Abstract: A control apparatus includes a drive current detector detecting a drive current value driving the motor to drive a rotation body, and a controller controlling the motor in a speed control method which controls the motor so that a rotation speed of the motor reaches a targeted rotation speed until the drive current value reaches a predetermined switching value, and, when the drive current value reaches the switching value, controlling the motor by switching to a torque control method which controls the motor so that the drive current value reaches a targeted current value.

Abstract: An insertion device includes a long and thin insertion section, a rotating housing that is provided to be rotatable about a longitudinal axis, a drive shaft that is connected to a motor rotating the rotating housing, and that transmits a rotation of the motor, a rotor that is provided at a distal-end side of the drive shaft and that is provided to be movable in relation to the rotating housing in axial direction of the insertion section, and that transmits the rotation to the rotating housing via a coating of the insertion section, a sensor that detects that the rotor moves a predetermined amount in either forward or backward direction relative to the axial direction of the insertion section, and a control unit that controls, according to the detection by the sensor, a state of the motor including a positive rotation, a negative rotation, and rotation halt.

Abstract: A prepreg includes conductive fibers impregnated with a matrix resin, the prepreg having a conductive region where a conductive material is dispersed in the resin. In the present invention, a resin layer composed of at least the matrix resin preferably is present on one or both surfaces of a conductive fiber layer composed of at least the conductive fibers, and the conductive region is present at least in the resin layer. In addition, the above-described conductive region preferably is present continuously in the thickness direction. The conductive region preferably is a conductive region where the conductive material is dispersed in the matrix resin, and the resin in the conductive region preferably forms a continuous phase with the matrix resin in other regions. A volume resistivity of the conductive region preferably is 1/1,000 or less of that of other regions of the matrix resin.

Abstract: A display apparatus for a living body insertable apparatus includes an inserting unit configured to be inserted into a living body, and a power unit configured to generate a propulsive force for the inserting unit in the living body. The display apparatus includes a driving force detector, a display calculator, and a display controller. The driving force detector acquires a value relating to a driving force of the power unit. The display calculator determines a display area of a gauge configured to have the display area varying according to the driving force, based on the value. The display controller outputs a signal to display the gauge on a display device.

Abstract: An insertion apparatus includes an insertion section, a motor that rotates a rotational housing, a drive control unit that supplies a driving current to the motor to control driving of the motor, a driving current detector that detects the driving current flowing through the motor, a torque limit value storage unit that stores a torque limit value, a temperature detector detects a temperature of the rotational housing, a temperature measurement unit that measures a temperature in a vicinity of the rotational housing based on a detection result obtained from the temperature detector, and a torque limit value correction unit that corrects the torque limit value in accordance with the temperature measured by the temperature measurement unit.

Abstract: An insertion apparatus includes an insertion section configured to be freely bendable, a rotational housing provided on an outer peripheral surface of the insertion section to be rotatable about a longitudinal axis, a motor that rotates the rotational housing, a drive control unit that supplies a drive current to the motor to control driving of the motor, a torque limit value storage unit that stores a torque limit value which is an upper limit of the drive current, a drive current detection unit that detects the drive current, and a torque limit value correction unit that corrects the torque limit value stored in the torque limit value storage unit in accordance with a bending shape detected by a bending shape detection unit that detects a bending shape of the insertion section.

Abstract: An insertion device includes a thin and elongated insertion section, a rotating body which is rotated to advance or retreat the insertion section, a driving force supply source which supplies a driving force to the rotating body, a variable stiffness section provided for the insertion section and permitting stiffness of the insertion section to be varied, a stiffness detector which detects the stiffness of the insertion section varied by the variable stiffness section, and a controller which controls the driving force supply source in accordance with the stiffness of the insertion section detected by the stiffness detector.

Abstract: An insertion apparatus includes an insertion section, a rotational housing, a motor, and a controller. The motor rotates the rotational housing. The controller designates a rotational direction of the motor. The controller limits the rotational direction of the motor to allow the insertion section to move only in a removal direction when inspection control for inspecting an operation relative to an insertion direction of the insertion section is initiated.

Abstract: An insertion apparatus includes an insertion section, a motor that rotates a rotational housing, a drive control unit that supplies a driving current to the motor to control driving of the motor, a driving current detector that detects the driving current flowing through the motor, a torque limit value storage unit that stores a torque limit value, a temperature detector detects a temperature of the rotational housing, a temperature measurement unit that measures a temperature in a vicinity of the rotational housing based on a detection result obtained from the temperature detector, and a torque limit value correction unit that corrects the torque limit value in accordance with the temperature measured by the temperature measurement unit.

Abstract: An insertion apparatus includes an insertion section, a motor that rotates a rotational housing, a drive control unit that supplies a driving current to the motor to control driving of the motor, a temperature detector provided in the rotational housing, that detects a temperature of the rotational housing, a temperature measurement unit that measures a temperature in a vicinity of the rotational housing based on a detection result obtained from the temperature detector, a heating element used for heating, and a heating control unit that controls the heating element to perform heating when a measurement result of the temperature measurement unit is lower than a predetermined temperature.

Abstract: A control section outputs a control signal. An actuator is connected to a drive section and operates based on the control signal. An operation information acquisition section acquires operation information related to an operation status of the actuator. A storage section stores correction information included in control information which includes a relationship between an operation status and the control signal. The correction section determines whether or not the control signal and the operation status are consistent with the control information, and when inconsistent, corrects correction information for consistency.

Abstract: An insertion apparatus includes a first drive control section controlling a drive state of a drive member in such a manner that a rotary unit rotates toward a first periaxial direction with a first rotation amount during a reference time. The insertion apparatus includes a second drive control section controlling the drive state of the drive member in such a manner that the rotary unit rotates toward a second periaxial direction with a second rotation amount smaller than the first rotation amount during the reference time.

Abstract: An insertion device includes an idle state detector detecting an idle state in which an insertion section does not move in directions along the longitudinal axis when a rotation unit rotates in directions around the longitudinal axis, and a movement displacement calculator calculating a rotation direction and amount of the rotation unit based on a driving direction and amount of the driving member and calculating a movement displacement of the insertion section from a reference position in directions parallel to the longitudinal axis based on the rotation direction and amount of the rotation unit. The movement displacement calculator calculates the movement displacement of the insertion section so that a movement amount of the insertion section in the longitudinal directions while the idle state being detected is zero.

Abstract: An isotropic fiber-reinforced thermoplastic resin sheet wherein a chopped strand prepreg comprising a thermoplastic resin and a reinforcing fiber is layered so that the fiber orientation is random, the prepreg having a fiber volume fraction (Vf) of 20% to 50%, a length in the fiber axis direction of 15 to 45 mm, and a thickness of no greater than 0.13 mm, and the layered material is molded into sheet form by heating and pressing, and a molded plate obtained from the isotropic fiber-reinforced thermoplastic resin sheet. Even if the volume fraction of the reinforcing fiber is relatively low, a fiber-reinforced thermoplastic resin sheet and a molded plate that are excellent in terms of mechanical properties and their uniformity can be obtained.

Abstract: A display apparatus for a living body insertable apparatus includes an inserting unit configured to be inserted into a living body, and a power unit configured to generate a propulsive force for the inserting unit in the living body. The display apparatus includes a driving force detector, a display calculator, and a display controller. The driving force detector acquires a value relating to a driving force of the power unit. The display calculator determines a display area of a gauge configured to have the display area varying according to the driving force, based on the value. The display controller outputs a signal to display the gauge on a display device.

Abstract: An endoscope system includes at least an endoscope of the endoscope and an accessory, a placement unit on which the endoscope is adapted to be placed, a detecting unit configured to detect whether the endoscope is placed on the placement unit or not, an actuating unit for at least one of the endoscope and the accessory, an operating unit for operating the actuating unit, and a control unit configured to be switched between a normal mode wherein the actuating unit is controlled according to an operation to the operating unit and a restricting mode wherein the actuating unit is controlled regardless of an operation to the operating unit, on the basis of a result of detection by the detecting unit.

Abstract: A medical system includes a movable portion configured to allow an angle to be changed within a predetermined angular range, an actuator configured to drive the movable portion so as to change the angle of the movable portion when a wire is pulled, a control unit configured to perform drive control of the actuator, a slack detection unit configured to detect a driving condition as to whether or not the wire is slack, a slack adjustment unit configured to adjust slack of the wire based on a detection result produced by the slack detection unit; and a slack adjustment command input unit used to input a command to adjust the slack of the wire, wherein the slack adjustment unit adjusts the slack of the wire to a predetermined state of adjustment in response to the command to adjust the slack of the wire.

Abstract: The invention provides a prepreg comprising: a primary prepreg composed of reinforcing fibers and a resin composition (I) impregnating the interior of a reinforcing fiber layer formed from these fibers; and a surface layer composed of a resin composition (II) formed on one or both sides of the primary prepreg; wherein the resin composition (I) is an epoxy resin composition [B] containing at least an epoxy resin and a thermoplastic resin, and the resin composition (II) is an epoxy resin composition [A] containing at least an epoxy resin and conductive particles.

Abstract: A medical system includes: an endoscope including an insertion portion that can be inserted into a body cavity of a subject, and an image pickup section provided at a distal end portion of the insertion portion; an exclusion section capable of, when the insertion portion is inserted into the body cavity of the subject, excluding a tissue existing around the distal end portion; a computing section that obtains luminance information relating to a luminance of an image picked up by the image pickup section, and determines whether or not the obtained luminance information meets a predetermined condition; a drive section that if a determination result that the luminance information does not meet the predetermined condition is provided, continues an operation to drive the exclusion section, and if a determination result that the luminance information meets the predetermined condition is provided, stops the operation to drive the exclusion section.

Abstract: An insertion apparatus includes a first drive control section controlling a drive state of a drive member in such a manner that a rotary unit rotates toward a first periaxial direction with a first rotation amount during a reference time. The insertion apparatus includes a second drive control section controlling the drive state of the drive member in such a manner that the rotary unit rotates toward a second periaxial direction with a second rotation amount smaller than the first rotation amount during the reference time.