Medical device operation training apparatus

1 . A medical device operation training apparatus used in performing training for operation of a medical device, the medical device operation training apparatus comprising:

an affected-area simulated organ holding unit configured to hold a sheet of an affected-area simulated organ able to be incised or excised at least in part; and

a path simulated organ holding unit configured to hold a path simulated organ for guiding the medical device to the sheet of the affected-area simulated organ;

wherein the affected-area simulated organ holding unit includes at least a first holding unit, a second holding unit, a third holding unit, and a fourth holding unit each configured to hold the sheet of the affected-area simulated organ;

wherein the first holding unit, the second holding unit, and the third holding unit are disposed in an orientation to form vertices of a triangle, whereby a surgical surface formed within the triangle is formed at a surface of the sheet of the affected-area simulated organ;

wherein the first holding unit, the second holding unit, the third holding unit, and the fourth holding unit are disposed to surround the sheet of the affected-area simulated organ in an order around the sheet of the first holding unit, the second holding unit, the third holding unit, and the fourth holding unit;

wherein a first diagonal line between the first holding unit and the third holding unit and a second diagonal line between the second holding unit and the fourth holding unit are positioned to an orientation of skew lines; and

wherein a shape of the surgical surface is adjustable by changing a distance between the first diagonal line and the second diagonal line.

2 . The medical device operation training apparatus according to claim 1 , wherein the affected-area simulated organ holding unit includes a tension adjustment mechanism configured to change tension acting on the sheet of the affected-area simulated organ.

3 . The medical device operation training apparatus according to claim 1 , wherein the affected-area simulated organ holding unit includes a second holding unit displacement mechanism configured to displace the second holding unit in a direction including at least a rotational direction component about a line connecting the first holding unit and the third holding unit.

4 . The medical device operation training apparatus according to claim 1 , wherein the affected-area simulated organ holding unit holds the sheet of the affected-area simulated organ so that a surface of the sheet of the affected-area simulated organ forms a curved surface of hyperboloidal shape, hyperbolic paraboloidal shape, or saddle shape.

5 . The medical device operation training apparatus according to claim 1 ,

wherein the affected-area simulated organ holding unit holds the sheet of the affected-area simulated organ so that the surface of the sheet of the affected-area simulated organ forms a curved surface of hyperboloidal shape, hyperbolic paraboloidal shape, or saddle shape.

6 . A medical device operation training apparatus used in performing training for operation of a medical device, the medical device operation training apparatus comprising:

an affected-area simulated organ holding unit configured to hold a sheet of an affected-area simulated organ able to be incised or excised at least in part;

a path simulated organ holding unit configured to hold a path simulated organ for guiding the medical device to the sheet of the affected-area simulated organ;

a peri-lateral axis relative movement mechanism configured to change a relative angle between the path simulated organ and the sheet of the affected-area simulated organ about a lateral axis extending in a horizontal direction; and

a pedestal peri-perpendicular axis relative movement mechanism configured to change a relative angle between the path simulated organ and the sheet of the affected-area simulated organ about a vertical axis extending in a vertical direction.

7 . A medical device operation training apparatus used in performing training for operation of a medical device, the medical device operation training apparatus comprising:

an affected-area simulated organ holding unit configured to hold an affected-area simulated organ that is formed of a sheet material able to be incised or excised at least in part and that simulates a part of an inner wall of a stomach;

a first path simulated organ holding unit configured to hold, along a predetermined path, a tubular first path simulated organ for guiding the medical device to the affected-area simulated organ; and

a second path simulated organ holding unit configured to hold a second path simulated organ that is provided between the affected-area simulated organ and the tubular first path simulated organ and that simulates another part of the inner wall of the stomach;

wherein the affected-area simulated organ holding unit includes at least a first holding unit, a second holding unit, and a third holding unit each configured to sandwich and hold the affected-area simulated organ; and

wherein the first holding unit, the second holding unit, and the third holding unit are disposed in an orientation to form vertices of a triangle, whereby a surgical surface is formed, in the affected-area simulated organ, between portions sandwiched by the first holding unit, the second holding unit, and the third holding unit.

8 . The medical device operation training apparatus according to claim 7 , wherein the second path simulated organ is open-topped.

9 . The medical device operation training apparatus according to claim 7 , wherein the second path simulated organ and the affected-area simulated organ move relative to each other.

10 . The medical device operation training apparatus according to claim 7 , wherein the second path simulated organ has a maximum width greater than a width of an inner wall of the tubular first path simulated organ.

11 . The medical device operation training apparatus according to claim 7 , further comprising a peri-lateral axis relative movement mechanism configured to change a relative position of the affected-area simulated organ holding unit with respect to the first path simulated organ holding unit by rotating the affected-area simulated organ holding unit about a lateral axis extending in a horizontal direction relative to the first path simulated organ holding unit.