Abstract: An information processing apparatus (30) includes: an operation control unit (321) that operates at least one of a first finger and a second finger to change contact positions with a target object in a state where the first finger and the second finger grip the target object; and an estimation unit (322) that estimates a shape of the target object on a basis of a relationship between the contact positions and postures of the first finger and the second finger.

Abstract: There is provided a surgical instrument having a plurality of methods of use and reducing the number of times that treatment portions are detachably replaced. The surgical instrument includes a treatment unit having a first treatment portion on an end portion thereof and a second treatment portion on another end portion thereof, and a holder that supports the treatment unit so as to allow the states of use of the first treatment portion and the second treatment portion to be switched. The holder supports the holder so as to be rotatable around a switching shaft for switching the states of use of the first treatment portion and the second treatment portion, and supports the treatment unit such that, while one of the first treatment portion and the second treatment portion is in a usable state, the other is in a standby state.

Abstract: An information processing device 10 includes a determination unit 13 that determines a force to be applied to a food material during cooking by a pressing portion on the basis of food material information regarding elasticity of the food material before cooking, and an estimation unit 14 that estimates progress of cooking of the food material on the basis of information regarding deformation of the food material when the pressing portion has applied the force to the food material during the cooking.