Abstract: Disclosed is a biological model for training which is in a tubular shape having an inner cavity, has a narrowing or closing portion at a mid portion of the tube, and is provided with a artificial lesion member simulating a lesion occurring in a tubular tissue. In this biological model for training, the artificial lesion member includes, at least in a portion thereof, a plastic and deformable material. The biological model for training is used in expansion training for implementing expansion. As the plastic and deformable material, a material including, as the main component, at least one member selected from among a silicone clay, a resin clay and an oil clay can be specifically used. Such a material is preferred because of ensuring the maintenance of a expanded state in the expansion training.

Abstract: Disclosed is a biological model for training which is in a tubular shape having an inner cavity, has a narrowing or closing portion at a mid portion of the tube, and is provided with a artificial lesion member simulating a lesion occurring in a tubular tissue. In this biological model for training, the artificial lesion member includes, at least in a portion thereof, a plastic and deformable material. The biological model for training is used in expansion training for implementing expansion. As the plastic and deformable material, a material including, as the main component, at least one member selected from among a silicone clay, a resin clay and an oil clay can be specifically used. Such a material is preferred because of ensuring the maintenance of a expanded state in the expansion training.