of the distal end. The second lumen contains a removal assist device that can be deployed through the sidewall and used to dislodge and / or cut an item to be retrieved from a vein wall. The removal assist device includes a catheter, a cutting head, and a pull wire. The pull wire has a proximal portion protruding from a proximal end of the catheter and a distal end connected to the cutting head. The pull wire is movable within the catheter to selectively extend and retract the cutting head from the distal end of the catheter.
Owner:PURSLEY MATT D
IVC filter retrieval systems with multiple capture modes
Funnel-trap type delivery and / or retrieval devices for temporary Inferior Vena Cava (IVC) filters or other medical implants or foreign bodies are described. These may employ a locking sheath or a proximal-aperture capture feature or features for IVC filter (or other device) retrieval.
Owner:ALTAI MEDICAL TECH
Absorbable vascular filter
An absorbable vascular filter is disclosed for deployment within a vessel for temporary filtering of body fluids. An embodiment is configured for the placement of such absorbable vascular filter within the inferior vena cava (IVC) to filter emboli for the prevention of pulmonary embolism (PE) for a limited duration in time. Once protection from PE is complete, the filter is biodegraded according to a planned schedule determined by the absorption properties of the filter components. Hence the temporary absorbable vascular filter obviates the long term complications of permanent IVC filters such as increased deep vein thrombosis, neighboring organ puncture from filter fracture and embolization while also circumventing the removal requirement of metal retrievable IVC filters.
Owner:ADIENT MEDICAL
Ivc filter retrieval system sheath improvements
Funnel-trap type delivery and / or retrieval devices for Inferior Vena Cava (IVC) filters or other medical implants are described with associated sheaths. The sheaths are used in progressive recapture and / or embolic protection methods or in association with such features.
Owner:ALTAI MEDICAL TECH
Ivc filter retrieval systems with multiple capture modes
Funnel-trap type delivery and / or retrieval devices for temporary Inferior Vena Cava (IVC) filters or other medical implants or foreign bodies are described. These may employ a locking sheath or a proximal-aperture capture feature or features for IVC filter (or other device) retrieval.
Owner:ALTAI MEDICAL TECH
Staged release of IVC filter legs
A catheter for stage-delivering a vena cava filter within a body lumen is disclosed. The catheter may comprise an elongated tubular member having a proximal section, a distal section, and an inner lumen configured to receive an intravascular filter. One or more notches or slits radially disposed about the distal end of the catheter may be utilized to stage-deploy the filter within the body. Several grooves or indentations disposed along an inner surface of the catheter may also be employed.
Owner:LIFESCREEN SCI
Hair pin ivc filter
ActiveUS20160120633A1Reduce fatigueEasy to disassembleSurgeryDilatorsIvc filterBiomedical engineering
The disclosure provides a hair pin IVC filter device and a method to retrieve said device from the vena cava. The device comprises a tubular backbone slidably disposed relative to a hub with a bore formed therethrough. A plurality of filter legs are each attached to the hub. Each filter leg has a first arcuate segment extending arcuately to a second arcuate segment. The first and second arcuate segments provide flexibility to the device when implanted for filtering in the vena cava. Upon retrieval, each filter leg may be converted from a hair pin position to a substantially straight position to remove the filter device from any endothelialized tissue.
Owner:COOK MEDICAL TECH LLC
Absorbable vascular filter
Owner:ADIENT MEDICAL
Interventional radiologic devices and methods for embedded filter removal
An interventional radiologic device for removal of an embedded filter is provided. The device distinguishes a laser sheath with optical fibers for applying ablation energy to tissue. A removable introducer is movable within the lumen of the laser sheath and has at least two open channels to run wires. One or more sheath detachable modular adapters are used for providing ablation energy, force sensing and / or preventing bleeding. The distal open end of the laser sheath is preferably beveled with an angle up to 45 degrees. In one aspect, the introducer has a bulb-like tip, which fits against the distal end the laser sheath, yet can still be removed from the laser sheath via its proximal end. This device can be inserted over two wires simultaneously thereby allowing insertion over a wire loop configuration used to engage the apex of embedded IVC filters.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV
Double conical ivc filter
The disclosure provides an IVC filter device and method to filter. The device has a first bar and a first slider. The first slider has a first bore formed therethrough slidably disposed on the first bar. The device further comprises a second bar and a second slider. The second slider has a second bore formed therethrough and slidably disposed on the second bar. The device further has a first set of filter struts with a first filter strut being arcuate and attached to the first bar. The first filter strut may extend to the second slider. In addition, a second set of filter struts has a second filter strut being arcuate and attached to the second bar, extending to the first slider. When disposed in the vena cava, the device may receive a force through its filter struts and slide one of the sliders to accommodate the force.
Owner:COOK MEDICAL TECH LLC
Hair pin IVC filter
The disclosure provides a hair pin IVC filter device and a method to retrieve said device from the vena cava. The device comprises a tubular backbone slidably disposed relative to a hub with a bore formed therethrough. A plurality of filter legs are each attached to the hub. Each filter leg has a first arcuate segment extending arcuately to a second arcuate segment. The first and second arcuate segments provide flexibility to the device when implanted for filtering in the vena cava. Upon retrieval, each filter leg may be converted from a hair pin position to a substantially straight position to remove the filter device from any endothelialized tissue.
Owner:COOK MEDICAL TECH LLC
Inferior vena cava (IVC) filter and related methods
The present disclosure is directed to an Inferior Vena Cava (IVC) filter apparatus and related methods. The IVC filter apparatus comprises a body having a proximal hook thereon. A plurality of filter legs extends away from the proximal hook. A distal hook is position interior to at least a portion of the plurality of legs.
Owner:THE ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIV OF ARIZONA
Absorbable blood vessel filter
An absorbable vascular filter is disclosed for deployment within a blood vessel for temporary filtration of bodily fluids. One embodiment is configured for placing such an absorbable vascular filter within the inferior vena cava (IVC) to filter emboli and prevent pulmonary embolism (PE) in time for a limited period of time. Once protection of the PE is completed, the filter will be biodegraded according to a planned schedule determined by the absorption characteristics of the filter component. Thus, the temporary absorbable vascular filter avoids long-term complications of permanent IVC filters, such as avoiding increased deep vein thrombosis, adjacent organ puncture and embolism caused by filter rupture, while also avoiding the removal requirements of metal recoverable IVC filters.
Owner:ADIENT MEDICAL
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