Vascular lesion model
A vascular lesion model including a blood vessel portion and a lesion portion divided into a plurality of lesion regions having different hardness. The lesion portion including at least one type of lesion region among a first lesion region contacting a part of an inner periphery of the blood vessel portion in a cross section perpendicular to a longitudinal direction and having a shape extending from the part of the inner periphery toward a center of the lesion portion, a second lesion region having a solid shape separated from an outer periphery of the lesion portion, a third lesion region separated from both ends of the lesion portion in the longitudinal direction and occluding the blood vessel portion, and a plurality of fourth lesion regions separated from the inner periphery of the blood vessel portion in a cross section perpendicular to the longitudinal direction, and arranged separately from one another.
1 . A vascular lesion model, comprising:
a blood vessel portion having a hollow shape and configured to simulate a blood vessel; and
a lesion portion arranged inside the blood vessel portion and divided into a plurality of lesion regions each having a different hardness, at least a part of lesion regions among the plurality of lesion regions being formed from a polymer material,
wherein the lesion portion includes, as the at least the part of the lesion regions, at least one type of lesion region selected from the group consisting of:
a first lesion region arranged to contact a part of an inner periphery of the blood vessel portion in a cross section perpendicular to a longitudinal direction of the vascular lesion model and having a shape that extends from the part of the inner periphery toward a center of the lesion portion,
a second lesion region having a solid shape separated from an outer periphery of the lesion portion in both a cross section perpendicular to the longitudinal direction and a cross section parallel to the longitudinal direction,
a third lesion region arranged separated from both ends of the lesion portion in the longitudinal direction and configured to occlude the blood vessel portion, and
a plurality of fourth lesion regions provided separated from the inner periphery of the blood vessel portion in a cross section perpendicular to the longitudinal direction, and arranged independently and separately from one another,
wherein the lesion portion includes the third lesion region, and
the third lesion region has a hardness that is harder than a hardness of a lesion region arranged adjacent to the third lesion region in the lesion portion.
2 . The vascular lesion model according to claim 1 , wherein the lesion portion includes the first lesion region, and
the first lesion region has a hardness that is harder than a hardness of a lesion region contacting the first lesion region.
3 . The vascular lesion model according to claim 2 , wherein in a cross section perpendicular to the longitudinal direction, the plurality of the lesion regions include the first lesion region defined by at least two layers, the at least two layers being separated by a line connecting two points on the inner periphery of the blood vessel portion.
4 . The vascular lesion model according to claim 3 , wherein at least a part of lesion regions among the plurality of lesion regions includes an inorganic material.
5 . The vascular lesion model according to claim 3 , wherein a part of the plurality of lesion regions in the lesion portion includes a porous polymer material.
6 . The vascular lesion model according to claim 2 , wherein at least a part of lesion regions among the plurality of lesion regions includes an inorganic material.
7 . The vascular lesion model according to claim 2 , wherein a part of the plurality of lesion regions in the lesion portion includes a porous polymer material.
8 . The vascular lesion model according to claim 1 , wherein in a cross section perpendicular to the longitudinal direction, the plurality of the lesion regions include the first lesion region defined by at least two layers, the at least two layers being separated by a line connecting two points on the inner periphery of the blood vessel portion.
9 . The vascular lesion model according to claim 1 , wherein the lesion portion includes the second lesion region, and
the second lesion region has a hardness at a section including a surface of the second lesion region that is different than a hardness of another section of the second lesion region.
10 . The vascular lesion model according to claim 9 , wherein at least a part of lesion regions among the plurality of lesion regions includes an inorganic material.
11 . The vascular lesion model according to claim 9 , wherein a part of the plurality of lesion regions in the lesion portion includes a porous polymer material.
12 . The vascular lesion model according to claim 1 , wherein the lesion portion includes the plurality of fourth lesion regions, and
a part of the plurality of fourth lesion regions has a hardness that is harder than a hardness of another part of the fourth lesion regions.
13 . The vascular lesion model according to claim 1 , wherein at least a part of lesion regions among the plurality of lesion regions includes an inorganic material.
14 . The vascular lesion model according to claim 1 , wherein a part of the plurality of lesion regions in the lesion portion includes a porous polymer material.
15 . The vascular lesion model according to claim 1 , wherein the lesion portion includes a plurality of through-holes penetrating the lesion portion in the longitudinal direction.
16 . The vascular lesion model according to claim 1 , further comprising a member configured to imitate an intravascular indwelling device that is indwelled and to be used in a blood vessel in the lesion portion.