Abstract: An endoscope system includes a light source apparatus, an illumination-light setting section capable of setting, as illumination light for illuminating an object including a biological tissue, first illumination light obtained by combining light in one or more wavelength bands selected from the light in plural wavelength bands and second illumination light obtained by combining light in one or more wavelength bands different from the first illumination light, selected out of the light in the plural wavelength bands, a light-source control section, and an image analyzing section configured to acquire an analysis result related to presence or absence of an abnormal finding. The illumination-light setting section sets, based on the analysis result of the image analyzing section for the first image acquired by the first illumination light, a combination of light in wavelength bands included in the second illumination light to be irradiated next.

Abstract: An overtube device includes: a tube body having a bending part and a main body part; a wire having a distal end part fixed to the bending part and a proximal end part positioned on the proximal end side and extending along a longitudinal axis; an operation part capable of pulling the wire to the proximal end side; and an overtube base configured to fix the tube body in a longitudinal axis direction so as not to advance and retract, and configured so that the operation part is provided in a state where the wire is pulled toward the proximal end side of the wire until a curved shape of the bending part is held. In a state where the operation part is mounted on the overtube base, the overtube base holds the wire in a state where the wire is pulled toward the proximal end side of the wire.

Abstract: A distal end frame includes: a distal end frame body including a resin molded product; an image pickup unit housing chamber formed of a bottomed hole with an opening which is formed on a distal end surface of the distal end frame body; a through hole penetrating from a bottom face of the image pickup unit housing chamber to a proximal end side of the distal end frame body; a mounting face formed on the bottom face of the image pickup unit housing chamber; an inclined face that is formed in a region containing a part of an inner wall face of the through hole to be adjacent to the mounting face, and is visible through the opening; and a wiring pattern that is formed of the metal pattern constituting the molded interconnect device, and is continuously formed in a region containing the mounting face and the inclined face.

Abstract: A needle holder includes: a flexible sheath portion which is capable of being inserted into an instrument channel of a flexible endoscope; a first grasping member which is rotatably coupled with a distal end portion of the flexible sheath portion; and a second grasping member which is provided in the distal end portion of the flexible sheath portion. In a state where a curved needle is grasped by a first grasping surface of the first grasping member and a second grasping surface of the second grasping member, the second grasping surface inclines such that a grasped region of the curved needle that is grasped by the first grasping surface and the second grasping surface is positioned between a distal end of the second grasping member and a needle tip of the curved needle in a direction of a center axis of the second grasping member.

Abstract: An endoscopic task supporting system including: an image storage that stores a plurality of endoscopic images acquired in a time series; a three-dimensional data generation unit that generates three-dimensional data indicating a three-dimensional shape of a predetermined part subject to observation, based on the plurality of endoscopic images stored in the image storage; a two-dimensional image generation unit that generates, from the three-dimensional data generated by the three-dimensional data generation unit, a two-dimensional image corresponding to a viewpoint position and a direction of line of sight entered; and a display control unit that causes a predetermined display unit to display the two-dimensional image generated by the two-dimensional image generation unit.

Abstract: A control device includes a processor. The processor acquires an endoscope image that is an image captured by an endoscope; determines whether suction is needed, based on the endoscope image; when the suction is determined to be needed, implements control to carry out the suction; determines a state of a subject based on a change in the endoscope image when the suction is performed; and performs control regarding suction based on the state of the subject.

Abstract: A treatment tool generator includes: a power source configured to supply power to a treatment tool; and a processor configured to control an operation of the power source and the treatment tool, the processor being configured to cause the power source to supply the power to the treatment tool to apply treatment energy to a biological tissue from the treatment tool, calculate a thickness index value to be an index of a thickness dimension of the biological tissue that is grasped by the treatment tool, determine whether it is a change timing to change a control state of at least one of the power source and the treatment tool based on the thickness index value, and perform at least one of a first control, a second control, and a third control upon determining that it is the change timing.

Abstract: An ultrasound probe includes: an ultrasound transducer including plural piezoelectric elements; an acoustic lens layer configured to radiate the ultrasound emitted from the plural piezoelectric elements to outside; a back layer that faces the acoustic lens layer with the ultrasound transducer interposed between the back layer and the acoustic lens layer; and a wiring member having at least a part that is arranged at a first position between the acoustic lens layer and the ultrasound transducer or at a second position that faces the ultrasound transducer with the back layer interposed between the second position and the ultrasound transducer. The wiring member includes: a resin layer having electrically insulating; and an electrically conducting layer that is provided on the resin layer and includes plural signal wirings.

Abstract: An ultrasound transducer includes: a drive unit including a piezoelectric device; a proximal end block; and a distal end block. The distal end block includes a first portion, a supported portion, a second portion, and a third portion. The distal end block is configured such that a position of a boundary between the second portion and the third portion corresponds to or substantially corresponds to an antinode of the ultrasonic vibration while the piezoelectric device generates the ultrasonic vibration, and the ultrasonic vibration is being propagated to the proximal end block, the first portion, the second portion, and the third portion. A resonance frequency of the ultrasonic vibration differs according to a position of the boundary between the second portion and the third portion under a condition that a distance from the supported portion to a distal end of the third portion along the longitudinal axis is constant.

Abstract: An ultrasound transducer includes: a piezoelectric element unit including a plurality of piezoelectric elements configured to generate an ultrasound vibration; and a horn that extends from a distal end toward a proximal end to define a longitudinal axis direction and that is connected to a distal end side of the piezoelectric element unit. The horn includes a first transformation portion whose cross-sectional area orthogonal to the longitudinal axis direction decreases toward a distal end, the first transformation portion being configured to amplify amplitude of the ultrasound vibration, and a second transformation portion that is provided between the first transformation portion and a connection position at which the horn and the piezoelectric element unit are connected, the second transformation portion being configured to amplify or attenuates the amplitude of the ultrasound vibration.

Abstract: A method of manufacturing an ultrasonic transducer module, the ultrasonic transducer module including an ultrasonic transducer, a cable electrically connecting the ultrasonic transducer and a board connectable to an ultrasonic observation device, and a relay board relaying electrical connection between the ultrasonic transducer and the cable, the method including: performing a first molding to form a first part of a casing by molding a single type of resin having an insulation property through a stereo lithographic molding method; and performing a second molding to form a second part of the casing in a state where the ultrasonic transducer, the relay board, and the cable are provided in the first part of the casing, the second part being manufactured by further molding the resin in a side of the first part, in which the ultrasonic transducer, the relay board, and the cable are arranged, through the stereo lithographic molding method.

Abstract: A lithotripsy apparatus includes: a treatment laser beam source that emits a treatment laser beam that crushes a stone; a guide light source that emits guide light; a photodetector that detects return light that returns as a result of the emitted guide light being reflected at the stone; and a processor including hardware, the processor being configured to: measure a distance from the treatment laser beam source to the stone on the basis of the return light; determine a condition of a bubble occurring between the treatment laser beam source and the stone on the basis of the measured distance; and adjust a light quantity of the treatment laser beam on the basis of the determined condition of the bubble.

Abstract: An information processing system includes a storage device that stores therein a trained model, and a processor. The trained model is trained to output a position and shape of an object in a training image based on training data. The training data is data in which the training image is provided with an annotation indicating the position and shape of the object. The training image is an image captured with an angle of view including the object whose position and shape are not clearly displayed in an image. The processor executes detection processing on a detection image to output detected information indicating the position and shape of the object. The processor then causes a display device to display the detected information superimposed on the detection image.

Abstract: A cell inspection method includes a concentrate production step, a staining step, a cell precipitation step, and an observation step. In the concentrate production step, the cell concentrate is produced by causing an inner cylinder which has a filter provided on a bottom surface to enter from the bottom surface side into the through hole of the outer cylinder and bringing the inner cylinder closer to the slide, the inner cylinder having an internal space, and in the observation step, observation is performed in a state where the inner cylinder is entered into the outer cylinder.

Abstract: A wide-angle optical system includes a pair of front side lens units, an optical member, and a pair of rear side lens units. Each of the pair of front side lens units has a negative refractive power. The optical member has a pair of inclined surfaces and a bottom surface, and the pair of inclined surfaces is disposed such that a line of intersection is formed on an object side. Each of the pair of rear side lens units includes a positive lens, and in the pair of rear side lens units, two axes of rotational symmetry are parallel. With respect to two light rays, intersection and reflection occur at the optical member, and the intersection and the reflection occur after the two light rays are transmitted through the pair of inclined surfaces and before two light rays are transmitted through the bottom surface.

Abstract: A light source device includes a plurality of light emitters, an optical system configured to combine light from the light emitters, a wavelength selective filter located on an optical path of the optical system, and an optical sensor configured to receive light from one light emitter among the light emitters through an optical filter. The optical filter has a wavelength selection characteristic corresponding to a wavelength selection characteristic of the wavelength selective filter.

Abstract: An objective optical system includes, in order from an object side: a first group having a negative refractive power; a second group having a positive refractive power; and a third group having a positive refractive power, in which the first group and the third group are fixed and the second group is movable, the first group includes at least two lenses having a negative refractive power, the third group includes, in order from the object side, a 3-1st group having a positive refractive power, a 3-2nd group having a negative refractive power, a 3-3rd group having a positive refractive power, and a 3-4th group having a positive refractive power, and the following conditional expression (1)?? is satisfied: 1.5?Bk/f3?6??(1)??.

Abstract: A lens control device, comprising a first stepping motor that drives a zoom lens contained in the photographing lens, a second stepping motor that drives a focus lens contained in the photographing lens, and a processor that controls the first stepping motor and the second stepping motor, whereby, within a given section in which the zoom lens and the focus lens are driven, there is a period in which at least one of the first stepping motor and the second stepping motor is driven at a constant rate, and the processor makes a time, required to move the specified section with a specified number of pulses, a specified time.

Abstract: A biopsy device includes: a hollow needle; a wire located inside the needle and having a helical drill portion; a rotation mechanism moving the drill portion; a sheath covering the needle, the needle and the wire being movable in a longitudinal direction of the needle with respect to the sheath; and an operating unit on a proximal side of the needle, the wire, and the sheath. The unit includes: a main body fixed to a proximal end of the sheath; and a knob fixed to a proximal end of the wire and supported by the main body so as to be movable in the longitudinal direction and rotatable about a longitudinal axis of the wire. The mechanism includes: a threaded portion, on the main body, having a pitch equal to a pitch of the drill portion; and a joint portion, on the knob, joined to the threaded portion.

Abstract: A medical ultrasound incision device includes: a probe configured to vibrate ultrasonically; a jaw configured to be opened and closed relatively to the probe and hold a body tissue between the probe and the jaw; and a pad that is positioned between the probe and the jaw, the pad being configured to prevent direct contact between the probe and the jaw in a state where the jaw has been closed, the pad including polyethylene having molecular weight larger than 4,400,000.