Abstract: A treatment system includes a treatment tool having a heater and bipolar electrodes to grip a treatment target. An energy source apparatus is used to electrically communicate with the treatment tool. The energy output source is configured to output high-frequency electric power to the bipolar electrodes through a first circuit. A high-frequency current flows through the treatment target between the bipolar electrodes. The energy output source is configured to output heater electric power to the heater for generating heat through a second circuit. At least one processor is used to control the energy output source.

Abstract: An endoscope treatment tool includes: a sheath; an operating wire in the sheath; a gripping portion provided at a distal end of the operating wire and having one or more wires; a tip attached to a distal end of the sheath; and a resin member disposed at a position adjacent to the tip on a radially inner or outer side thereof, wherein the tip includes clearance grooves extending toward a proximal end of the tip from a distal end of the tip, passing therethrough from an inner circumferential surface of the tip to an outer circumferential surface of the tip, and having sizes enabling the wires to pass therethrough, and at least proximal-end sides of the grooves overlap with the member in a radial direction of the tip and a distal end of the member is disposed farther on a distal-end side than proximal ends of the grooves are.

Abstract: An image processing apparatus includes: a dividing processing circuit configured to divide an imaging signal that is obtained by capturing an image of inside of a subject into a first base component and a detail component, the first base component corresponding to an illumination component of an object, the detail component corresponding to a reflectance component of the object; a color enhancement processing circuit configured to generate a second base component by performing a color enhancement process on the first base component, the color enhancement process being a process of increasing color gradation of a mucosa color in a predetermined color space; and a synthesizing circuit configured to synthesize the second base component and the detail component to output a synthesized signal.

Abstract: A medical device includes a thermal source that generates heat, a base that has an outer surface and to which the heat from the thermal source is transferred, a first coating that contacts one part of the outer surface of the base and a second coating that is provided on the outer surface of the base, and is exposed and electrically conductive. The second coating supplies, a high-frequency current to an object to be treated. The medical device also includes a laminated portion that includes the first coating in the outer surface of the base extends and a portion of the second coating that is laminated on the first coating.

Abstract: A method for anastomosing an alimentary tract according to a first aspect of the invention includes a first step of inserting an endoscope into an alimentary tract through a natural opening in a state where a distal end part of a tube body is coupled to an outer periphery of a distal end part of the endoscope; a second step of making a hole in a tract wall of the alimentary tract; a third step of inserting the tube body through the hole; a fourth step of grasping the distal end part of the tube body disposed through the hole; a fifth step of separating the tube body from an outer periphery of the distal end part of the endoscope; and a sixth step of delivering the treatment part up to the hole after the fifth step.

Abstract: An imaging system includes: a light source configured to emit illumination light; an imager configured to store an electric charge corresponding to an amount of received light and read out the stored electric charge as a signal value by using a rolling shutter method; a frequency detector configured to detect a vibrational frequency of a predetermined site of a subject; and an illumination controller configured to control emission of the illumination light during a readout period of the signal value. The illumination controller is configured to set a phase for an emission timing of the illumination light in an exposure period during which the imager stores the electric charge to be an identical phase at the frequency in each frame, and refer to respective phases set in exposure periods of chronologically adjacent frames to set an emission timing of the illumination light in the readout period.

Abstract: An image processing apparatus includes a processor including hardware. The processor is configured to: calculate a motion evaluation value on a motion of a subject in a determination target frame; acquire a difference evaluation value of the determination target frame; determine whether to perform defective pixel detection on an image of the determination target frame by using the motion evaluation value and the difference evaluation value; and when it is determined that the defective pixel detection is to be performed, detect a defective pixel by determining whether a pixel of interest that is a determination target is a defective pixel with respect to the image of the determination target frame, based on a pixel value of the pixel of interest and pixel values of neighboring pixels that are located in a vicinity of the pixel of interest.

Abstract: A medical manipulator including an insertion portion, where the insertion section including a bending portion and an end effector disposed on a distal end side of the insertion portion. The medical manipulator further including an actuator configured to generate a first drive force for moving the bending portion; a lever configured to generate a second drive force for moving the bending portion, the lever being used to move the bending portion instead of the actuator; a wire configured to transmit the first drive force or the second drive force to the bending portion; and a transmission blocking device configured to switch from the first drive force to the second drive force.

Abstract: A flexible tube insertion apparatus includes a flexible tube having flexibility and configured to be inserted into an object to be inserted, one or more external force detectors disposed on the flexible tube and configured to detect a force of an external force applied to the flexible tube when the flexible tube is twisted in at least one direction, and a providing device configured to provide twisting information regarding a twisting direction of the flexible tube for releasing a loop section formed in the flexible tube, according to a direction in which the flexible tube is twisted and the detected force of the external force.

Abstract: An ultrasound endoscope includes: a balloon suction duct that is provided inside an insertion portion and that is where liquid inside a balloon is suctioned through, the balloon covering an ultrasound transducer positioned at a distal end of the insertion portion; a rigid portion that includes a balloon groove and an end surface positioned at an end portion of the rigid portion, the end portion being on a distal end side of the balloon groove, the end surface being a surface intersecting a longitudinal direction of the insertion portion, the end surface having an opening formed thereon, the opening communicating with the balloon suction duct; and a holder that is positioned on a distal end side of the rigid portion, the holder being configured to hold the ultrasound transducer.

Abstract: Treatment device with clip is reciprocally closed and opened in one operation and locked in a second, distinct operation. The clip has a first arm and second arm which are configured to move in a direction toward and away from each other to close and open the clip; a wire connected to a proximal end of the clip configured to reciprocally move within a sheath to close and open the clip; and one or more latch elements on the clip configured to lock the clip in a closed state. Operating the wire does not lock the clip in a closed state in a single operation. Rather, the clip can be locked by another operation that is distinct from operating the wire for reciprocal movement, such as operating a stopper, an inner sheath reciprocally movable to slid over the clip arms, or a locking ring slidable over the clip arms.

Abstract: An image processing apparatus includes an inference part which is capable of inference by using a first inference model for finding of a specific target object and by using a second inference model for discrimination about the specific target object and a control unit to which a first picked-up image obtained under a first image pickup condition and a second picked-up image obtained under a second image pickup condition different from the first image pickup condition can be inputted and which performs control such that in a case where the first picked-up image is inputted, the inference part is caused to execute inference by using the first inference model, and in a case where the second picked-up image is inputted, the inference part is caused to execute inference by using the second inference model.

Abstract: An image pickup apparatus includes a stacked device in which a plurality of semiconductor devices respectively including a plurality of through electrodes are stacked, a first semiconductor device, among the plurality of semiconductor devices, in which thermal resistance of a through electrode is highest among the plurality of through electrodes, is disposed in front of a first surface on which a first circuit that is one of the semiconductor circuits having a largest heat generation amount is formed, the plurality of through electrodes of the first semiconductor device are conformal vias, and the plurality of through electrodes of semiconductor devices other than the first semiconductor device are filled vias.

Abstract: A treatment device for treating a target tissue includes a drive source having a transducer configured to convert electrical energy to mechanical vibrations, an instrument having a blade connected to the drive source and configured to apply the mechanical vibrations to the target tissue, and a control unit configured to control a supply of electrical energy to the drive source. The control unit is configured to automatically adjust the supply of electrical energy to the drive source in response to a detection of a change in a resonance frequency of the blade. The change in resonance frequency of the blade occurs after the target tissue has been completely cut by the blade.

Abstract: Provided is a light distribution inspection device capable of accurately and easily inspecting light quantity and luminous intensity distribution of light emitted from a light guide member. A light distribution inspection device comprising a processor, wherein the processor is configured to: acquire, based on a plurality of beams of inspection light each incident on a light guide of an illumination device, a light quantity distribution characteristic of each of a plurality of beams of emission light emitted from each of a plurality of emission sections of the illumination device optically connected to the light guide, in association with incident position information of each of the beams of inspection light; calculate light distribution information of the illumination device, based on each of pieces of the incident position information and each of the light quantity distribution characteristics; and analyze the light distribution information to calculate light quantity and luminous intensity distribution.

Abstract: An ultrasound probe includes a treatment portion that is formed at a distal end of a probe body that can transmit input vibration energy. The treatment portion can vibrate with a predetermined amplitude to cut a treatment target object. The treatment portion includes: a first striking face that faces in a distal direction along an axial direction of the ultrasound probe; a second striking face that faces in the distal direction at a position on a proximal end side of the first striking face in the axial direction; and a first side surface that connects the first striking face and the second striking face in the axial direction and that has a predetermined length in the axial direction. The first side surface has a length that is equal to or less than an amplitude of vibration of the treatment portion caused by the input vibration energy.

Abstract: There is provided an objective optical system, an image pickup apparatus, and an endoscope that are small in size and easy to assemble. The objective optical system includes, in order from the object side to the image side, a negative front lens group, an aperture stop, and a positive rear lens group. The front lens group includes a negative first lens disposed closest to the object, a meniscus second lens having a convex surface facing toward the image side, and a view-direction changing element. The objective optical system satisfies the following conditional expressions (1) to (4): 9<FL2/FL<15 (1) 0.3<FL1/FLf <0.64 (2) 95<(r2f+r2r)/(r2f-r2r)<?18 (3) 2.8<FLr/FL<4 (4).

Abstract: An endoscopic examination supporting apparatus includes at least one processor including hardware. The processor acquires insertion shape information indicating an insertion shape of an insertion section of an endoscope inserted into a subject, evaluates, based on the insertion shape information, a procedure including inserting operation for the insertion section performed by a user who operates the endoscope during an endoscopic examination, and generates procedure evaluation information.

Abstract: An endoscope includes: an image sensor having a light receiving plane; a laminate provided to be opposed to an opposite side of the image sensor from the light receiving plane and having a plurality of layers formed by lamination of a plurality of semiconductor elements; and an insertion section having the image sensor and the laminate therein. The laminate includes: a first active layer in which a first active element is provided; a first passive layer in which a first passive element is provided and which is provided between the first active layer and the image sensor; and a through-silicon via provided in each of the first active layer and the first passive layer.

Abstract: A reversal system for an endoscope, the reversal system including: first and second outer achromats each comprising at least two lenses, wherein the first and second outer achromats have an outer diameter; first and second inner achromats arranged between the first and second outer achromats, wherein each of the first and second inner achromats comprises at least two lenses; and a holding sleeve for accommodating the at least two lenses of one or more of the first and second inner achromats, wherein the holding sleeve with the at least one of the first and second inner achromats is arranged between the first and second outer achromats.

Abstract: A manipulator including joint mechanisms each including: first and second members extending along a central axis; the second member disposed at a distal end of the first member and being swivelable relative to the first member about a swivel axis; a guide sheath extending near the central axis, a distal end of the guide sheath being fixed to the second member; a manipulation wire introduced toward the distal end of the guide sheath; and a pulley provided in the second member such that the manipulation wire is wound at least partially around the pulley to cause a distal end of the wire to change direction towards the first member, the pulley being rotatable about an axis parallel to the swivel axis; wherein the distal end of the manipulation wire is fixed to the first member near the inner surface of the through hole.

Abstract: A laryngopharyngoscope retractor system including: a plurality of components including: a base frame with a coupling region and a spatula holder that is adjustable in terms of position and orientation by way of adjusting screws; a spatula that is releasably fastenable in the spatula holder; two cheek holder adapters that are releasably fastenable to the base frame; and two cheek holders, each of which is releasably fastenable to a respective cheek holder adapter, wherein one or more of the base frame, the spatula holder, the spatula, the cheek holder adapter and the cheek holder, in the respective regions provided for the releasable connection to another one of the plurality of components have a visible unique code that corresponds to the corresponding regions on the other of the plurality of components.

Abstract: An endoscope apparatus includes a color image pickup device, a light source device configured to simultaneously illuminate the subject with light in a first wavelength band having a spectral characteristic of a narrow band having a peak in a range from a wavelength of 585 nm to a wavelength of 615 nm and light in a second wavelength band having a spectral characteristic for making, among a red signal, a green signal, and a blue signal, a pixel value of the red signal smallest, and a processor configured to assign either one of the red signal generated by return light from the subject illuminated with the light in the first wavelength band and the green signal or the blue signal generated by return light from the subject illuminated with the light in the second wavelength band to each of output channels corresponding to the respective colors in a display device.

Abstract: An ultrasonic observation device is disclosed that has an input device having a touch pad connected, and that displays on a display an ultrasound image generated based on an ultrasonic signal received from an ultrasound transducer that transmits an ultrasonic wave to an object to be observed and receives a reflected ultrasonic wave reflected by the object, the touch pad detecting a contact object that is brought in contact by an operator. The ultrasonic observation device includes a display controller that displays a rotation indicator that indicates a rotation direction when the ultrasound image is rotated about a predetermined rotation reference as a center, such that the rotation indicator is superimposed on the ultrasound image displayed on the display, according to a contact position of the contact object on the touch pad.

Abstract: A connection device includes a tube that is branched to two passages from a branch portion and includes a first and second branch tubes provided on one end side as a liquid-feeding destination, a first protruding plate that includes, on another end side, first another end edge provided in a direction orthogonal to an axis line of the first branch tube and that is provided so as to protrude from an outer circumference portion of the tube, and a second protruding plate that is provided so as to face the first protruding plate across the tube and protrude in a diameter direction of the tube and that includes, on the other end side, second another end edge provided so as to be orthogonal to an axis line of the second branch tube.

Abstract: An endoscope device includes: a light source capable of switching an optical spectrum of illumination light; an imaging device configured to acquire an image by receiving reflection light of the illumination light; an image processor configured to determine whether or not visibility deterioration has occurred within a visual field of the image acquisition section due to a fragment of a calculus crushed by being irradiated with a laser beam from a laser pulse generator; and a controller configured to control the light source based on a determination result obtained by the image processor. The controller causes the light source to emit white light as the illumination light in response to the image processor determining that the visibility deterioration has not occurred, and switches the illumination light emitted from the light source to light in a blue region in response to the image processor determining that the visibility deterioration has occurred.

Abstract: An ultrasound probe includes: an ultrasound transducer array in which a plurality of ultrasound transducers configured to transmit and receive ultrasound are arrayed; a backing layer provided on a proximal end surface of the ultrasound transducer array; and a piezoelectric element, provided on a proximal end surface of the backing layer, whose direction of polarization is opposite to a direction of polarization of the plurality of ultrasound transducers.

Abstract: An endoscope treatment tool that is insertable into a channel of an endoscope includes: an insertion unit having flexibility; and a treatment unit disposed on a distal end of the insertion unit and supported so as to be rotatable about a longitudinal axis of the insertion unit. The insertion unit includes a tubular exterior member configured to come into contact with the treatment unit on a distal end side of the insertion unit, the tubular exterior member configured to be moved in a direction of the longitudinal axis of the insertion unit, an operation member penetrating through an interior of the exterior member, the operation member configured to transmit rotation about the longitudinal axis to the treatment unit, and a wire penetrating through an interior of the insertion uni, the wire having a distal end fixed to the exterior member.

Abstract: A cover stent includes: a mesh tube knitted into a tube by a wire including a first bending portion protruding toward a first end portion in a longitudinal direction of the tube and a second bending portion protruding toward a second end portion opposite to the first end portion in the longitudinal direction, the first and second bending portions intersecting each other by being twisted once; a cover covering outside or inside of the mesh tube; and a restricting member connected to the cover with a space, the wire in at least one of the first and second bending portions being movably inserted into the space along a surface of the cover. The mesh tube is connected to the cover by the restricting member so that the first and second bending portions can move relative to each other along the surface in the longitudinal direction.

Abstract: A catheter includes a first region having a first outer diameter; a second region having a second outer diameter larger than the first outer diameter; and a transition region connecting with the first region and the second region, the transition region having an outer diameter being equal to or larger than the first outer diameter and equal to or smaller than the second outer diameter, wherein the outer diameter of the transition region gradually decreases from the second region toward the first region, and part of an outer circumferential surface of the transition region is formed in a shape having a step portion.

Abstract: A vibration transmission member includes a main body, a treatment portion that is provided at the distal end of the main body, a first covering formed of a material that has an electrical insulating property and has a thermal conductivity lower than a thermal conductivity of the main body, which covers a part of a surface of the treatment portion, and a second covering formed of a material that has an electrical insulating property and has a thermal conductivity lower than the thermal conductivity of the main body. The second covering is integrally formed with at least a part of the first covering and varies in thickness in a circumferential direction of the main body. The second covering includes a first area and a second area in the circumferential direction, such that a thickness dimension of the first area is smaller than a thickness dimension of the second area.

Abstract: Provided is a method of manufacturing a vibration transmission member for an ultrasonic treatment tool. The method includes: applying a release agent between a surface of a vibration transmission member configured to transmit ultrasonic vibration and a die for hot forging; performing hot forging to form the vibration transmission member after the applying of the release agent; removing, after the performing of the hot forging, a part of an oxide film formed in the performing of the hot forging by a first surface treatment; performing pickling to remove the oxide film after the removing of the part of the oxide film by a blasting treatment; and performing coating with a resin after the performing of the pickling.

Abstract: A treatment tool includes a first grasper and a second grasper. The first grasper includes a treatment portion that includes a treatment surface and an opposing surface, and a holder portion that is mounted on the opposing surface. The holder portion is formed of an elastically deformable material, and includes a first region having a first contact surface, a second region having a second contact surface, and a connection region that is arranged between the first contact surface and the second contact surface and that includes a concave portion. The holder portion is mounted on the opposing surface in an elastically deformed state such that the first contact surface and the second contact surface are in contact with the opposing surface and such that a depth of the concave portion is smaller than a depth of the concave portion is a non-elastically deformed state.

Abstract: Provided is a cooling device of an endoscope device. The cooling device includes: a box; a first communicating hole that is a hole provided in the box; a second communicating hole that is a hole provided in the box; a second fan that is provided at the second communicating hole, the second fan being configured to guide gas to an exterior of the box through the second communicating hole to generate an airflow in the box, the gas having introduced into the box from the first communicating hole; and a duct configured to house a heat generator to be cooled, the duct being positioned in the box to allow the airflow to pass through an inside of the duct.

Abstract: An image processing apparatus includes a processor including hardware, the processor being configured to: determine whether or not an overlapping portion is present in imaging areas included in a plurality of images captured by a plurality of imagers, respectively, the plurality of imagers being are inserted into a subject to capture images of an observation target at different positions from each other; determine whether or not each of the plurality of imagers is inserted to a focal point position at which the observation target is in focus; and generate a composite image that is composed of the plurality of images when it is determined that each of the plurality of imagers is inserted to the focal point position and that the overlapping portion is present in the imaging areas.

Abstract: An endoscope apparatus includes a processor configured to carry out a reversal process on a side image of a subject picked up with an image pickup device, the reversal process reversing an order of a plurality of pixels located in the side image and arranged from a predetermined position in a radial direction, and cause a display apparatus to display a front image and the side image of the subject picked up with the image pickup device as a display image. The processor adjusts the timing at which the front image is displayed in such a way that the front image acquired simultaneously with the side image is displayed at a timing that accords with the timing at which the side image having undergone the reversal process is displayed on the display apparatus.

Abstract: A cleaning tool for insertion device includes a first fluid supply conduit, a second fluid supply conduit, a first cap component, and a second cap component, wherein a first discharge port and a third discharge port are disposed at positions where a discharging direction of fluid discharged from the first discharge port and a discharging direction of fluid discharged from the third discharge port are parallel or coaxial to each other in a vertical direction of a distal end portion of an insertion device, and a second discharge port and a fourth discharge port are disposed at positions where a discharging direction of fluid discharged from the second discharge port and a discharging direction of fluid discharged from the fourth discharge port are parallel or coaxial to each other in a lateral direction of the distal end portion of the insertion device.

Abstract: An optical unit includes a movable section that holds a movable lens group and includes a rotation restricting section, a fixed section that holds a fixed lens group and has specific permeability larger than 1.0, n thinned-down sections being provided in the fixed section, and a voice coil motor including an n magnet sections disposed at every (360/n)° around a center axis of the movable section and a coil section disposed in the fixed section. The n magnet sections are respectively housed in n thinned-down sections in a noncontact manner. The n thinned-down sections are formed in asymmetrical positions different from every (360/n)° around the center axis.

Abstract: An endoscope system includes a processor that performs image processing on endoscope image data acquired by an endoscope, which is inserted in a subject and observes an inside of the subject. The processor communicate with a terminal device including a transceiver configured to transmit identification information identifying the terminal device, and a controller configured to: determine whether the processor is a connection destination configured to perform two-way communication, based on the received processor identification information, authenticate whether a user of the terminal device is a predetermined registered user by analyzing data obtained by the terminal device from the user, and allow two-way communication between the processor and the terminal device in response to the processor being determined as the connection designation to perform two-way communication and in response to authenticating the user of the terminal device.

Abstract: A vibration transmitting member transmits ultrasonic vibration generated by an ultrasonic transducer from a proximal side toward a distal side. The vibration transmitting member includes a connection connected to the ultrasonic transducer. When a reference vibration node, which is located most proximally among vibration nodes occurring on the distal side relative to the connection, is defined, while the vibration transmitting member vibrates at a resonance frequency in a predetermined frequency range, a cross-sectional area decreasing part is provided between the connection and the reference vibration node. In the cross-sectional area decreasing part, a cross-sectional area perpendicular to a longitudinal direction gradually decreases from the distal side toward the proximal side.

Abstract: The disclosed technology is directed to a treatment tool having a blade. The blade includes a treatment surface configured to engage with a treatment target. A heater is configured to be coupled to the blade. The heater includes respective first and second heat generating surfaces each of which extending in a direction transverse to the treatment surface. Respective first and second thermally conductive members each of which is interposed between the respective first and second heat generating surfaces and the blade so as to thermally engage the respective first and second heat generating surfaces and the blade to one another. The respective first and second thermally conductive members includes respective first and second thermal conductivity anisotropies each of which being higher in longitudinal directions of the blade and each of which being lower in widthwise directions of the blade that are transverse to the longitudinal directions.

Abstract: An endoscope system includes a light source configured to generate violet light, blue light, green light, and red light, a filter switching mechanism configured to change a spectrum of the green light emitted from the light source, a light amount adjustment circuit configured to respectively adjust light amounts of lights in three colors, that is, the violet light, the blue light, and the red light, an image sensor configured to pick up an image of an object illuminated with the green light including the spectrum changed by the filter switching mechanism and the lights in the three colors respectively including the light amounts adjusted by the light amount adjustment circuit, and a highlighting processing circuit configured to subject an image obtained by image pickup of the object illuminated with the green light including the spectrum changed by the filter switching mechanism to highlighting processing.

Abstract: An insertion assist system includes a guide member and a shift member. The guide member brings an outside bend of a peripheral surface of an insertion body into contact with a guide surface of the guide member. The shift member shifts a direction of the distal end of the insertion body. The shift member comes into contact with an inside bend of the peripheral surface of the insertion body when the insertion body is bent. The shift member bends the insertion body toward the guide surface about the guide surface as a fulcrum when the shift member comes into contact with the inside bend and bends the insertion body.

Abstract: A connector apparatus of the present invention includes a receptacle into which a plug is inserted, a moving member configured to move in conjunction with insertion of the plug, and a sensor provided below the receptacle and configured to detect presence or absence of the plug in the receptacle, in which the moving member includes a first portion extending downward, a second portion, one end of which is connected to the first portion and another end of which is located above the one end, and a third portion, one end of which is connected to the second portion and configured to move in conjunction with the insertion of the plug to thereby switch between a first state in which the plug is disposed in a predetermined region and a second state in which the plug is not disposed in the predetermined region.

Abstract: A medical image data creation apparatus for training acquires a first medical image, acquires a second medical image that is different from the first medical image and is obtained by photographing a substantially same spot as in the first medical image, creates lesion region information concerning a lesion part in the second medical image, and creates medical image data for training in which the first medical image and the lesion region information are associated with each other.

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: An information processing apparatus include a processor configured to: control a display to display at least a partial image of a captured image generated by capturing an image of an observation target; generate field of view information by associating: display position information indicating a position of a display area corresponding to the displayed partial image; magnification information indicating a display magnification of the partial image; and time information indicating a display time of the partial image; record the field of view information in a memory; and extract a piece of the field of view information including the magnification information indicating at least a single kind of specific display magnification input to an input device from among pieces of the field of view information recorded in the memory; generate a field of view map image corresponding to the extracted piece of field of view information; and control the display to display the field of view map image.

Abstract: An inverted microscope apparatus includes an immersion objective, an electric stage that moves at least in a direction orthogonal to an optical axis of the immersion objective, and a removal mechanism that removes an immersion liquid adhering to a bottom surface of a container placed on the electric stage. The removal mechanism is configured to scan the bottom surface using movement of the electric stage.

Abstract: An endoscope processor comprises a processor. The processor causes a light source to generate, as illumination light, light in a first wavelength band in which hemoglobin absorption is smaller than that in a green band and light in a second wavelength band which is different from the first wavelength band. The processor causes an endoscope to image a return light so as to output an image signal. The processor acquires a first image obtained by the light in the first wavelength band from the image signal and detects unevenness information on mucosa from the first image. The processor acquires a second image obtained by the light in the second wavelength band from the image signal and synthesizes the unevenness information with the second image so as to generate a display image in which an uneven region in the second image is emphasized.