Marking body, method for the production and use of a marking body

A marking body, comprising:

• a self-expanding structure of a shape-memory metal,
• wherein the shape-memory metal is a tubular structure having at least two elongated openings along a long side extending no further than from a head section to a foot section of the tubular structure,
• wherein the at least two elongated openings form at least one strip in the shape-memory metal,
• wherein, when the tubular structure is compressed in a first configuration, the at least one strip of the shape-memory metal bulges between two adjacent elongated openings,
• wherein, when the tubular structure is stretched in a second configuration, the at least one strip of the shape-memory metal forms part of a tube shape of the tubular structure,
• wherein the at least one strip comprises at least two anchors along a length direction,
• wherein each of the at least two anchors is formed by one or more cuts or recesses in a respective strip,
• wherein a first end of each of the at least two anchors is connected to the respective strip via a root in a middle of the respective strip,
• wherein a second end of a first of the at least two anchors extends in a first direction, a second end of a second of the at least two anchors extends in a second direction, and the first direction is opposite to the second direction,
• wherein, when in the first configuration, both the first of the at least two anchors and the second of the at least two anchors have a curved shape, and
• wherein, when in the second configuration, the second end of the first of the at least two anchors extends to an axially inward edge of the head section and the second end of the second of the at least two anchors extends to an axially inward edge of the foot section.

A marking body, comprising:

• a self-expanding structure of a shape-memory metal,
• wherein the shape-memory metal is a tubular structure having at least two elongated openings along a long side extending no further than from a head section to a foot section of the tubular structure,
• wherein the at least two elongated openings form at least one strip in the shape-memory metal,
• wherein, when the tubular structure is compressed in a first configuration, the at least one strip of the shape-memory metal bulges between two adjacent elongated openings,
• wherein, when the tubular structure is stretched in a second configuration, the at least one strip of the shape-memory metal forms part of a tube shape of the tubular structure,
• wherein the at least one strip comprises a length, a width and a height, the length being larger than the width and the width being larger than the height,
• wherein at least two anchors are cut out from or recessed within a surface of the at least one strip, the surface being defined by the length and the width,
• wherein each of the at least two anchors are connected to the respective strip via a root, and are radially movable relative to the respective strip,
• wherein the root of each of the at least two anchors connects a first end of each of the at least two anchors to an intermediate section of the respective strip that is offset in a longitudinal direction from the head section and the foot section,
• wherein a first of the at least two anchors extends in the longitudinal direction toward the head section and a second of the at least two anchors extends in the longitudinal direction toward the foot section,
• wherein, when in the first configuration, each of the first of the at least two anchors and the second of the at least two anchors has a curved shape that extends from the root to a tip of the respective anchor, and
• wherein, when in the second configuration, the second end of the first of the at least two anchors extends to an axially inward edge of the head section and the second end of the second of the at least two anchors extends to an axially inward edge of the foot section.

A marking body, comprising:

• a self-expanding structure of a shape-memory metal,
• wherein the shape-memory metal is a tubular structure having at least two elongated openings along a long side extending no further than from a head section to a foot section of the tubular structure,
• wherein the at least two elongated openings form at least one strip in the shape-memory metal,
• wherein, when the tubular structure is compressed in a first configuration, the at least one strip of the shape-memory metal bulges between two adjacent elongated openings,
• wherein, when the tubular structure is stretched in a second configuration, the at least one strip of the shape-memory metal forms part of a tube shape of the tubular structure,
• wherein the at least one strip comprises at least two anchors along a length direction,
• wherein each of the at least two anchors is formed by one or more cuts or recesses in a respective strip,
• wherein each of the at least two anchors has a root and a head end, is connected directly to the respective strip via the root, and the head end is radially movable relative to the respective strip,
• wherein, when in the first configuration, a first of the at least two anchors extends in the length direction in a first curve toward the head section and a second of the at least two anchors extends in the length direction in a second curve toward the foot section,
• wherein the head end is bent further in a radial direction beyond a bulge of the respective strip when in the first configuration so that the head end of each of the at least two anchors points towards a surrounding structure thereby making the marking body fixable to the surrounding structure, and
• wherein, when in the second configuration, the second end of the first of the at least two anchors extends to an axially inward edge of the head section and the second end of the second of the at least two anchors extends to an axially inward edge of the foot section.

A marking body, comprising:

• a self-expanding structure of a shape-memory metal,
• wherein the self-expanding structure is a tubular structure having a plurality of elongated openings along a long side extending no further than from a head section to a foot section of the tubular structure,
• wherein the plurality of elongated openings form at least one strip in the shape-memory metal,
• wherein the at least one strip includes a body portion and two anchor portions, wherein the body portion extends between the head section and the foot section of the tubular structure,
• wherein each of the two anchor portions is elongate and extends in a length direction and has a first end connected to the body portion of the respective strip via a root,
• wherein the root is located in the respective strip spaced apart from the head section and the foot section,
• wherein each of the two anchor portions has a second end that is non-connected to the body portion of the respective strip,
• wherein the second end of a first of the two anchor portions extends in the length direction toward the head section and the second end of a second of the two anchor portions extends in the length direction toward the foot section,
• wherein, in a non-extended position, the second end of the first of the two anchor portions extends to a position proximate the head section and the second end of the second of the two anchor portions extends to a position proximate the foot section, and
• wherein, in an extended position, each of the two anchor portions extends outwardly in a curve in the length direction.

A marking body, comprising:

• a self-expanding structure of a shape-memory metal,
• wherein the self-expanding structure is a tubular structure including a long side wall and a plurality of elongated openings in the long side wall that extend no further than from a head section to a foot section of the tubular structure,
• wherein the plurality of elongated openings form at least one strip in the shape-memory metal,
• wherein the at least one strip comprises a body having a length, a width and a height, the length being larger than the width and the width being larger than the height,
• wherein at least two anchors are cut out from or recessed within a surface of the body of the at least one strip, the surface being defined by the length and the width,
• wherein a first end of each of the at least two anchors is connected to the respective strip via a root and a second end of each of the at least two anchors is radially movable relative to the body of the respective strip,
• wherein, in each of the at least two anchors, the root connects the first end of the respective anchor to the body of the respective strip at a position spaced apart from the head section of the tubular structure and the foot section of the tubular structure,
• wherein the tubular structure has a first configuration when compressed and a second configuration when stretched,
• wherein, in the first configuration, the body of the at least one strip bulges radially outward between two adjacent elongated openings and each of the at least two anchors has a curved shape extending between the first end and the second end, and
• wherein, in the second configuration, the second end of a first of the at least two anchors extends in a first direction toward the head section to a position proximate the head section of the tubular structure and the second end of a second of the at least two anchors extends in a second direction toward the foot section to a position proximate the foot section of the tubular structure.