Vascular plug
First Claim
1. A vascular plug including at least one resilient frame element, a first cover attached to the at least one resilient frame element, the at least one resilient frame element having a first, radially expanded deployed condition, in which the at least one resilient frame element forms a closed ring, and a second, multi-coil configuration, in which the closed ring forms at least two coils adjacent and substantially coaxial with one another the at least one resilient frame having a smaller width in the multi-coil configuration than in the radially expanded deployed condition, the at least one resilient frame element being compressible by rotating opposite sides of the frame by at least 180 degrees relative to one another from the first condition to the second configuration, wherein when in the second configuration, the plug has a length which is less than a length of the plug in the first condition, the vascular plug being detachable from a delivery assembly and implantable in a body vessel of a patient,wherein the at least one resilient frame element is constrained into a curved shape by a second frame element coupled to the at least one resilient frame element.
3 Assignments
0 Petitions
Accused Products
Abstract
A vascular plug has a frame or skeleton which includes a ring of spring material and, attached to the frame, a cover of impervious or porous material. The plug is able to open a cup configuration when in a deployed condition, so as to provide an occlusion barrier to blood flow. The frame can be radially contracted by twisting into a multi-coiled configuration for deployment through an introducer. The vascular plug has a very short deployment length, making it suitable for deployment in precise locations and is also able to expand to a variety of operating diameters, thereby being suitable for a range of vessel sizes.
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Citations
15 Claims
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1. A vascular plug including at least one resilient frame element, a first cover attached to the at least one resilient frame element, the at least one resilient frame element having a first, radially expanded deployed condition, in which the at least one resilient frame element forms a closed ring, and a second, multi-coil configuration, in which the closed ring forms at least two coils adjacent and substantially coaxial with one another the at least one resilient frame having a smaller width in the multi-coil configuration than in the radially expanded deployed condition, the at least one resilient frame element being compressible by rotating opposite sides of the frame by at least 180 degrees relative to one another from the first condition to the second configuration, wherein when in the second configuration, the plug has a length which is less than a length of the plug in the first condition, the vascular plug being detachable from a delivery assembly and implantable in a body vessel of a patient,
wherein the at least one resilient frame element is constrained into a curved shape by a second frame element coupled to the at least one resilient frame element.
Specification