Abstract: The treatment tool including: a tube including a lumen extending in a longitudinal axis of the tube; a wire inserted into the lumen and extending along the longitudinal axis of the tube; a first handle connected to a proximal end portion of the wire; a second handle attached to a proximal end portion of the tube. In a first configuration, the first handle is rotatable relative to the second handle about a rotation axis. In a second configuration, the first handle is non-rotatable relative to the second handle when an applied force applied to the first handle in a rotation direction is equal to or less than a predetermined amount. The first handle is rotatable relative to the second handle when the applied force is greater than the predetermined amount.

Abstract: An endoscope system includes an endoscope and a suction unit. The endoscope includes an insertion portion configured to be inserted into a subject, an operation portion provided on a proximal end side of the insertion portion, and an angle knob provided on the operation portion for operating the bending portion; and an opening provided in the operation portion, wherein the opening is connected to a lumen provided in the endoscope. The suction unit includes a suction conduit, a protrusion inserted into the opening, and a suction button. In a side view perpendicular to an axis of rotation of the angle knob, a center of a top surface of the suction button, a center of the opening, and the angle knob are arranged along an imaginary straight line with the center of the opening located between the center of the top surface of the suction button and the angle knob.

Abstract: An image pickup apparatus includes a lens, an image pickup device, and a processor. The processor acquires a plurality of pieces of first image data and second image data with an exposure time period longer than an exposure time period of the first image data from the image pickup device, detects a motion region by using the first image data and the second image data, and acquires motion detection information by using the plurality of pieces of first image data. The processor changes a synthesis method in accordance with whether the motion region is detected and generates one piece of synthesized image data.

Abstract: In a phase adjustment circuit, a binary circuit is configured to output a binary signal on the basis of an edge of a video signal. A phase-delayed clock signal generation circuit is configured to generate a phase-delayed clock signal having a later phase than a phase of a clock signal by a first delay amount. A delay time control circuit is configured to cause a phase of the binary signal and the phase of the phase-delayed clock signal to match each other by adjusting the first delay amount. A sampling signal generation circuit is configured to generate a sampling signal having a later phase than the phase of the clock signal by a second delay amount. The second delay amount is in accordance with both a phase shift amount, which is based on the clock signal, and the first delay amount.

Abstract: An endoscope is provided with: a wire; a distal end nodal ring, in which the wire is arranged immediately below a first through hole including openings at predetermined positions on the inner circumferential face and an outer circumferential face of the distal end nodal ring; a distal end member including a small diameter portion arranged to be fitted in a distal end side inner circumferential face of the distal end nodal ring and a large diameter portion provided on a distal end side of the small diameter portion, the large diameter portion having a diameter larger than a diameter of the small diameter portion; an accommodating portion formed on an outer circumferential face side of the small diameter portion, the first end portion of the wire being accommodated in the accommodating portion; and a relief portion formed by the accommodating portion extending to the large diameter portion.

Abstract: An endoscope treatment tool includes: a cylindrical cap attached to an outer side of a distal-end section of an endoscope and having first and second radial directions intersecting each other; a treatment tool supported at an outer side of the cap in the first radial direction to be movable in the longitudinal direction; and a linear flexible coupling member coupling the treatment tool with the cap such that the grasper reaches a position where the grasper protrudes from a distal end of the cap. A swing section of the coupling member couples the cap with the treatment tool to allow relative movement in the second radial direction, and, in response to pressed forward in the longitudinal direction by the treatment tool, swings about a swing axis extending in the second radial direction while generating a tensile force and bending the treatment tool inward in the first radial direction.

Abstract: An endoscope includes a plurality of illuminating optical systems, an objective optical system, and an optical-path splitting member. The optical-path splitting member has an optical element which forms a first optical path and a second optical path, and an optical-path length of the first optical path differs from an optical-path length of the second optical path. Illumination light is irradiated to an object from the plurality of illuminating optical systems. The objective optical system has an object-side incidence surface which is located nearest to the object, and each of the plurality of illuminating optical systems has an object-side emergence surface which is located nearest to the object. Each of the object-side emergence surfaces is located on an image side of the object-side incidence surface, and following conditional expression (1) is satisfied: 2.0<Dmin/OPLdiff<50??(1).

Abstract: A fluid feeding and suction apparatus includes a common conduit including an endoscopic connection end and a second end, a fluid feeding conduit in fluid communication with the common conduit via the branching connector, a fluid suction conduit in fluid communication with the common conduit via the branching connector, a fluid feeding container connected to the fluid feeding conduit, a fluid suction container connected to the fluid suction conduit, a gas feeding conduit connected to the fluid feeding container, a gas suction conduit connected to the fluid suction container, and a pump connected to the gas feeding conduit and the gas suction conduit. The second end connected to a branching connector. The pump is configured to feed a supply gas to the gas feeding conduit and to suction a suction gas from the gas suction conduit.

Abstract: The information processing system includes: a memory storing a first trained model and a second trained model; and a processor. The first trained model is trained to perform a detection process on a first training image at a normal magnification. The second trained model is trained to perform a diagnosis process on a second training image at a greater magnification. To the processor, magnification change information acquired by an operation device of an endoscope system that changes magnification of a target image is input. When the magnification change information indicates the normal magnification, the processor performs the detection process of detecting a lesion from the target image through processing based on the first trained model, and when the magnification change information indicates the greater magnification, the processor performs the diagnosis process of diagnosing a type of the lesion from the target image through processing based on the second trained model.

Abstract: An ultrasonic treatment tool comprises: a blade including a treatment portion at a distal side of the blade, the blade configured to transmit an ultrasonic vibration from a proximal side of the blade to the treatment portion and the treatment portion configured to treat a body tissue, a grasper movable relative to the treatment portion between an open position and a closed position to grasp the body tissue between the grasper and the treatment portion, a coating provided on the grasper, the coating is formed by a first resin, when the grasper is in the closed position, the coating contacts the treatment portion.

Abstract: An endoscope includes an insertion portion configured to be inserted into a subject; a channel tube forming a first portion of a channel in the insertion portion, and a coil wound around at least a portion of the channel tube. The channel tube includes a first magnetic material, and the coil generates a magnetic field in response to a supplied electric current to magnetize the first magnetic material.

Abstract: A sterile medical device package includes a packaging member having an interior space, and a disinfectant solution package located in a first section of the interior space. A second section of the interior space is configured to contain a sterile medical device. The disinfectant solution package is configured to contain a disinfectant solution. The packaging member is configured to form a first opening and the disinfectant solution package is configured to form a second opening. A part of the disinfectant solution package is fixed to the packaging member such that the second opening is formed in conjunction with forming the first opening.

Abstract: A medical device includes: a medicinal agent storage device connected to the catheter, a flow control device, and a package. The medicinal agent storage device includes a storage part and a second channel, the storage part is configured to store a medicinal agent, and wherein the second channel provides fluid communication between the storage part and the first channel. The package encloses the catheter, the medicinal agent storage device, and the flow control device in a sterilized state. In a first state, the flow control device is configured to prevent the medicinal agent from flowing from the storage part into the first channel. The flow control device is included in the catheter or included in the medicinal agent storage device.

Abstract: A flexible-manipulator guide member is provided in an inserted portion of a flexible manipulator including the elongated flexible inserted portion, the movable portion disposed at the distal end of the inserted portion, a drive portion disposed at the base end of the inserted portion, and the elongated driving-force transmitting member that transmits motive power of the drive portion to the movable portion, and is provided with a lumen through which the driving-force transmitting member passes in the longitudinal direction, wherein the lumen has a twisted shape about the longitudinal axis of the inserted portion.

Abstract: An endoscope system includes a controller configured to receive a detection result relating to insertion of an insertion section of an endoscope into a subject, and record information indicating use of the endoscope based on the detection result in the memory.

Abstract: An imaging system includes: an optical system configured to form a subject image; a driver configured to drive the optical system; an imaging element configured to capture the subject image and generate image data; and a processor configured to control the imaging element and the driver. The imaging element includes: a first imaging portion configured to capture an image of a first light beam that travels through a first optical path in the optical system; a second imaging portion configured to capture an image of a second light beam that travels through a second optical path shorter than the first optical path; and plural phase difference pixels for phase difference autofocus, the plural phase difference pixels being arranged in at least one of the first imaging portion and the second imaging portion, the plural phase difference pixels being configured to output phase difference signals.

Abstract: An ultrasonic treatment tool comprises: a blade including a treatment portion, the treatment portion is configured to treat a treatment target and the blade is configured to transmit an ultrasonic vibration to the treatment portion, a pattern on at least part of an outer surface of the treatment portion, the pattern including a plurality of protrusions, each protrusion includes at least one side surface intersecting with a vibration direction of the ultrasonic vibration, the at least one side surface defining a cavitation surface, at least one cavitation surface is located within a pitch width in the vibration direction, an amplitude of the ultrasonic vibration defines the pitch width.

Abstract: A computer aided assistance system for use in endoscopic colonoscopy procedures. The computer aided assistance system including: at least one videoendoscopic instrument configured to capture image data; a controller comprising hardware, the controller being connected with the at least one videoendoscopic instrument; and a display connected or integral with the controller, wherein the controller being configured to automatically select a treatment guideline based on a combination of both a size and a classification of a lesion shown in the image data and to display the selected treatment guideline on the display.

Abstract: A method of handling medical equipment status information. The method includes: receiving status information data from two or more pieces of medical equipment, wherein the status information data is received in a data format specific for each of the pieces of medical equipment; determining that the status information data indicate an error state of the pieces of medical equipment; assigning to each error state one or more global error categories of a predetermined list of global error categories, the global error categories not being specific to a certain piece of medical equipment among the pieces of medical equipment; and outputting error information data. The error information date including: identification data identifying a specific piece of medical equipment among the pieces of medical equipment, status information data received from the specific piece of medical equipment, and the one or more global error categories assigned to the detected error status.

Abstract: An endoscope system includes a light source apparatus to generate an illumination light including a first light in a red to near infrared region, a second light in a green region, and a third light in a blue region, an image pickup device to pick up an image of an object and output an image pickup signal, and a processor to generate a first to third color components corresponding to the first to third lights based on an image generated according to the image pickup signal. The processor generates two of three color components that are blue, green, and red included in an observation image by using a second color component, and generates one remaining color component by using a first color component, and generates respective color components of red, green, and blue included in a white light observation image by using the first to third color components.

Abstract: Provided is an ultrasound imaging system configured to generate data of an ultrasound image based on an echo signal received by each of a plurality of elements included in an ultrasound transducer that transmits and receives ultrasound. The ultrasound imaging system includes: a determining circuit configured to determine, using a signal corresponding to the echo signal received by each of the plurality of elements, whether each of the plurality of elements has a sensitivity decrease; a region specifying circuit configured to specify a region where sensitivity decreases in the ultrasound image, based on a contribution degree indicating a ratio of transmission intensity contributing to an ultrasound beam by an element that has been determined as having the sensitivity decrease by the determining circuit; and a sensitivity display circuit configured to generate data for displaying the region specified by the region specifying circuit.

Abstract: An endoscope of the disclosure includes an insertion section including a conduit having an inner surface. The inner surface comprises a first projecting portion provided at a first position, and a second projecting portion provided at a second position. In a longitudinal direction of the insertion section, the first position is different from the second position.

Abstract: A medical device includes: a first sterilized insertion device including an insertion portion configured to be inserted into a subject, and a cover surrounding a distal end portion of the insertion portion. The cover is configured to be teared by receiving external force so as to make an opening in the cover for exposing the distal end portion.

Abstract: An insertion device includes an insertion portion having an outer peripheral surface and configured to be inserted into a subject, and a suction pipeline provided on the outer peripheral surface of the insertion portion. The suction pipeline is switchable from a first state to a second state and the suction pipeline is configured to maintain the second state. In the first state, a distal end of the suction pipeline is folded, and in the second state, the distal end of the suction pipeline is unfolded.

Abstract: An endoscope includes: a connection member that has an attaching and detaching direction defined to be orthogonal to a central axis of a distal end rigid portion in a longitudinal direction and is engaged with a wire connection portion of a movable member: and a rigid guide including a wire insertion path that guides a pulling wire, a distal end opening of the wire insertion path being disposed on a proximal end side of the movable member. The distal end opening of the wire insertion path of the rigid guide is disposed at a position closer to the central axis of the distal end rigid portion in an attaching direction of the connection member than a position in a plane formed by a rotation trajectory of the connection member.

Abstract: A treatment method includes: inserting a first closure and a second closure into a tubular organ, wherein the tubular organ includes at least one affected site; contacting an inner wall of the tubular organ with the first closure and the second closure to close the tubular organ with the at least one affected site located between the first closure and the second closure; with the tubular organ closed by the first closure and the second closure, aspirating a gas located in the tubular organ between the first closure and the second closure; and with the tubular organ closed by the first closure and the second closure, delivering a liquid medicine into the tubular organ between the first closure and the second closure.

Abstract: An insertion instrument includes: a holding member at a distal end of an insertion portion; a first hole formed in the holding member; a second hole that is formed in the holding member and that communicates with the first hole; a long member that is mounted to the holding member and that includes a distal end part and a main body portion; a partitioning member configured to narrow a space in which the main body portion is arranged; and a filler filling a gap around the long member.

Abstract: An endoscopic treatment device includes a hollow tube; an electrode; and an insulative support member. In a radial direction relative to a longitudinal axis of the hollow tube, the insulative support member is radially outward of the electrode and the hollow tube is radially outward of the insulative support member.

Abstract: A light irradiation probe comprising: a catheter having an elongated shape, the catheter being configured to emit light from an emission region arranged on a side surface on a distal end side of the catheter; and wherein the catheter includes an outer sheath having a tubular shape, the outer sheath comprising an outer surface of the catheter; an optical fiber extending in a longitudinal axis direction of the catheter, the optical fiber including a core forming an optical waveguide; and a filling material disposed at a longitudinal position corresponding to the emission region of the outer sheath such that the light emitted from the emission region passes through the filling material, the filling material having a refractive index higher than a refractive index of the core.

Abstract: An endoscope includes: a distal-end constituting portion provided at a distal end of an insertion portion of the endoscope: an observation window having a field of view direction that intersects a longitudinal axis of the insertion portion: a first flat surface on which the observation window is arranged, the first flat surface constituting a part of a surface of the distal-end constituting portion and having a first intersection angle with respect to the longitudinal axis: a second flat surface constituting a part of the surface of the distal-end constituting portion, the second flat surface being provided on a distal end side or a proximal end side with respect to the first flat surface, and having a second intersection angle with respect to the longitudinal axis, the second intersection angle being smaller than the first intersection angle; and a supply unit arranged on the second flat surface.

Abstract: An assistant device includes a processor configured to: generate a first image including one or more characteristic regions requiring excision by a surgical operator; generate a second image including one or more cauterized regions cauterized by an energy device; generate information regarding presence or absence of a first region that is included in the characteristic regions and that is not included in the cauterized region based on the first image and the second image; and output information indicating the presence of the characteristic regions that requires to be cauterized when the first region is present.

Abstract: An energy radiation treatment method comprises: administering a medicinal agent to an affected part; performing energy radiation with a predetermined energy on the affected part; and confirming therapeutic effects by the energy radiation on the affected part, wherein in the administering, a determination based on at least one ultrasound image based on ultrasound waves reflected from the affected part is performed.

Abstract: An imaging unit includes: a first lens group configured to form a first optical image; a second lens group configured to form a second optical image; an objective lens group having a first region and a second region; a single image sensor configured to generate an image signal; a first holding frame having a first holding hole and a second holding hole; a second holding frame configured to hold the objective lens group; and a third holding frame configured to hold the image sensor. A depth of field of a first optical system formed of the objective lens group and the first lens group is set so as to entirely include a depth of field of a second optical system formed of the objective lens group and the second lens group and to be deeper than the depth of field of the second optical system.

Abstract: A medical system and an operating method of a medical system are disclosed. The medical system can operate an endoscope to perform an operation task with respect to a site of interest of an organ of concern in response to input from an operator. The medical system includes a controller that can record a model of the organ of concern generated during preoperative planning, and record the names of a plurality of sites in the organ of concern, and corresponding regions or points in the model with respect to a first coordinate system. The controller receives the name of the site of interest, and the operation task; associates the first coordinate system of the model with a second coordinate system of a display space displayed by a display image; and operates the endoscope with respect to the site of interest on the basis of the operation task.

Abstract: An endoscope apparatus includes an illumination device generating illumination light including a first light, a second light, and a third light, an imaging device capturing an image based on return light from biological tissue, and a processor configured to perform image processing based on first, second, and third images respectively corresponding to the first light, the second light, and the third light. The first light has a peak wavelength within a predetermined wavelength range including a wavelength achieving a largest value of a hemoglobin absorption coefficient. The second light has a peak wavelength between a wavelength achieving a smallest value of the hemoglobin absorption coefficient and a wavelength achieving a first maximum value of the hemoglobin absorption coefficient on a shorter wavelength side of the wavelength achieving the smallest value. The third light has a peak wavelength between the peak wavelengths of the first light and the second light.

Abstract: An image processing system includes a memory storing a training image set and a reference image set, and a processor including hardware. The processor is configured to: generate an augmented image set by applying data augmentation to images included in the training image set; and determine an augmentation parameter based on a similarity between an augmentation feature statistic and a reference feature statistic, the augmentation feature statistic being a statistic of a feature of a recognition target calculated based on the augmented image set, the reference feature statistic being a statistic of a feature of the recognition target calculated based on the reference image set.

Abstract: A method for calibrating an endoscope, the endoscope including a curved portion that can be driven to bend and a flexible portion through which a bending wire that bends the curved portion is inserted, includes: arranging the curved portion and the flexible portion of the endoscope so that they have a predetermined shape; bending the curved portion; measuring first shape information, which is information about a shape of the curved portion; and updating a control parameter for the endoscope to drive the curved portion based on the measured first shape information.

Abstract: An endoscope treatment tool, comprising: a sheath; a handle body; a wire; a treatment portion connected to a distal end of the wire and arranged on a distal end side of the sheath; a rotating handle movable with respect to the handle body and connected to the wire; a conductive connector having an insertion passage through which the wire is inserted, wherein the wire is movable in a wire movement direction to advance and retreat in a direction that is parallel to a longitudinal axis of the handle body, wherein the wire is rotatable around an axis of the wire movement direction, and wherein the conductive connector extends in a direction that intersects the wire movement direction.

Abstract: An endoscope includes an insert part. The endoscope has an imaging unit provided in the insert part, a light guide having a light guide exit surface from which illumination light is emitted provided in the insert part and an end cover provided at the distal end of the insert part. The end cover has a cut-through portion in which the imaging unit is inserted and fixed. The end cover has a first surface on its object side, a second surface on its operator side, and a side surface on its outer circumference. The first surface includes a first flat surface and a curved surface. The curved surface is located between the first flat surface and the side surface. The second surface has an illumination area on which the illumination light is incident. At least a portion of the illumination area is formed as a partial torus surface. First specific cross sections are defined as cross sections containing the center axis of the end cover and intersecting the light guide exit surface.

Abstract: Provided is an endoscope system including an endoscope that images living tissue to be treated by at least one instrument; and a control device that includes a processor configured to derive at least one of the following information: grasp assistance information on a grasping operation to grasp the living tissue by the at least one instrument, and traction assistance information on a traction operation for traction of the living tissue by the at least one instrument, based on an endoscopic image acquired by the endoscope.

Abstract: In a treatment system, an energy treatment instrument includes a pair of grasping pieces. An energy output source outputs electric energy to the energy treatment instrument, thereby applying treatment energy to a blood vessel grasped between the grasping pieces. A measurement section measures a blood pressure at a site related to the grasped blood vessel. A processor controls output of the electric energy from the energy output source based on a measurement result obtained by the measurement section, and thereby switches an actuation state of the energy treatment instrument between a first mode for coagulating the blood vessel and a second mode for coagulating the blood vessel target that is different from the first mode.

Abstract: An optical fiber bundle manufacturing apparatus includes: a winding member; a guide member movable in a direction parallel to a rotary axis, the guide member being configured to guide an optical fiber wire to any one of first winding positions, a converging winding position and second winding positions; and a processor configured to perform processing to move the guide member such that a first branching portion branching into p branches, a converging portion converging the first branching portion branching into p branches into one, a second branching portion branching into q branches, and a connecting portion connecting the first branching portion and the second branching portion are formed in this order by the optical fiber wire.

Abstract: An endoscope includes: a barrel having an opening of a through hole on an outer surface; a lens inserted into the through hole and having a distal end surface which protrudes from the outer surface; a first resin disposed between a wall surface of the through hole and a side surface of the lens; and a second resin disposed on a surface of the first resin, a portion of the barrel disposed around the opening, and an entire circumference of an outer peripheral portion of the distal end surface of the lens, the second resin forming a protruding portion which protrudes from the distal end surface of the optical member, containing light blocking particles, and having a larger fracture toughness value than the first resin.

Abstract: A stacked lens includes: a first optical device; a second optical device disposed on an optical axis of the first optical device; and an adhesive layer bonding the first optical device and the second optical device and including a projection projecting outside a side surface of the first optical device and a side surface of the second optical device.

Abstract: An energy treatment tool includes: a blade configured to transmit ultrasound vibration, an arm movable relative to the blade between an open position and a closed position, the arm including a surface on a blade-side of the arm, a pad provided on the surface, the pad including a first side and a second side opposite to the first side in a width direction of the arm, a first pin connected to the arm and extending along the width direction, a first electrode facing the first side of the pad and rotatable relative to the pad around the first pin, a second electrode facing the second side of the pad.

Abstract: An endoscope system includes: an endoscope including an insertion portion configured to be inserted into a subject; a distance measurement unit configured to measure a distance between the insertion portion and an object by transmitting and receiving millimeter waves or submillimeter waves; and a flexible waveguide that has one end that is connected to the distance measurement unit and another end that is exposed to outside from a distal end of the insertion portion, the flexible waveguide being configured to propagates the millimeter waves or submillimeter waves transmitted and received by the distance measurement unit.

Abstract: A joint ring of an endoscope comprises a joint ring body including a joint ring wall having an inner surface, an outer surface, a first end surface, and a second end surface, and a first wire guide attached to the inner surface of the joint ring wall. The first wire guide includes a first wire guide body including a first wire guide wall having a third end surface and a fourth end surface. In a central axis direction of the joint ring body, at least a first portion of the first end surface and at least a first portion of the third end surface are at a first axial position and at least a first portion of the second end surface and at least a first portion of the fourth end surface are at a second axial position.

Abstract: A living tissue sampling method includes inserting an endoscope inserted into a guide sheath into a body cavity of a subject, checking three-dimensional image information of a body cavity path against distal end position data of the endoscope, bringing distal ends of the endoscope and the guide sheath close to a focused region, removing the endoscope from the guide sheath while keeping the guide sheath stationed inside the body cavity, inserting a biopsy instrument into the guide sheath, and sampling living tissue of the focused region by the biopsy instrument.

Abstract: A treatment instrument includes a rotating body and a housing. The rotating body includes a connecting portion including: a supported portion having a cylindrical outer peripheral surface, and an engaged portion that is adjacent to the supported surface. The housing includes a supporting portion that is configured to support the supported portion of the rotating body, the supporting portion being rotatable around a predetermined rotation axis; and an engaging portion that is configured to generate a frictional force larger than a frictional force between the supporting portion and the supported portion by coming into contact with the engaged portion.