Crux Biomedical, Inc.

Covidien LP

Thomas Fogarty

Eric Johnson

Martin Seery

Jeff Elkins

Frank Arko

Kenneth H Mollenauer

George D Hermann

Jan M Echevery

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

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.

Methods for maintaining a filtering device within a lumen

The present invention provides balloon dissection apparatus and methods of use in which an elongate balloon is utilized to dissect along a region that follows a naturally existing path alongside a vessel or structure, such as an artery, a vein, a lymphatic vessel, the trachea, the esophagus, or even a nerve bundle.

Extraluminal balloon dissection

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.

Endoluminal filter

In one embodiment of the present invention there is provided a method of positioning a filter within a lumen by positioning a filter within a lumen by exerting a radial force generated by a support structure against the lumen while suspending a material capture structure between opposing members of the support structure; and self adjusting the length of the filter support structure along the lumen wall in response to a change in the size of the lumen. In another embodiment of the present invention there is provided a method of providing protection during a procedure performed in the vasculature by placing an open loop device within a vessel 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 across the vessel and supported by the open loop device.

Lumen filtering methods

In one embodiment of the present invention there is provided a coated endoluminal filter having a support structure; a filtering structure attached to the support structure; a coating over at least a portion of support structure. In another alternative embodiment, there is provided an endoluminal filter having a support structure; and a filtering structure attached to the support structure; wherein, the support structure is generally symmetrical about a plane that is orthogonal to the flow direction of the filter and contains a crossover point between two structural elements of the support structure. In another alternative embodiment, there is provided an endoluminal filter, having a support structure; and a filtering structure attached to the support structure; wherein, the support structure is generally symmetrical about a plane that is parallel to the flow direction of the filter and contains both ends of the support structure.

Coated endoluminal filter

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.

Growing community of inventors

Portola Valley, CA, United States of America

Thomas Fogarty