Abstract: An image processing apparatus includes a processor including hardware. The processor is configured to: set a first acquisition condition and a second acquisition condition for a video processor configured to acquire a first image that is based on a display-purpose acquisition condition for acquiring an image for display at a frame rate for viewing and a second image that is based on an analysis-purpose acquisition condition for acquiring an image for image analysis at a frame rate that is lower than the frame rate for viewing, in a mixed manner, the first acquisition condition including the display-purpose acquisition condition, the second acquisition condition including the display-purpose acquisition condition and the analysis-purpose acquisition condition; generate support information based on an image analysis result; and control switching between the first acquisition condition and the second acquisition condition according to the image analysis result.

Abstract: A controller controls a movement of an endoscope to cause the endoscope to follow a surgical instrument. The controller includes a processor. The processor acquires position information including the position of the surgical instrument, acquires scene information associated with a procedure scene to be observed through the endoscope, determines an offset parameter, which determines the position of the target point with respect to a predetermined fiducial point in the field of view of the endoscope, of a target point on the basis of the scene information, sets the position of the target point with respect to the fiducial point on the basis of the offset parameter, and causes the endoscope to follow the surgical instrument such that the surgical instrument is disposed at the target point, by controlling a movement of the endoscope on the basis of the position of the target point and the position of the surgical instrument.

Abstract: Provided is a temperature measurement method for measuring an ambient temperature of a long-length medical device, using first and second optical fibers attached to the medical device, the first and second optical fibers extending in parallel with each other along a longitudinal direction of the medical device, and the first optical fiber having a distal end serving as a measurement unit extending beyond a distal end of the second optical fiber along a longitudinal direction of the first and second optical fibers. The method includes: measuring an optical path length difference between a first optical path including the first optical fiber and a second optical path including the second optical fiber; and calculating a temperature of the measurement unit based on the optical path length difference. When temperatures of the first and second optical fibers are uniform, optical path lengths of the first and second optical paths are equal.

Abstract: An electrically conductive plate of a treatment instrument includes a treating surface and a back surface facing an opposite side of the treating surface, and an electric component is arranged on the back surface of the electrically conductive plate. The electric component is electrically independent from the electrically conductive plate, and a holder supports the electrically conductive plate from the back surface side. A connector is made of a thermoplastic resin, and arranged on either side of and spaced from the electric component in a width direction intersecting with a longitudinal axis. The connector stationarily fixes each end of the electrically conductive plate in the width direction to the holder.

Abstract: An inference learning device, comprising an input device for inputting data from a data acquisition device, a learning device for obtaining an inference model by learning using training data that has been obtained by performing annotation of the data, and a data processing device that, for data that has been obtained continuously in time series from the data acquisition device, makes provisional training data by performing the annotation on a plurality of items of data that have been obtained from data that was obtained at a given first time to a second time that has been traced back to a predetermined time, and makes data, among the provisional training data that has a high correlation of causal relationship with the data of the first time, into adopted training data, which is training data used in the learning device.

Abstract: This treatment portion of a medical energy device treats a biological tissue by transferring energy to the biological tissue, in a state where the treatment portion is in contact with the biological tissue. The treatment portion of the medical energy device includes a main body portion and a covering film. The main body portion transfers energy to the biological tissue. The covering film contains silicone as a main component, and covers the surface of the main body portion. The silicone includes at least a D unit and a T unit. In the silicone, the molar ratio of silicon atoms forming the D unit with respect to all the silicon atoms is 40-99%. In the silicone, the molar ratio of methyl functional groups bonded to the silicon atoms with respect to all functional groups bonded to the silicon atoms is at least 60%.

Abstract: An image pickup module includes: a lens unit including a first principal surface and a second principal surface; an image pickup unit including a third principal surface and a fourth principal surface on which an external electrode is disposed; a wiring board including a hole and a bonding electrode disposed on a bottom surface of the hole; a solder that bonds the bonding electrode and the external electrode; a rigid member that defines a spacing between the fourth principal surface and the bottom surface; and a second resin disposed between the fourth principal surface and the bottom surface.

Abstract: An insertion device includes: an insertion portion configured to be inserted into a subject; an imaging unit that includes an imaging element and an optical element and that is arranged at a distal end of the insertion portion, the imaging unit being configured to capture an internal image of the subject to generate an image signal; a transmitter that is arranged adjacent to a proximal end side of the imaging unit in the insertion portion, the transmitter being configured to transmit the image signal using millimeter waves or submillimeter waves; and a waveguide that is arranged on a proximal end side of the transmitter in the insertion portion and at a position distant from the transmitter with a distal end surface of the waveguide facing the transmitter, the waveguide being configured to propagate the millimeter waves or submillimeter waves.

Abstract: An image processing device includes a processor. The processor is configured to: recognize blood vessel running information; recognize a first bleeding position from a surgery image; identify a second bleeding position in the blood vessel running information corresponding to the first bleeding position in the surgery image; and identify a bleeding stopping point corresponding to the second bleeding position as a bleeding stopping recommended point corresponding to the first bleeding position. The processor: acquires information about the bleeding stopping recommended point corresponding to each of one or more blood vessel areas in the blood vessel running information; identifies the blood vessel area among the one or more blood vessel areas, to which the second bleeding position belongs; and performs processing in which the bleeding stopping recommended point corresponding to the blood vessel area thus identified is superimposed on the surgery image and displayed on a display.

Abstract: The medical system includes a basket treatment tool a processor. The processor determines, one or more of: a first determination, based on a transmissive image including the biliary duct, of whether a size of a gallstone allows the basket treatment tool to remove the gallstone from the papillary orifice, or a second determination, based on a resistance when the basket treatment tool is pulled, of whether the resistance allows the basket treatment tool to remove the gallstone from the papillary orifice; and controls the basket treatment tool to remove the gallstone from the papillary orifice when one or more of the first determination or the second determination determines that the gallstone is removable from the papillary orifice.

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 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 assist device includes fluorescence image generation means for generating a fluorescence image based on an imaging signal that is generated by capturing an image of fluorescence caused by an excitation light that is applied to a living tissue, fluorescence intensity calculation means for calculating a fluorescence intensity based on the fluorescence image, placement period estimation means for estimating, based on the fluorescence intensity, a placement period during which a medical tool is placed in a lumen, and placement period information output means for outputting placement period information on the placement period.

Abstract: A cannulation method includes inserting an endoscope into a duodenum, bringing a distal end section of the endoscope to a position where a duodenal papilla is within a field of view of the endoscope, promoting secretion of pancreatic juice or bile by administering a drainage stimulant, determining an amount of relaxation of the duodenal papilla, and performing cannulation into a biliary duct through the duodenal papilla where the amount of relaxation is greater than a predetermined amount.

Abstract: An energy treatment tool includes: a grip to be held by an operator; a lever that is provided in a state of being exposed to an outside of the grip, the lever being configured to move in response to a changing operation by an operator, the changing operation being for changing an output state of energy; an electric switch that is arranged inside the grip the electric switch being configured to generate a signal for changing an output state of the energy; and a driver that is installed inside the grip such that the driver is rotatable about an axis intersecting an axis along a longitudinal axis correspondingly to movement of the lever, the driver being configured to switch the electric switch between a contacting state and a noncontacting state.

Abstract: A laser light irradiation system that irradiates a stone in a body with laser light to cause the stone to be dust, the laser light irradiation system including a laser fiber that emits the laser light, and a processor configured to control a frequency of the laser light emitted from the laser fiber, wherein the processor is configured to switch between first laser light of a first frequency and second laser light of a second frequency such that the second laser light is emitted at least before or after an emission timing of the first laser light, the first laser light generating a water flow that pulls the stone toward the laser fiber, the second laser light generating a water flow that stirs the stone.

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

Abstract: An objective optical system for an endoscope comprising, in order from the object side, a first lens unit G1 having a negative refractive power, a second lens unit G2 having a positive refractive power, and a third lens unit G3 having a positive refractive power. The first lens unit G1 includes a negative lens L1. The second lens unit G2 includes a positive meniscus lens L2 having a convex surface facing the image side. The third lens unit G3 includes, in order from the object side, an object side positive lens L3 and a cemented lens CL made up of a positive lens L4 and a negative lens L5. The second lens unit G2 is moved for focusing. The objective optical system satisfies the following conditional expressions (1) and (2): - 0 . 0 ? 7 < f ? 1 / f ? 2 < - 0 .015 ( 1 ) - 0.4 < f ? 1 / f ? 3 < - 0 .

Abstract: Provided is an endoscopic treatment method for resecting a full thickness of a gastrointestinal wall under an endoscope, the method including: making a full circumferential incision in tissue around a target tissue up to a submucosal layer; fixing a traction device to a first location positioned further outside the target tissue; pulling the first location using the traction device so that a first region and a second region are folded and approach each other along a fold line that passes through the first location and divides the target tissue into the first region and the second region, to lift the full thickness of the gastrointestinal wall including the target tissue toward a gastrointestinal lumen side; suturing the submucosal layer exposed by full circumferential incision; and resecting the target tissue placed in the lumen side of the sutured area.

Abstract: A treatment device includes a treatment tool and an outer tube connected to a long guide device and into which the tool is inserted, wherein the tube includes: a slack portion formed from a portion of the tube in a longitudinal direction of the tube, the slack portion being disposed in a slackened state; and a movable portion disposed on a proximal-end side of the slack portion, the movable portion being movable forward and backward in the longitudinal direction, and a slack amount of the slack portion changes as a result of the movable portion being moved forward and backward with respect to the tool, and, accordingly, a distal end of the tool disposed farther on a distal-end side than the slack portion is moved in the longitudinal direction.