Abstract: A semiconductor device according to an embodiment includes a plurality of element arrays, a signal-processing circuit, and a comparison-voltage generation circuit. Each element array is selectively connected to a vertical signal line and includes an amplification transistor configured to output a first analog signal on the basis of an input analog voltage and an actual value of variation of a characteristic value of each element array included in the plurality of element arrays. The comparison-voltage generation circuit is configured to output a gradually increasing or gradually decreasing comparison voltage. The signal-processing circuit includes a storage circuit and is configured to compare the first analog signal with the comparison voltage and store a timing at which the comparison voltage and a value of a second analog signal generated by adding a predetermined absolute value to the first analog signal match each other onto the storage circuit.

Abstract: A data processing device applies a first convolutional neural network layer to pieces of data included in a mini-batch to obtain a first feature map of each of the pieces of data, independently calculates a first statistic for each of the pieces of data based on the first feature maps, calculates a normalization parameter for each of the pieces of data based on the first statistic of each of the pieces of data and a cumulative statistic, normalizes the first feature map of each of the pieces of data by using a normalization parameter of each of the pieces of data to obtain a normalized feature map of each of the pieces of data, and applies a second convolutional neural network layer to the normalized feature map of each of the pieces of data to obtain a second feature map of each of the pieces of data.

Abstract: An endoscope reprocessing method includes: cleaning, disinfecting, or sterilizing an inside of a pipe line and an outer surface of an endoscope accommodated in a treatment tank; rinsing the outer surface of the endoscope with a rinsing liquid while filling the inside of the pipe line of the endoscope with gas; collecting a first sample from the rinsing liquid used for rinsing the outer surface of the endoscope; rinsing the inside of the pipe line of the endoscope with the rinsing liquid; and collecting a second sample from the rinsing liquid used for rinsing the inside of the pipe line of the endoscope.

Abstract: A welded structure, in which a second tubular member is welded to an inner circumference of a first tubular member made of metal, the second tubular member being made of metal and having an outer diameter smaller than an inner diameter of the first tubular member, includes welded portions at which a portion of the first tubular member and a portion of the second tubular member are melted and solidified, a surface melted and solidified from an inner circumferential surface side of the first tubular member toward an end surface of the second tubular member forms a smoothly-continuous curved surface, and the first and the second tubular members are bonded to each other. A portion of each of the welded portions is located on an outside of a projection region obtained by projecting the second tubular member onto an outer surface of the first tubular member.

Abstract: An objective optical system for endoscope includes a first lens having a negative refractive power, a second lens having a positive refractive power, an aperture stop, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a positive refractive power. The second lens is a meniscus lens having a convex surface directed toward an image side and the third lens is a meniscus lens having a convex surface directed toward the image side. A cemented lens having a positive refractive power is formed by the fourth lens and the fifth lens. The sixth lens is cemented to an image sensor, and the following conditional expression (1??) is satisfied: 1?(r3f+r3r)/(r3f?r3r)?5??(1??).

Abstract: The disclosed technology is directed to an ultrasonic probe comprises a probe main portion configured to transmit ultrasonic vibration generated by an ultrasonic transducer. A treatment portion is configured on a distal side of the probe main portion along a longitudinal axis thereof. The treatment portion includes first direction surfaces disposed in a first direction intersecting the longitudinal axis and second direction surfaces that are adjacent to the first direction surfaces and are disposed in a second direction different from the first direction surfaces. The first direction surfaces further includes a plurality of surfaces formed into a staircase shape when being viewed from the treatment portion and one or more surfaces formed into a staircase shape when being viewed from a side opposed to the distal side of the treatment portion. The second direction surfaces further includes a plurality of surfaces formed into a staircase shape toward the distal side.

Abstract: A signal processing device includes: a processor including at least one or more pieces of hardware, the processor being configured to: switch to one of a first state in which an input of a clock signal for operating an imager to the imager is permitted and a second state in which the input of the clock signal to the imager is prohibited, and temporarily switch from the first state to the second state when a first synchronization signal output from a first synchronization signal generation circuit and a second synchronization signal output from a second synchronization signal generation circuit are not synchronized.

Abstract: An endoscope apparatus includes first and second optical lenses that are separately provided at a distal end portion of an endoscope, and form first and second optical images, respectively, an optical path length changing filter that makes optical path lengths of the first and second optical images different, an image pickup device that performs image pickup of the first and second optical images to generate first and second image pickup signals, and a processor that generates first and second images from the first and second image pickup signals, corrects parallax, removes an area including a figure present only in one of the first and second images, and combines respective focusing areas of the first and second images to generate an endoscope image.

Abstract: A server apparatus communicates with a user terminal. The server apparatus includes a first storage area storing patient information and patient identification information, and a second storage area storing medical device identification information used for patient treatment, patient identification information on the patient that receives treatment by using the medical device, and status information indicating whether treatment is being provided.

Abstract: An endoscope system includes: an endoscope that is capable of bending; an actuator that outputs a driving force for bending the endoscope; and a processor that is capable of communicating with the actuator, wherein the processor controls the actuator by switching at least two modes related to curvature control, generates a first identifier, which is information for identifying a case in which the endoscope is used, generates usage status information, which is information related to a usage status of a mode, and associates and outputs the first identifier and the usage status information.

Abstract: A medical system includes an endoscope configured to include an insertion portion inserted into a body cavity, a drive device configured to be detachably connected to the endoscope and electrically drive the endoscope, and a controller configured to be communicably connected to the drive device and to which an operation for electrically driving the endoscope is input, in which the insertion portion includes a first joint and a second joint configured to be independently driven and controlled by the drive device based on the operation input to the controller.

Abstract: An endoscope system includes an endoscope, a control apparatus to which the endoscope is connected, at least one accessory device used in combination with the endoscope and the control apparatus, and data tags respectively provided in the endoscope and the accessory device. The control apparatus reads first data of the respective data tags, compares second data respectively registered about the endoscope and the accessory device and the first data, and performs warning when the first data and the second data do not coincide.

Abstract: The endoscope has an insertion portion, an imaging unit, and a member formed in a given dimension. The insertion portion has an apical portion, an actively curvable portion, and a treatment device channel. The actively curvable portion is located on the proximal side of the apical portion. The treatment device channel is positioned along the longitudinal axis of the insertion portion. The insertion portion is formed of resin. One or more radiopaque members, formed of knowns dimensions, are coated on a surface of the insertion portion or placed in, buried or covered laterally in the insertion portion. The X-ray transmittance of the radiopaque members is different from the X-ray transmittance of the resin forming the insertion portion.

Abstract: A controller to which an operation for driving an endoscope is input, includes: a controller body formed in a substantially rod shape extending along vertical direction; a main body provided at upper side of the controller body; a grip provided at lower side of the controller body; and an opening provided on a side surface of the controller body and comprising a part into which a treatment tool can be inserted and removed from the upper side, wherein the main body comprises a touch-sensitive interface to which the operation for driving the endoscope is input, and the controller body comprises a pressing surface along an advancing/retreating path of the treatment tool that advances/retreats with respect to the part of the opening.

Abstract: A medical manipulator includes a flexible shaft, a distal-end portion, an operating unit with which the distal-end portion is operated, a wire transmitting a motive force of the unit to the distal-end portion, a coil formed from a material having a greater rigidity than the shaft and one end thereof being secured to the distal-end portion and the other end thereof being secured to the unit, and a tube having a greater bending rigidity than the coil. The unit includes a socket connected to the shaft, a ball relatively rotatable to the socket, and a handle with which the wire is pushed/pulled in the longitudinal direction, the coil is disposed at a position at which the coil covers an area surrounding the wire, and the tube is disposed at a position at which the tube covers an area surrounding the coil in spaces in the socket and the ball.

Abstract: A processing apparatus includes a processor configured to: compare a first index with a first reference value that has been determined for the first index, the first index indicating a receiving performance of a wireless signal that has been received by a receiving antenna from a medical device; perform switching to a first mode or a second mode based on a result of the comparing; and when the switching has been performed to the second mode, set a radiation direction of the receiving antenna toward a section in which a second index satisfies a condition relative to a second reference value that has been determined for the second index, from among a plurality of sections from which the receiving antenna receives the wireless signal, the second index indicating the receiving performance of the wireless signal that has been received.

Abstract: An endoscope as an insertion device includes an insertion portion main body extended in a direction of a longitudinal axis and having flexibility, a motor provided in an operation portion disposed on a proximal end side of the insertion portion main body, a transmission member inserted into the insertion portion main body, extended outward the insertion portion main body along the longitudinal axis, rotated around an axis by driving force of the motor, and transmitting the rotation to a distal end side of the insertion portion main body, and a detection device detecting a position along the longitudinal axis of the insertion portion main body at a predetermined site of the transmission member.

Abstract: An ultrasound diagnostic apparatus includes a drive circuit configured to transmit a drive signal to an ultrasound transducer, a receiving circuit configured to receive an echo signal from the ultrasound transducer, and a processor. The processor obtains, based on the echo signal or a user input, target information containing at least one of a distance from the ultrasound transducer to a target region containing liquid or a size of the target region, and sets, based on the target information, a drive condition under which an acoustic streaming generating ultrasound transmitted by the ultrasound transducer generates acoustic streaming in the liquid in the target region.

Abstract: An endoscope includes an operation portion provided on a proximal end side of an insertion portion and a treatment instrument insertion port to which a treatment instrument is inserted, and includes a forceps pipe sleeve provided in the operation portion with an axis direction of a central axis passing through the treatment instrument insertion port being different from an axis direction of the insertion portion, a flexible channel tube extending in a bent state from a proximal end of the insertion portion toward a forceps pipe sleeve and connected to the forceps pipe sleeve by insertion inside the operation portion, and a guide wall provided inside the operation portion and being contactable with an outer side portion of a bend of the channel tube by abutting on the channel tube.

Abstract: A medical manipulator includes a multi-lumen tube including a flexible portion and a bending portion at a distal end of the flexible portion, a distal-end portion at a distal end of the bending portion, a proximal-end portion at a proximal end of the flexible portion, wires causing the bending portion to be bent, a reinforcement coil one end thereof being secured to the distal-end portion and the other end thereof being secured to the proximal-end portion, a flexible-portion cover member, and a bending-portion cover member formed more flexible than the flexible-portion cover member. The flexible and bending portions include a first lumen passing through the tube and into which the coil is inserted, and second lumens passing through the tube at positions farther outside than the first lumen is and into which the wires are inserted. The coil is disposed along an inner surface of the first lumen.

Abstract: A medical system comprises: an endoscope comprising a joint; and a drive device that generates a driving force that bends the joint. The endoscope comprises a first tube comprising the joint, a second tube, a connecting portion that rotatably connects the first tube and the second tube about a rotation axis extending in longitudinal direction of the endoscope, and an attachment or detachment portion that connects the second tube and the drive device so that the driving force can be transmitted. The drive device bends the joint by transmitting the driving force to the joint via the second tube, the connecting portion, and the first tube.

Abstract: An endoscope includes: an operating portion; an insertion tube that has a central axis; a bendable tube that is bendable in a curvature direction orthogonal to the central axis, the bendable tube including a plurality of bendable tube pieces that are arrayed along the central axis, adjacent bendable tube pieces being connected to each other by a pair of connection portions, the pair of connection portions being arranged line-symmetric with respect to the curvature direction; a distal end rigid portion that is provided on a distal end side of the bendable tube; and a wire having a first end connected to the operating portion, and a second end connected to either the bendable tube or the distal end rigid portion.

Abstract: An endoscope system includes: an endoscope including an insertion portion having a joint and first and second wires fixed on both sides of the joint; a drive device that is connected to the endoscope and bends the joint by driving the first and second wires; and a processor that controls the drive device. The processor can perform position control that controls traction amount or delivery amount of one of the first and second wires based on target position for bending the joint, and tension control that controls traction amount or delivery amount so that tension of the other of the first and second wires matches a specified set value, and execute a drive mode in which one of the first and second wires is controlled by the position control and the other of the first and second wires is controlled by the tension control.

Abstract: A control device includes: a power source configured to supply a predetermined power-supply voltage to an imaging element; a voltage detector configured to detect an output voltage value of the power-supply voltage supplied by the power source; and a processor comprising hardware, the processor being configured to supply an adjusted voltage value from the power source to the imaging element based on a voltage value of the power-supply voltage detected in the imaging element and on the output voltage value detected by the voltage detector, calculate a delay time from timing when the voltage value of the power-supply voltage is detected in the imaging element until timing when the power source supplies the adjusted voltage value to the imaging element, and control supply timing when the power source supplies the adjusted voltage value based on the delay time.

Abstract: A processing device includes a processor, the processor being configured to: acquire a captured image of an inside of a lumen; acquire lumen structure information indicating a structure of the lumen; determine whether the captured image can be analyzed or not and output analysis allowability/non-allowability information indicating whether the captured image is in an analysis allowable state or not based on the captured image and first determination criteria; associate the analysis allowability/non-allowability information with the structure of the lumen based on the analysis allowability/non-allowability information and the lumen structure information to identify an analyzable portion and an unanalyzable portion of the structure of the lumen; and determine that the identified unanalyzable portion is a missed portion based on position and orientation information of a distal end of an insertion section to be inserted in the lumen and second determination criteria.

Abstract: A connection joint includes: a first sleeve that is formed such that an end portion of a first tube arranged in an endoscope is externally fitted to the first sleeve; a first pusher configured to apply bias to the first sleeve from an outer peripheral side of the first sleeve; and a first bias releasing portion configured to press the first pusher in an outer peripheral direction of the first sleeve to release the bias.

Abstract: A signal processing device includes a processor including at least one or more pieces of hardware. The processor is configured to: when a first synchronization signal from a first synchronization signal generation circuit, the first synchronization signal generation circuit receiving a first clock signal and outputting the first synchronization signal, and a second synchronization signal output from a second synchronization signal generation circuit are not synchronized, reset the first synchronization signal generation circuit, and in a period in which the first synchronization signal generation circuit is reset, set a frequency of the first clock signal to be higher than a frequency in another period.

Abstract: A distal end portion includes: an imager that is held by a metal lens frame; a distal end frame that is made of an electric insulating material and includes a through hole; an electrically conductive exterior portion; a first electrical conductor pattern that has a first end and a second end, the first end being in contact with the lens frame, the second end being connected to a first terminal that is in contact with the exterior portion; and a second electrical conductor pattern that is formed independently of the first electrical conductor pattern, and has a first end and a second end, the first end of the second electrical conductor pattern being in contact with the lens frame, the second end of the second electrical conductor pattern being connected to a second terminal that is not in contact with the exterior portion.

Abstract: A medical system includes a processor. The processor is configured to calculate a presence probability of a lesion in a not-yet-observed region inside a hollow organ of a patient, the not-yet-observed region being specified on the basis of an image that has been captured by an imaging sensor of an endoscope inside the hollow organ, and spatial disposition information of a distal end of an insertion part of the endoscope.

Abstract: An endoscope includes, in a distal end frame constituting a distal end portion, an objective optical unit including a voice coil motor that moves a moving lens frame forward and backward in a direction of an optical axis by using a plurality of magnets arranged on a periphery of the moving lens frame, and a plurality of internal components made of magnetic material and arranged around the objective optical unit. At least one of the internal components is arranged at a position where at least a part thereof intersects one of straight lines each connecting an extreme point of one of valleys of a specific isomagnetic line of magnetic fields formed by the magnets and one of two inflection points of the specific isomagnetic line, the two inflection points being located, with the one of the valleys positioned between the two inflection points.

Abstract: An optical unit includes a fixed barrel configured to accommodate a moving barrel configured to hold an optical element configured to form an object image and formed of a nonmagnetic body to be able to advance and retract between a first position and a second position in a direction along an optical axis, a first magnet provided at the fixed barrel and configured to attract the moving barrel in a first direction along the optical axis to hold the moving barrel at the first position, a coil configured to attract the moving barrel in a second direction opposite to the first direction along the optical axis to hold the moving barrel at the second position by a magnetic field generated by being energized, and a second magnet provided at the moving barrel and configured to be attracted by the first magnet and the magnetic field of the coil.

Abstract: An endoscope includes an optical laminate and an image sensor. The optical laminate includes a first optical member that is a glass lens where an optical window is formed in a planar substrate, including a recessed portion or a protruding portion around the optical window, and a second optical member having a flat surface facing the substrate of the first optical member, and including a protrusion made of resin for being fitted with the recessed portion or the protruding portion. The flat surface of the second optical member is a surface of a glass substrate on the first optical member side. A resin lens of the second optical member is arranged on a surface on an opposite side of the flat surface. A flat portion excluding the optical window and the recessed portion or the protruding portion is in contact with the flat surface of the second optical member.

Abstract: A medical system includes: an endoscope having an insertion portion; a display; and a processor, wherein the processor generates a three-dimensional model showing a curved shape of the insertion portion, and displays the generated three-dimensional model on the display, acquires first information regarding an insertion direction of the insertion portion, acquires second information regarding a line-of-sight direction of an operator, and determines a line-of-sight direction of the three-dimensional model displayed on the display based on the first information and the second information.

Abstract: An endoscope comprising: an objective optical system; an imager having a light receiving plane that faces an emitting plane of the objective optical system; a semiconductor device provided so as to face a plane, of the imager, opposite to the light receiving plane; and a conductive member that covers the objective optical system, the imager, and the semiconductor device, the conductive member having an external dimension that is identical between a side of the objective optical system and a side of the imager. A distance from an end portion of the semiconductor device in a direction orthogonal to an optical axis of the objective optical system to an inner wall of the conductive member is shorter than a distance from an end portion of the imager in the direction orthogonal to the optical axis of the objective optical system to the inner wall of the conductive member.

Abstract: A bending piece of a bending portion for endoscope is provided with: an annular wall portion; a plurality of wire inserting portions in which the wall portion has a first wall thickness; thin wall portions having a second wall thickness thinner than the first wall thickness; and a thick wall portion that is a part of the wall portion different from the thin wall portions between the plurality of wire inserting portions around a longitudinal axis, the thick wall portion formed to have a third wall thickness that is equal to or less than the first wall thickness and is thicker than the second wall thickness.

Abstract: A turn fixing mechanism portion of an endoscope apparatus includes: a turning portion connected to a turning unit turnably disposed; a fixed portion configured to turnably support the turning portion; an elastic member interposed between the turning portion and the fixed portion; and a holding member configured to fix a turned position of the turning unit by pressing the turning portion toward a side of the fixed portion to compress the elastic member in a turning axis direction to generate a predetermined frictional force.

Abstract: A medical manipulator system includes: an endoscope; a first manipulator equipped with a first treatment tool at a distal end thereof; a second manipulator equipped with a second treatment tool at a distal end thereof; a display for a user to view; and a controller configured to generate an image to be displayed on the display. The controller is configured to: acquire a first image taken by the endoscope, the first image contains the first treatment tool; and in response to determining that the second treatment tool does not exist in the first image: calculate a relative distance and a relative direction between the first treatment tool and the second treatment tool; generate a second image showing the relative distance and the relative direction between the first treatment tool and the second treatment tool; and send the first image and the second image to the display.

Abstract: An insufflation device includes: a gas feeding conduit for feeding a predetermined gas which is fed from a gas supply source into a body cavity; and a processor. The processor measures a gas feeding time period until a predetermined amount of the gas is fed according to a set pressure, measures a pressure in the body cavity, calculates a gas discharging time period based on the set pressure and a measurement result of the measured pressure; and adjusts a gas feeding flow rate of the gas according to a difference between the measured gas feeding time period and the calculated gas discharging time period.

Abstract: In an energy control device, a processor detects a gradual decrease start time at which the electric characteristic value in relation to electric energy output to an ultrasonic transducer starts a gradual decrease after a gradual increase. The processor calculates a difference value by subtracting the electric characteristic value from a peak value at gradual decrease start time and calculates an integrated value of the difference value from the gradual decrease start time. The processor executes, based on a fact that the integrated value become greater than a predetermined threshold, at least one of causing to stop or reduce the output of the electric energy to the ultrasonic transducer, and notifying that the integrated value become greater than the predetermined threshold.

Abstract: A light treatment system includes: a probe configured to be inserted into a body cavity, the probe including an optical fiber configured to propagate light, and a light emitter that is provided at a distal end of the optical fiber, the emitter being configured to emit the light; a balloon catheter into which the probe is inserted, the balloon catheter including a distal end portion that is to be inserted into the body cavity and that is to be dilated by being supplied with a liquid including air bubbles; and an air bubble generator configured to generate the air bubbles to be included in the liquid and change a property of the air bubbles.

Abstract: An endoscope connection tube includes a fluid feeding pipeline that has a first end portion connected to a pipe sleeve of an endoscope, and a second end portion connected to a fluid supply source; a seal portion that is provided in the first end portion of the fluid feeding pipeline, includes a close contact surface configured to closely contact the pipe sleeve to surround an opening portion of the pipe sleeve, and is configured to connect an inside of the fluid feeding pipeline and an inside of the opening portion when the close contact surface closely contacts the pipe sleeve; and a detection pipeline that has a first end portion opened in the close contact surface, and is configured to be closed by the pipe sleeve when the close contact surface is in close contact with the pipe sleeve.

Abstract: An endoscope contamination detection device includes: a light source that irradiates an endoscope with light having a specific wavelength; an image sensor that receives fluorescence emitted by a deposit adhering to a surface of the endoscope; and a control device having a processor, wherein the processor acquires a signal from the image sensor, generates an image from the signal, detects luminance values of a plurality of pixels of the image, and determines a contamination degree of the endoscope, based on the luminance values.

Abstract: A surgical support system includes a processor that establishes communication connection with a terminal. The processor performs processing of displaying a display screen on a terminal to present the display screen to a member other than a surgeon among operation team members via the terminal.

Abstract: A medical catheter includes a multi-lumen tube including a first lumen and a second lumen; an extension tube fixed to an end surface in a longitudinal direction of the multi-lumen tube, extending from the end surface along the longitudinal direction, and including a third lumen communicating with the first lumen; and an outer wall portion extending from the multi-lumen tube along the extension tube and configured to cover a part of an outer surface of the extension tube, the outer wall portion including a pipeline formed to communicate with the second lumen and having a part of the outer surface in an inner surface of the pipeline.

Abstract: An endoscope system includes: an insertion body inserted into a lumen; an objective optical system that is provided in the insertion body and acquires light from a subject as subject light; an image sensor that performs imaging based on the subject light to acquire a captured image within a field of view; a turning mechanism that causes a distal end of the insertion body to rotate around a reference axis that is an axis of the insertion body; an advancing/retreating mechanism that moves the insertion body in a direction corresponding to the reference axis; and a processor that includes hardware and is configured to control the turning mechanism and the advancing/retreating mechanism to control the field of view of the image sensor. The processor controls the turning mechanism and the advancing/retreating mechanism to perform scan of an inner wall of the lumen based on the field of view.

Abstract: A surgical support system includes a processor configured to establish communication connection with a first terminal and a second terminal. The processor performs processing of displaying a first check list on the first terminal to present the first check list to a first member. When accepting input to the first check list from the first member via the first terminal, the processor performs processing of displaying on the first terminal the first check list the check status of which is changed in accordance with the accepted input. The processor does not accept change of check status of the first check list from the second member.

Abstract: A waste bin management unit manages identification information of a waste bin and identification information and a disposal date of the medical device that has been disposed of in the waste bin in association with each other. The waste bin management unit sets a scheduled date for collecting the waste bin based on at least either one of the number of medical devices that have been disposed of in the waste bin and the disposal date.

Abstract: A training data generation device includes a computer, and a computer-readable storage medium. The computer is configured to: receive an input of an annotation for second image data obtained by imaging an observation target; reflect a result of the annotation in first image data that is related to the same observation target as the observation target of the second image data, the first image data having a different at least one of imaging mode and display mode from the second image data; and generate training data for creating an inference model by using the first image data and the result of the annotation reflected in the first image data, the first image data including image data of a plurality of images, and the second image data being image data of an image obtained by combining the plurality of images included in the first image data.

Abstract: An optical unit includes a transparent first substrate, a transparent second substrate, a transparent first projection forming a part of an optical path, and a first aperture configured by black resin filled in a periphery of the first projection between the first substrate and the second substrate.