Abstract: A distal end portion of an endoscope includes: a moving mechanism configured to change a protruding direction of a treatment instrument; a base made of metal and including a supporting portion configured to rotationally support the moving mechanism; a cover member made of resin, the cover member being fitted to the base so as to cover the moving mechanism and including an opening portion formed at a position at which the moving mechanism is placed; an electronic component disposed in the cover member; and a wiring pattern electrically connected to the electronic component, the wiring pattern being provided in the cover member.

Abstract: An information processing system includes a storage device configured to store therein information of a trained model, and a processor. The processor performs a detection process based on the information of the trained model, and outputs position information detected in the detection process, the detection process being a process that detects the position information about an object from a detection image. The trained model is trained based on training data in which an object in a training image is added with multiple annotations, and is trained to output position information about the object in the training image based on an overlapping relationship of the multiple annotations.

Abstract: A spiral tube is provided rotatably around an insertion axis of the insertion portion by a driving force of a driving unit, and includes a first cylindrical member formed into a cylindrical shape, a second cylindrical member provided at another end, and formed into a cylindrical shape, an outer layer tube that has one end fixed to the first cylindrical member, and has an longitudinal axis, an inner layer tube that has one end fixed to the second cylindrical member, and is covered with the outer layer tube so that the outer layer tube is slidable in a direction along the longitudinal axis, and a holding member provided on the outer layer tube, and configured to restrict movement of the outer layer tube with respect to the inner layer tube to a predetermined range, and to hold the inner layer tube in the outer layer tube.

Abstract: An imaging apparatus includes a processor, an imaging device, and a light source. The processor is configured to determine whether or not the imaging device has gone out of space of which at least part is surrounded by an object when the imaging device is performing imaging after the imaging device is inserted into the space. The processor is configured to execute power-saving control when the processor determines that the imaging device has gone out of the space. In the power-saving control, the processor is configured to make power consumption of a control target less than power consumption of the control target before the power-saving control is executed. The control target is at least one of the imaging device and the light source.

Abstract: An image pickup unit includes: a metal barrel holding an objective lens; a substrate barrel formed of a circuit formed product having insulation property; an image sensor having a chip size package; plural electrodes formed in a penetrating manner from an inside of a substrate barrel to a proximal end side in an exposed manner, the plural electrodes being electrically connected to an image sensor in the substrate barrel; an electric conductive portion formed on an outer surface of the substrate barrel, having an insulation property with respect to the metal barrel, and having a predetermined creepage distance by which a current such as static electricity can be discharged; a ground electrode electrically connected to the electric conductive portion; and a cable provided with plural wires connected to a ground wire connected to the ground electrode and plural wires connected to the plural electrodes.

Abstract: An imaging unit includes: a semiconductor package including an imaging device and having a back surface on which a sensor electrode is formed; a circuit substrate including a connection electrode that is connected to the sensor electrode via a bump; a surrounding part configured to cover the semiconductor package and the circuit substrate; a filler with which a space that is enclosed by the surrounding part is filled to seal a circumference of the semiconductor package and the circuit substrate; and a first cover configured to prevent the filler from infiltrating a joint between the semiconductor package and the circuit substrate.

Abstract: An imaging unit includes: a semiconductor package including an optical system, an imaging sensor, and connection terminals; a rigid substrate including first connection lands respectively connected to the connection terminals; and an electronic component mount region including second connection lands on which a capacitor is mounted, and an inner lead mount region including third connection lands; and a flexible printed board including inner leads extended from one end of the flexible printed board in a bent manner and respectively connected to the third connection leads in the inner lead mount region; and cable connection leads arranged on another end of the flexible printed board and respectively connected to the inner leads. The rigid substrate and the flexible printed board are arranged in a projection plane in an optical axis direction of the semiconductor package. The third connection lands are arranged along one side of the rigid substrate.

Abstract: An endoscope includes: a distal-end constituting portion provided at a distal end portion of an insertion portion; a distal end cover attachable to and detachable from the distal-end constituting portion; a movable portion provided in the distal-end constituting portion; a connecting member provided at the movable portion; a pulling and relaxing member that drives the movable portion by being pulled or relaxed; a connecting body provided to the pulling and relaxing member, and attachable to and detachable from the connecting member, the connecting body being detachable from the connecting member in a state where the distal end cover is removed from the distal-end constituting portion; and a tube having flexibility through which the pulling and relaxing member is inserted, the tube including a distal end and a proximal end and being disposed in the distal end portion, the proximal end being detachably connected to the distal-end constituting portion.

Abstract: A flexible tube insertion support apparatus includes a generation section configured to generate propriety information regarding a propriety of a twisting operation of a flexible tube in accordance with a force quantity of an external force applied to the flexible tube when the flexible tube is twisted in a counterclockwise direction or a clockwise direction around a central axis of the flexible tube. The external force is detected by at least one external force detector that is disposed on the flexible tube to be inserted into the subject and configured to detect the external force. The flexible tube insertion support apparatus also includes an output section configured to output the propriety information generated by the generation section.

Abstract: An optical system includes in order from an object side, an objective optical system, a ?/4 wavelength plate including one birefringent material, a polarizing beam splitter which splits light from the objective optical system into two, and an image sensor which picks up two images split. The polarizing beam splitter causes to occur an axial astigmatism of an opposite sign with respect to an axial astigmatism occurred due to the ?/4 wavelength plate, the following conditional expression (1) is satisfied. 1.1?Fno/(d/|?n|)?49??(1) where, Fno denotes an effective F-number of the objective optical system, d denotes a thickness of the ?/4 wavelength plate, and ?n denotes a birefringence of the ?/4 wavelength plate for an e-line, provided that, |0.01|<?n.

Abstract: A manufacturing method of an image pickup apparatus includes: fabricating a plurality of image pickup members each having a light-receiving surface on which a transparent plate is disposed and a plurality of spacers; measuring thicknesses of the transparent plates and the spacers; classifying the image pickup members into first groups depending on the thicknesses of the transparent plates; classifying the spacers into second groups depending on the thicknesses, selecting a combination of any one of the first groups and any one of the second groups such that a sum of the thickness of each of the transparent plates and the thickness of each of the spacers is within a predetermined range with a focusing length of optical members as a center; fabricating stacked bodies by stacking the image pickup members and the spacers in the selected combination; and disposing the optical members on the spacers in the stacked bodies.

Abstract: A medical apparatus remanufacturing method includes: disassembling a housing including a first housing and a second housing. The first housing can include a boss that is press-fitted to a boss hole of a press-fitted portion of a second housing to form an assembled state in which the first housing and the second housing are assembled to each other. The housing is disassembled by changing a temperature of at least one of the boss or the press-fitted portion to decrease a contact surface pressure between the boss and the boss hole, and removing the boss from the boss hole to release the assembled state.

Abstract: A manipulator system includes: a manipulator including a bending portion and a bending wire configured to bend the bending portion; a driving portion configured to pull and loosen the bending wire; and a control device configured to control the driving portion, wherein the control device controls the driving portion to perform an initialization operation that alternately repeats pulling and loosening of the bending wire so that an amount of change in a bending shape of the bending portion compared to when the initialization operation is started falls within a predetermined range.

Abstract: An endoscope imaging unit includes: an objective lens including a first lens and a second lens; an imaging element configured to capture an image formed by the objective lens; a first lens frame configured to hold the first lens, the first lens frame including a lens barrel that holds the first lens and a flange portion that extends outward from an outer peripheral portion of the lens barrel; a second lens frame that is fixed to the first lens frame and holds the second lens; and a holder that accommodates at least part of the first lens frame and the second lens frame therein and holds the outer peripheral surface of the flange portion of the first lens frame; wherein the flange portion is fixed to the holder on a side surface thereof in an extending direction.

Abstract: A treatment system includes: a treatment instrument for cutting living tissue in a liquid; and a controller for performing control, prior to cutting the living tissue with the treatment instrument, to suppress reduced visibility of a treatment area due to turbidity in the liquid caused by the cutting of the living tissue based on preparation information regarding cutting preparation for the treatment instrument.

Abstract: An electrically conductive plate of a treatment instrument includes a treating surface and a back surface facing an opposite side of the treating surface, and an electric component is arranged on the back surface of the electrically conductive plate. The electric component is electrically independent from the electrically conductive plate, and a holder supports the electrically conductive plate from the back surface side. A connector is made of a thermoplastic resin, and arranged on either side of and spaced from the electric component in a width direction intersecting with a longitudinal axis. The connector stationarily fixes each end of the electrically conductive plate in the width direction to the holder.

Abstract: A display processing unit causes a display device to display an endoscopic image of a living tissue in a somatic cavity captured by an endoscope. An operation reception unit receives a user operation that is performed so as to set an area of interest in the endoscopic image. An area-of-interest setting unit sets the area of interest in the endoscopic image based on the user operation. A three-dimensional information acquisition unit acquires three-dimensional shape information of the living tissue captured by the endoscope. A virtual surface derivation unit derives three-dimensional shape information of a virtual surface in the area of interest from three-dimensional shape information of an area different from the area of interest. A size information identification unit identifies information concerning a size of the virtual surface from the three-dimensional shape information of the virtual surface.

Abstract: A system includes a memory that stores a trained model and a processor. The processor acquires a captured image in which at least one energy device and at least one biological tissue are imaged. The processor performs a process based on the trained model stored in the memory to estimate a heat diffusion region and a specific tissue region from the captured image. The processor determines a risk for heat damage on a specific tissue by energy output from the energy device from the estimated heat diffusion region and the estimated specific tissue region.

Abstract: A treatment system includes: a treatment instrument configured to cut living tissue in a liquid; an endoscope configured to capture an endoscopic image including an image of the treatment instrument and an image of the living tissue; a support data storage configured to store, as support data to support a cutting treatment, at least one of data regarding a posture of the treatment instrument and image data on a location of a treatment section of the treatment instrument; a support data generator configured to generate support data to be displayed on a display based on the support data stored; a controller configured to control the display to display the endoscopic image; and a turbidity detector configured to detect a degree of cloudiness of the liquid.