Crux Biomedical, Inc.

Medtronic Vascular, Inc.

Other

Jeff Elkins

Eric Johnson

Martin Seery

Frank Arko

Thomas J Fogarty

Thomas Fogarty

Harry Burt Goodson, Iv

Michel Letort

Harry Goodson, Iv

In one embodiment of the present invention there is provided a method of filtering blood flow in a lumen by positioning an open loop filter support structure within a lumen; maintaining a position of the open loop filter support structure within the lumen using radial force generated by the open loop filter support structure; and filtering blood flow in the lumen using a filter supported by the open loop filter support structure. In one aspect, there is also applying radial force generated by the open loop filter support structure along the axial dimension of the lumen.

Methods for maintaining a filtering device within a lumen

In one embodiment of the present invention there is provided an implantable filter. The implantable filter can include a first support member having a first end and a second end; a second support member positioned adjacent the first support member to form a loop between the first end and the second end of the first support member; and a filtering structure attached to the loop by a plurality of segmented tubes.

Endoluminal filter

In one embodiment of the present invention there is provided a filter having a first support member having a first end and a second end; a second support member joined to the first support member at the first end and positioned adjacent the first support member to form a support frame; a material capture structure within the support frame; and a retrieval feature on the first end and on the second end. In one aspect, the first support member or the second support member has a spiral shape.

Retrievable endoluminal filter

In one embodiment of the present invention there is provided an implantable filter. The filter can include a first support member having a first end and a second end; a second support member positioned adjacent the first support member to form an open loop between the first end and the second end of the first support member; a wrapping material wrapped around a portion of the first support member and a portion of the second support member that forms the open loop; and a filtering structure attached to the open loop by the wrapping material.

In one embodiment of the present invention there is provided a method of providing protection during a procedure performed in the vasculature using an open loop filter device comprising two elongate support members positioned to form at least one crossover location between adjacent open loops of the device. The method may also include placing the open loop device down stream of a location in the vasculature performing a procedure to treat the vasculature in proximity to the location; and capturing debris released during the procedure in a material capture structure suspended between the elongate support members and across the vessel. Additionally, there can be a step of maintaining the open loop filter device downstream of the location along the wall of the vasculature while permitting movement along the wall of the vasculature of the two elongate support members adjacent the material capture structure.

Methods for providing protection during procedures in the vasculature

There are described a number of different coated endoluminal filters. The filters include a support structure formed from two shape memory metal wires joined at a first end and a second end. There is a first loop formed by the two wires and positioned directly adjacent to the first end. There is a second loop formed by the two wires and positioned directly adjacent to the second end. A filtering structure is formed from a suture material and positioned across the two metal wires so as to be within one of the two loops. There is a coating over at least a portion of the wires forming one of the two loops of the support structure containing the filtering structure. In one aspect, the coating is used to secure the filtering structure to the at least one of the two loops of the support structure.

Coated endoluminal filters

In one embodiment, a filter includes a first spiral support member having a first end and a second end; a second spiral support member positioned adjacent the first spiral support member to form a loop between the first end and the second end; a material covering a portion of the first and the second spiral support members; and a structure attached to the loop.

Spiral shaped filter

In one embodiment of the present invention there is provided a biodegradable implantable device. The biodegradable implant device can include one or more elongate spiral support structures that can be biodegradable. Some embodiments can further include a material capture structure that can be biodegradable. A pharmacological agent can also be incorporated into the elongate spiral support structures and/or the material capture structure.

Biodegradable implantable device

A filter and methods of use to provide distal protection during a vascular procedure is provided. The filter includes a first spiral shaped support member joined to a second spiral support member to form a crossover and to form a first generally planar support frame and a second generally planar support frame. A tether is on one of the first end or the second end and a capture structure is attached to the first support frame or the second support frame. The capture structure extends in a non-planar fashion relative to the generally planar first or second support frame to which the capture structure is attached. After use to capture debris, the filter is recovered in a manner to close while maintaining captured debris within the filter.

Distal protection devices and methods of providing distal protection

There is described an endoluminal filter having an end cap having a lumen sized to receive there through a guidewire used in the positioning of the filter within the vasculature. There is a first support member with a pre-formed counter clockwise spiral shape and a second support member with a pre-formed clockwise spiral shape positioned adjacent to one another to form a proximal support frame, a distal support frame with a crossover between the proximal support frame and the distal support frame with a proximal portion of the first and the second spiral support members being attached to the end cap. A material capture structure having a rim and an apex with the rim attached to the proximal support frame and the apex extending distally through without attaching to the distal support frame.

Distal protection device

Embodiments of devices and methods for vessel occlusion include an endoluminal occlusion device having a support structure forming at least two open loops with a crossover point between adjacent loops and free movement of the support structure at the crossover between adjacent loops, wherein the support structure is configured to extend along the walls of a lumen; and a first occlusive material attached to and across one of the at least two loops formed by the support structure, wherein the occlusive material is configured to occlude the flow of fluid within the lumen.

Devices and methods for vessel occlusion

In one embodiment of the present invention there is provided an endovascular device having a multi-lumen tubular structure; a pharmacological agent filing a first lumen of the multi-lumen tubular structure; and a support member extending through a second lumen of the multi-lumen tubular structure wherein the multi-lumen tubular structure conforms to the shape of the metal support member when the support member is inserted into the second lumen. In one aspect, the support member includes a pair of opposing spiral support members that form a slidable crossover point. In one aspect, a filter is provided having a pair of opposing spiral support members that form a slidable crossover point and a first and second loop; and a material capture structure that can be coated with a pharmacological agent.

A method of delivering a stent-graft includes mounting the stent-graft on a pushrod; radially constraining the stent-graft within a sheath; securing a crown portion of the stent-graft to the pushrod with a retainer structure of a stent-graft retainment system; retracting the sheath to expose the crown portion of the stent-graft; and further retracting the sheath to cause the retainer structure to release the crown portion from the pushrod thus deploying the stent-graft. The retainer structure releases the stent-graft automatically as a result of the retraction of the sheath.

Stent-graft delivery system

In one embodiment of the present invention there is provided a filter having a first spiral support member having a first end and a second end, a second spiral support member positioned adjacent the first spiral support member to form an open loop between the first end and the second end of the first spiral support member; and a filtering structure attached to the open loop. In another embodiment of the present invention there is provided a filter having a first spiral support member having a first end and a second end; a second spiral support member positioned adjacent the first spiral support member to form a loop between the first end and the second end; a material covering a portion of the first and the second spiral support members; and a structure attached to the loop.

In one aspect, embodiments of the present invention provide a filter having a first structural member extending along and clockwise about an axis, a second structural member extending along and counter clockwise about the axis and a material capture structure extending between the first and the second structural members and across the axis. In one aspect, the structural members may be joined to form two ends. In yet another aspect, there is provided a filter having a first spiral shaped support member having an end; a second support member positioned to cross the first spiral support member and form a loop between the end and the place where the second support member crosses the first spiral support member; and a material capture structure extending across and secured to the loop.

Growing community of inventors

Woodside, CA, United States of America

Jeff Elkins