Abstract: A distal end frame includes: a first distal end frame member that includes a resin molded product which constitutes a molded interconnect device; a housing chamber that is provided on a distal end side of the first distal end frame member, and is formed of a recessed portion a distal end and one side of which are opened; a second distal end frame member that is composed of the resin molded product constituting the molded interconnect device, and is configured to close the one side of the housing chamber; a signal pattern that is the metal pattern formed in a region including a first joining surface which is a joining surface with the second distal end frame member, on a surface of the first distal end frame member; and a solder material which is configured to join the first distal end frame member and the second distal end frame member.

Abstract: A cable connection structure includes: cables, each including a jacket and a core wire exposed at an end portion by removing the jacket; a first fixing member configured to fix distal end portions of exposed core wires while holding the cables at predetermined intervals; a second fixing member configured to fix proximal end portions of the exposed core wires while holding the cables at predetermined intervals; and a substrate including a core wire connection electrode configured to electrically connect the core wire at a position between the first fixing member and the second fixing member, wherein the first fixing member and the second fixing member are different members.

Abstract: An optical unit includes a first barrel, a second barrel, a third barrel, and a position detection unit. Eight magnets including first and second magnets are fixed to the first barrel. A first and second coils are fixed to the second barrel. The position detection unit includes a magnetic sensor configured to detect magnetic fields generated by the first and second magnets and to generate a detection signal having a corresponding relation with a position of the first barrel. The third barrel includes a position defining surface parallel to a moving direction of the first barrel. The position detection unit is fixed to the position defining surface.

Abstract: When an operation knob 10 formed of silicone rubber is pushed laterally, a stem 7 tilts with a contact portion (i) as a fulcrum, a push button portion 6b is pushed, and a contact point in a switch mechanism portion 6a operates to turn on a switch circuit. Even if, by a large operating force F3 being applied, the operation knob 10 is extended and the inner surface portion 15, which is a ceiling surface of an internal space 13 of the operation knob 10, rides on an upper end portion 7c, a reinforcing surface 19 provided on the inner surface portion 15 slides on the upper end portion 7c, and the operation knob 10 returns to the initial shape.

Abstract: An image pickup apparatus includes an image pickup member including an image pickup device, a stacked device in which a plurality of semiconductor devices are stacked, a wiring board having a first principal surface and a second principal surface, the wiring board including a central section having a substrate thicker than the image pickup device, an intermediate section that is extended from the central section and is bent, and a terminal section that is extended from the intermediate section, the image pickup member being bonded to the first principal surface of the central section, the stacked device being bonded to the second principal surface of the central section, and a plurality of signal cables bonded to the terminal section.

Abstract: A wire fixing structure includes: a first hole portion through which a wire passes; and a second hole portion which is formed in a direction orthogonal to the first hole portion and communicates with the first hole portion. The wire includes: a first portion which is inserted into and is disposed in the first hole portion; a second portion which is extended from the first hole portion and wound around the outer peripheral portion of a wire fixing member; and a third portion which is inserted into and is disposed in the first hole portion again after the second portion is wound around the outer peripheral portion. The fastening member is inserted into the second hole portion and fixes the first portion and the third portion by pressing in the first hole portion.

Abstract: An information processing device of the present invention is capable of collaboration with a learning device to determine whether an image group that has been obtained in time series by the first endoscope is an image group obtained at a first time or at a second time, and to create a first inference model for image feature determination of images for the first endoscope by performing learning with results of having performed annotation on the image group that was obtained at the second time as training data, the information processing device comprising at least one or a plurality of classifying processors that classify image groups constituting training data candidates, within an image group from the first endoscope that has been newly acquired, or an image group from a second endoscope, using the image group that has been obtained at the first time, when the first inference model was created.

Abstract: An endoscope connector includes: a plug including an electric contact configured to be electrically connected to an external medical apparatus, the plug being provided with a first substrate; a first frame electrically connected to the plug; a second frame electrically connected to the first frame, the second frame being made of metal; a first electric connection member electrically connected to the first substrate; a second electric connection member connected to the first electric connection member; a substrate unit including a second substrate and an electromagnetic shield member covering the second substrate, the electromagnetic shield member being made of metal; and an urging member configured to urge the substrate unit in a direction of the second frame, and to put the electromagnetic shield member into an electric conduction state by causing the electromagnetic shield member to abut on the second frame.

Abstract: An ultrasound endoscope includes: a plurality of piezoelectric elements that are arranged to form a cylinder such that respective longitudinal directions of the piezoelectric elements are aligned, each piezoelectric element being configured to transmit and receive an ultrasound wave; an acoustic lens that is located on outer peripheries of the piezoelectric elements, the acoustic lens being configured to converge ultrasound waves generated by the piezoelectric elements on an outside of the acoustic lens, and transmit ultrasound waves input from the outside of the acoustic lens to the piezoelectric elements; a housing configured to hold distal end sides and proximal end sides of both of the piezoelectric elements and the acoustic lens; and a flexible material that is located between either a distal end or a proximal end of the acoustic lens and the housing, and that has a lower elastic modulus than the acoustic lens.

Abstract: An endoscopic bendable tube includes: an integrally formed resin tube; at least two wires embedded in a tube wall of the resin tube from a proximal end side to a distal end side of the resin tube, the at least two wires being parallel to a tube axis direction of the resin tube and being at positions facing each other; and a plurality of pairs of through slits formed in the tube wall of the resin tube in the tube axis direction, each pair of through slits being formed facing each other in the tube wall of the resin tube.

Abstract: An endoscope includes: an outer cylinder including an outer cylinder distal end portion held by a distal end holding portion provided inside an insertion section and an outer cylinder proximal end portion held by a proximal end holding portion provided on a proximal end side relative to the distal end holding portion; and an inner cylinder provided inside the outer cylinder, the inner cylinder including inside a wire coupled to a movable portion provided in the insertion section, an amount of stretch of the inner cylinder due to bending of the insertion section being larger than an amount of stretch of the outer cylinder due to the bending, the inner cylinder, in a stretch state where the inner cylinder stretches due to the bending, forming a gap in a longitudinal direction of the outer cylinder between the inner cylinder and the proximal end holding portion.

Abstract: An endoscopic treatment method includes: inserting an endoscope into a digestive tract; forming a damaged area in at least a portion of the digestive tract along a circumferential direction by performing cauterizing while keeping a mucosal layer by observing with the endoscope; and forming an incomplete stenosis in the digestive tract, while restoring the damaged area, wherein the damaged area is formed by causing damage to a mucosal base layer, the mucosal base layer having an interface that contacts a submucosal layer.

Abstract: An image-processing device that includes at least one processor which is configured to: set discrete measurement regions in a standard image and a reference image selected from images acquired in a time series manner and calculate motion vectors in the respective measurement regions; set a region of interest in the standard image; select, from the calculated motion vectors, the motion vectors in the set region of interest; estimate a homographic-transformation matrix that represents a motion in the region of interest by using the selected motion vectors; evaluate an error in the homographic-transformation matrix on the basis of the estimated homographic-transformation matrix and the calculated motion vectors; and set, on the basis of the evaluation result for the homographic-transformation matrix estimated on the basis of a first region of interest, a second region of interest a size of which is increased as compared with that of the first region of interest.

Abstract: A light-irradiation-device delivery apparatus includes: a metal needle tube having a longitudinal axis, a side hole, which penetrates from an inner circumferential surface to an outer circumferential surface, and a blade surface at a distal end thereof; an optical fiber that is accommodated inside the needle tube, the optical fiber including a core allowing light to propagate, a clad covering an outer circumferential surface of the core, and an emission area provided at a distal-end section of the optical fiber; and a positioning member that positions the emission area between a distal end and a proximal end of the needle tube in the longitudinal-axis direction. The distal end of the optical fiber is positioned in an interior space of the needle tube in a state where the emission area is positioned between the distal end and the proximal end of the side hole.

Abstract: An optical device includes: an optical system including a moving lens that moves in a direction along an optical axis; a moving frame including a first magnetic body and configured to hold the moving lens; a holding frame formed into a cylindrical shape by a non-magnetic body and configured to movably hold the moving frame on an inner circumferential surface along the optical axis, a drive unit including a magnet and configured to cause the moving frame to move in the direction along the optical axis; and second magnetic bodies arranged between the drive unit and the moving frame and configured to transmit a magnetic force of the magnet to the first magnetic body of the moving frame.

Abstract: An image pickup unit includes a rear group lens barrel which holds the rear group lens, a moving lens barrel which holds the moving lens and which is movable to advance and retreat inside the rear group lens barrel along an optical axis of the observation optical system, an actuator which includes a guide tube and a head member and which is configured to transmit motive power to the moving lens barrel by advance and retreat movement of the head member with respect to the guide tube, and a second stopper member which is positioned and fixed to the rear group lens barrel and which defines a retreat position in a direction of the optical axis of the moving lens barrel, in which the second stopper member also serves as a holding member which holds a distal end side of the guide tube.

Abstract: An image processing device includes: a circuit block in which an operation period is predetermined and intermittent operation is performed according to the operation period; a plurality of SRAMs; and a dummy control circuit configured to increase an intensity of a dummy operation of an unused SRAM among the plurality of SRAMs for a certain period of time before the operation period of the circuit block, and to decrease the intensity of the dummy operation of the unused SRAM among the plurality of SRAMs for a certain period of time after the operation period of the circuit block.

Abstract: An operation switch includes an elastic operation member, a pressing member, and a switch main body. The elastic operation member is formed of an elastic member, and includes a dome portion on one end side and a circumferential plane portion on the other end side. The dome portion is formed in a dome shape in a natural state, elastically deformed to a balanced state with a predetermined tension different from the natural state, and held as a dome shape. The pressing member moves by deforming the dome portion, and presses an electric switch. The switch main body includes a recess for switch in which an electric switch is disposed, a housing hole in which the pressing member is housed, and a central protrusion around which an inner plane of the circumferential plane portion of the elastic operation member is disposed.

Abstract: A manufacturing method of an image pickup apparatus for endoscope includes manufacturing an optical member in which a plurality of optical devices are stacked, and an image pickup member including an image pickup device having a light receiving surface, measuring a position of an image-forming plane on which an object image, light of which is focused by the optical member, is formed, and fixing the optical member and the image pickup member in a state where an interval is adjusted so that a measured position of the image-forming plane becomes a position of the light receiving surface by performing curing processing on a transparent resin disposed to fill an optical path between the optical member and the image pickup member.