Expandable medical anchor device formed of cut metal tube
AssigneeCalore Medical Ltd.
InventorsGiora Kornblau, David Maier Neustadter
Life of this patent
Estimating the term…
Abstract
A radially expandable anchor device formed of a cut metal tube is described. The tubular wall of the cut metal tube has a plurality of slits thereon, which together form a plurality of bands. The plurality of slits is configured to allow the plurality of bands to splay outward in the form of overlapping petals when an axial compressive force is applied to the cut metal tube. The cut metal tube may have a combination of radial and non-radial cuts. The non-radial cuts allow the adjacent sections of the tubular wall on opposing sides of the cut to overlap each other when they are pressed together by an axial compressive force, thus facilitating the radial expansion of the cut metal tube.
Claims38
An anchor device, comprising:
- an expandable tube having a first end region and a second end region, and configured to traverse a perforation in a tissue wall of a body canal and to fit within an interior of the body canal proximate to the perforation, the expandable tube including a plurality of primary slits therein, each primary slit extending from the first end region to the second end region, the primary slits cooperating to define a plurality of bands and each primary slit including:
- at least one substantially longitudinal cut portion;
- and
- at least one substantially non-longitudinal cut portion extending from the at least one substantially longitudinal cut portion;
- and
- wherein the primary slits are configured such that when the first end region and the second end region are compressed towards each other, the plurality of bands splay outward.
An anchor device, comprising:
- an expandable tube configured to traverse a perforation in a tissue wall of a body canal and to fit within an interior of the body canal proximate to the perforation, the expandable tube having an elongated central axis and a tubular wall configured to expand radially upon application of an axial compression force along a direction of the central axis;
- and
- at least one non-radial cut in the tubular wall, such that application of the axial compression force results in relative radial motion of surfaces on opposite sides of the cut.
An anchor device, comprising:
- an expandable tube having a first end region and a second end region, and configured to traverse a perforation in a tissue wall of a body canal and to fit within an interior of the body canal proximate to the perforation, the expandable tube including a plurality of primary slits therein, each primary slit extending from the first end region to the second end region, the primary slits cooperating to define a plurality of bands;
- and
- wherein the primary slits are configured such that when the first end region and the second end region are compressed toward each other, the bands splay outward to form an overlapping petal pattern.
An anchor device, comprising:
- a cut tube configured to traverse a perforation in a tissue wall of a body canal and to fit within an interior of the body canal opposite the perforation, the cut tube having a tubular wall configured to expand radially upon application of an axial compression force;
- and
- at least one cut in a non-radial plane through the tubular wall such that adjacent surfaces on opposite sides of the cut are ramped with respect to each other, and wherein application of the axial compression force to the cut tube results in relative radial motion of the surfaces on opposite sides of the cut.
An anchor device, comprising:
- an expandable tube having a first end region and a second end region and configured to traverse a perforation in a tissue wall of a body canal and to fit within an interior of the body canal proximate the perforation, the expandable tube including a plurality of primary slits therein, each primary slit extending from the first end region to the second end region, the primary slits cooperating to define a plurality of bands, and each primary slit connected to a serpentine cut on at least one of the first end region and the second end region;
- and
- wherein the primary slits are configured such that when the first end region and the second end region are compressed toward each other, the bands splay outward.
An anchor device, comprising:
- an expandable tube having a first end region and a second end region and configured to traverse a perforation in a tissue wall of a body canal and to fit within an interior of the body canal proximate the perforation;
- a plurality of primary slits in the expandable tube, each primary slit extending from the first end region to the second end region, the primary slits cooperating to define a plurality of bands;
- at least one secondary slit within each band, the at least one secondary slit having a length shorter than a length of the primary slit.
Dependencies are inferred from the claim text.