Abstract: A stent delivery system includes: a stent delivery device configured to carry a stent to a stenosis and indwell the stent; an observation device configured to observe the stenosis; and one or more processors comprising hardware, the one or more processors being configured to: acquire an observation image from the observation device, and determine, based on the observation image, at least one insertion position, which is a position within the stenosis where the stent delivery device is recommended to be inserted.

Abstract: The system includes a memory that stores a trained model, and a processor. The processor acquires at least one treatment image including an image in which at least one energy device and at least one biological tissue are captured. The processor acquires information regarding an amount of energy supply, the information regarding an energy output setting of the energy device. The processor estimates, based on the treatment image, the information regarding the amount of energy supply, and the trained model, estimated remaining heat information regarding an amount of heat or a temperature of the energy device. The processor causes a notification section to make a notification based on the estimated remaining heat information.

Abstract: A laser scanning method including emitting a pulsed laser beam from a distal end of an optical fiber in a liquid medium during a first period, the pulsed laser beam being emitted for generating a bubble at the distal end, stopping emission of the pulsed laser beam from the distal end during a second period, wherein the first period is a period for moving the optical fiber closer toward an operation member disposed parallel to the optical fiber by utilizing contraction of the bubble that comes into contact with or close to the operation member, and wherein the second period is a period for moving the optical fiber away from the operation member.

Abstract: A surgical tool, which can be identified in a simple and at the same time unambiguous manner. This is achieved in that a surgical tool has an electrical conductor element having a tool-specific electronic signature. An unambiguous identification of the tool is possible via this tool-specific electronic signature. Each surgical tool of the claimed type thus has a signature, using which it can be unambiguously identified.

Abstract: A laser scanning method that is a method for scanning a laser beam emitted from a distal end of an optical fiber in a liquid medium. The laser scanning method includes emission of a pulsed laser beam from the distal end in the medium, wherein the emission of the pulsed laser beam includes: generating a bubble that is to come into contact with the distal end and an operation member by means of the laser beam emitted from the distal end, the operation member being disposed only at one side of the distal end in a radial direction of the optical fiber; and contracting the bubble by stopping the emission of the laser beam from the distal end.

Abstract: An objective optical system including a first lens and a second lens that are arranged in this order from an object side along a main optical axis, wherein the first lens has a partially spherical shape having a first flat surface, the second lens has a partially spherical shape having a second flat surface, the first flat surface is disposed on a side of the object and is inclined with respect to the main optical axis, and the second flat surface is disposed on an opposite side which is opposite from the side of the object and is perpendicular to the main optical axis.

Abstract: Provided is a method of bonding an operation wire used in a medical equipment. The method includes: locally heating an adjacent region of a bonding region of an operation wire to generate an oxide in the adjacent region of the operation wire; coating the bonding region and the adjacent region with flux to remove an oxide in the bonding region and the oxide in the adjacent region; inserting a bonding end portion of the operation wire into a through-hole of a coupling material; injecting a melted bonding material into between the coupling material and the operation wire to integrally bond the coupling material and the operation wire such that the oxide remaining in the adjacent region prevents wet-spreading of the bonding material.

Abstract: Provided is a control device for controlling a schedule of at least one medical event that includes at least one of a surgery, an examination, and a medical interview. The control device includes at least one processor that includes hardware. The at least one processor is configured to: grasp progress of the medical event that is currently being performed; and determine whether adjustment of the schedule is necessary or not, based on the progress. The schedule includes information about a required time of each stage that is performed in each medical event. The at least one processor is configured to: grasp a current stage of the medical event that is currently being performed, based on an endoscopic image of the medical event that is currently being performed; and grasp the progress based on the current stage and the schedule.

Abstract: An image acquisition unit acquires an endoscopic image photographed by an endoscope. A segmentation unit partitions the endoscopic image into a plurality of regions. A depth information generator generates depth information indicating a depth of the endoscopic image. A recognition unit specifies a direction in which the endoscope is advanceable based on region information indicating a result of segmentation by the segmentation unit and depth information of the endoscopic image generated by the depth information generator.

Abstract: An endoscope includes an insertion portion that is inserted into a subject, and a suction channel that suctions a liquid along with a crushed calculus. The suction channel includes a channel main body, which is inserted in the insertion portion, and a small-diameter channel portion that is provided on a distal end side of the channel main body and has an inner diameter smaller than an inner diameter of the channel main body. The suction channel is configured to satisfy the relational expression R1/R2>1.27, where R1 represents the inner diameter of the channel main body and R2 represents the inner diameter of the small-diameter channel portion.

Abstract: A pixel region includes: pixels each including a plurality of photoelectric conversion devices; a light-shielding region; and an effective region. A reading circuit reads, from a first row of the pixel region, a pixel signal obtained by adding signals of the plurality of photoelectric conversion devices, and reads, from a second row of the pixel region, a plurality of signals including phase difference information. A horizontal streak correction circuit performs one of a first offset correction based on a signal read from the light-shielding region and a second offset correction based on a predetermined value on a pixel signal obtained from a second row of the effective region. An image processing circuit processes image data according to a parameter. The horizontal streak correction circuit selects the first offset correction or the second offset correction according to the parameter.

Abstract: A stent delivery system includes: a stent delivery device configured to carry a stent to a stenosis and indwell the stent, an observation device configured to observe the stenosis, and one or more processors comprising hardware, the one or more processors being configured to: acquire an observation image from the observation device, and determine at least one stent candidate to be placed in the stenosis based on the observation image.

Abstract: An electrosurgical generator for operating an electrosurgical instrument is characterized by a control device which is adapted to control a cooling device at least with a first control curve and a second control curve, wherein the first control curve is used to control the rotational speed of the cooling device depending on the monitored temperature during a first operating mode of the electrosurgical generator and the second curve is used to control the rotational speed of the cooling device depending on the monitored temperature during a second operating mode of the electrosurgical instrument, wherein the first control curve and the second control curve are different from each other. A method for operating an electrosurgical generator for operating an electrosurgical instrument and to an electrosurgical generator system includes an electrosurgical generator and an electrosurgical instrument.

Abstract: An image processing device includes: a processor comprising hardware, the processor being configured to calculate an evaluation value of a captured image that is obtained by capturing a subject, determine whether or not the evaluation value is included in a specific extraction range recorded in a memory, extract the captured image as an image of interest including a lesion when the processor has determined that the evaluation value is included in the specific extraction range, and update the specific extraction range based on the evaluation value.

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: 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: A conduit switching device includes a body, an endoscope connection port, a fluid supply port, a fluid suction port, a first conduit in the body and the fluid supply port, a second conduit in the body and the fluid suction port, a common conduit in the body and the endoscope connection port, and a switching mechanism configured to be switched between a first state and a second state. In the first state, the first conduit communicates with the common conduit, and the second conduit does not communicate with the common conduit. In the second state, the first conduit does not communicate with the common conduit, and the second conduit communicates with the common conduit.

Abstract: A ventilation pipe sleeve system comprises a ventilation pipe sleeve, a first filter, and a cap attached to the ventilation pipe sleeve. The ventilation pipe sleeve includes a tubular body including an outer surface and an inner surface. The inner surface of the tubular body defines a conduit extending from a first end to a second end of the ventilation pipe sleeve. The first filter is liquid impermeable and is gas permeable, the first filter is fixed to the tubular body to form a watertight structure at a first end region of the tubular body. The cap covers the first filter and at least a portion of the outer surface of the tubular body.

Abstract: The system includes a memory that stores first and second trained models, and a processor. The processor acquires a captured image in which at least one energy device and at least one biological tissue are imaged. The processor detects a bounding box from the captured image by processing based on the first trained model and estimates the image recognition information from the captured image in the bounding box by processing based on the second trained model. The processor outputs an energy output adjustment instruction based on the estimated image recognition information to the generator. The generator controls the energy supply amount to the energy device based on the energy output adjustment instruction.

Abstract: An endoscope cap includes: a light-transmissive portion having a tubular shape made of a light-transmissive material, the light-transmissive portion including a coating layer on a periphery of the tubular shape; and a tubular portion configured to connect the light-transmissive portion to a distal end of an insertion portion of an endoscope, the coating layer being configured to reflect light in a wavelength band for light treatment of a body portion and transmit light in a wavelength band for white light image capturing.

Abstract: An endoscope system according to the present invention includes: an illumination light source that emits illumination light for illuminating an object; a therapeutic light source that emits therapeutic light for causing a photoreactive reagent accumulated in a treatment target site to react; a guide light source that emits guide light having a wavelength shorter than a wavelength band of the therapeutic light source; an imager that captures an optical image, the imager including an optical filter that cuts light in the wavelength band of the therapeutic light and transmits a part of white light, the guide light, and fluorescence emitted by the reagent; a controller that controls emission timings of the illumination light source, the therapeutic light source, and the guide light source; and an image processor that generates an image on the basis of an optical image obtained by light emitted from the illumination light source, the therapeutic light source, and the guide light source, in which the controller cau

Abstract: Provided is a method of molding an optical element. The method includes: inserting a neck portion provided in each of an upper mold and a lower mold into a hole portion provided in a side surface mold; replacing an atmosphere in the hole portion of the side surface mold with an inert gas through a groove communicating between either an upper end surface or a lower end surface of the side surface mold and the hole portion of the side surface mold; heating a molding material disposed in the hole portion of the side surface mold; and bringing the upper mold and the side surface mold, and the lower mold relatively close to each other to press molding the molding material to obtain an optical element.

Abstract: An endoscope operation support apparatus (2000) acquires a shape data sequence (50) representing a temporal change of a shape category of an endoscope scope (40). The endoscope operation support apparatus (2000) uses the shape data sequence (50) to determine a target category suitable as a transition destination of the shape category of the endoscope scope (40) or a target position which is a position suitable as a position at which the endoscope scope (40) transitions. The endoscope operation support apparatus (2000) outputs target information (20) that is information regarding the target category or the target position.

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: An endoscope of the disclosure includes an insertion section including a distal end portion, a bending portion, and a flexible tube portion. The distal end portion includes: a first opening connected to an instrument channel, a second opening connected to a wire channel, a wire, a first detent surface, and a raising base rotatable about an axis between a lowered position and a raised position. The raising base includes an attachment housing and a distal end of the wire is attached to the raising base at the attachment housing. The wire is movable within the wire channel to rotate the raising base about the axis from the lowered position to the raised position, and in the raised position, a stop surface of the attachment housing contacts the first detent surface to limit an amount of rotation of the raising base.

Abstract: A stent delivery system includes: a stent delivery device configured to carry a stent to a stenosis and indwell the stent; an observation device configured to observe the stenosis; and one or more processors, each comprising hardware, the one or more processors being configured to: acquire an observation image from the observation device; and determine a target placement position for placing the stent in the stenosis based on the observation image.

Abstract: A light source device includes a plurality of light emitters, an optical system configured to combine light from the light emitters, a wavelength selective filter located on an optical path of the optical system, and an optical sensor configured to receive light from one light emitter among the light emitters through an optical filter. The optical filter has a wavelength selection characteristic corresponding to a wavelength selection characteristic of the wavelength selective filter.

Abstract: An endoscope according to an embodiment includes a grip unit, an insert unit, a light source, a light exit part provided in the insert unit, a first light guide, a second light guide, and an optical connector disposed in the grip unit. The first light guide has a first entrance end located on the side of the light source and a first exit end located on the side of the optical connector. The second light guide has a second entrance end located on the side of the optical connector and a second exit end located on the side of the light exit part. The light that goes out from the first exit end enters the second entrance end through the optical connector.

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: A reprocessor for medical equipment includes a sensor configured to detect that a liquid is within a detection range, and a tray in which a bottle containing the liquid is arranged. The sensor is arranged at a position where, in a state where the bottle having a first side surface, a second side surface, and a connection surface is set in the tray, one of the first side surface and the second side surface and the connection surface is inside of the detection range and another of the first side surface and the second side surface is outside of the detection range.

Abstract: An endoscope processor includes a processor. The processor discriminates, in first image information acquired by applying first illumination light, between first region image information constituted of an object of an interest subject and second region image information constituted of an object of a non-interest subject, generates third region image information of a region in second image information acquired by applying second illumination light, the region including at least a part of a region of the second region image information, the second illumination light having a wavelength different from a wavelength of the first illumination light and passing through the object of the non-interest subject, and combines the first region image information and the third region image information, to generate a partial transparent image in which the object of the non-interest subject of the first image information is made transparent.

Abstract: A probe for an ultrasonic treatment tool is configured to transmit ultrasonic vibration to a biological tissue. The probe includes a substrate including a stainless steel, a structure of the stainless steel including one or both of troostite and sorbate.

Abstract: A phototherapy device includes: a treatment light emitter configured to emit treatment light for causing a reaction of a drug; a first imager configured to obtain a tissue structure image which is formed using narrow band light applied onto an application position of the treatment light; a second imager configured to obtain a fluorescence image which is formed using excitation light applied onto the application position of the treatment light; a boundary region calculator configured to refer to the tissue structure image to determine a boundary region in which a tissue structure has changed; a fluorescence intensity variation calculator configured to calculate magnitude of variation in fluorescence intensity of the boundary region; and a display image generator configured to generate a display image to be used for displaying the magnitude of variation of the fluorescence intensity.

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 endoscope includes an insertion portion, an operation portion, a moving member, a detent, a rod, a wire and a bearing. The insertion portion is configured for insertion into a subject, the insertion portion including an actuating mechanism. The operation portion, the moving member, the rod and the wire are translatable in conjunction with each other. The detent located distally relative to the moving member, and the detent is configured to prevent a distally forward translation of the moving member past the detent. The bearing is located distally relative to the moving member, the bearing including an opening having a contact surface. The rod extends through the opening and is in slidable contact with the contact surface, and the contact surface is made of resin.

Abstract: A first acquisition unit acquires first identification information for identifying a first medical device having a first constituent component and a second constituent component. A second acquisition unit acquires the status of the first constituent component incorporated in a second medical device or second identification information for identifying the constituent component incorporated in the second medical device based on the first identification information. A recording unit records the status of the first constituent component or the second identification information and third identification information for identifying the second medical device in association with each other.

Abstract: An ultrasound probe includes: a transducer array in which a plurality of transducers configured to transmit and receive ultrasonic waves are arrayed with longitudinal directions of the transducers aligned; and a pair of housings each having a plate shape, the housings being configured to sandwich the transducers, the housings including a first conductive portion provided on a first face positioned on a side of each of the transducers, an insulating portion provided on an outer edge portion of a second face that is positioned on an opposite side of the first face, a second conductive portion provided on the second face, and a third conductive portion electrically connecting the first conductive portion and the second conductive portion.

Abstract: A surgical generator providing a high-frequency alternating voltage to a surgical instrument. It includes a control unit and a user interface connected thereto. The control unit is configured for controlling the surgical generator based on a set of functions. A signaling interface is provided for optical signaling in a bidirectional manner to and from the remote control. The signaling interface configures the control unit and/or the surgical generator dependent on communication from the remote control. Thereby the surgical generator can be re-configured by limiting certain functions for different fields of application by the remote control. Optical signaling avoids risks of radio transmission. It is an efficient short range communication usable within same room only, providing safety against external access. Thus, re-configuration can be accomplished in a safe and cost-effective manner.

Abstract: A phototherapy device includes: a treatment light emitter configured to emit treatment light for causing a reaction of a drug; a narrow band light emitter configured to emit narrow band light having part of wavelength band of a visible light range; an excitation light emitter configured to emit excitation light for causing excitation of the drug; a first imager configured to obtain a narrow band light image which is formed using the narrow band light applied onto an application position of the treatment light; a second imager configured to obtain a fluorescence image which is formed using the excitation light emitted onto the application position of the treatment light; and a display image generator configured to generate a superimposed image in which the narrow band light image and the fluorescence image are superimposed.

Abstract: An image pickup unit includes an image sensor, a first circuit board on which a first land is disposed around four first side surfaces, a second circuit board on which a second land is disposed around four second side surfaces, a movement detection sensor housed in a recess of the first circuit board, and a rectangular tube bonded to the first land and the second land and sealing the recess in an airtight manner.

Abstract: An ultrasound transducer array includes: a transducer group including a plurality of ultrasound transducers aligned, the transducers being configured to transmit and receive ultrasonic waves; a signal line configured to electrically connect the transducer group and an external device and transmit a signal communicated by the transducer group and the external device; and a relay board that is a bendable relay board and that has a first end and a second end, the first end being branched, the first end being connected to each of the ultrasound transducers, the second end being connected to the signal line to relay transmission and reception of the signal between the ultrasound transducers and the signal line, branched portions of the first end of the relay board extending in a direction of alignment of the ultrasound transducers.

Abstract: A phototherapy device includes: a treatment light emitter configured to emit treatment light for causing a reaction of a drug; a narrow band light emitter configured to emit narrow band light having part of wavelength band of a visible light range; an imager configured to obtain a narrow band light image which is formed using the narrow band light applied onto an application position of the treatment light; a narrow-band-light image variation calculator configured to calculate a time variation between the narrow band light image obtained before an application of the treatment light and the narrow band light image obtained after the application of the treatment light; and a display image generator configured to generate a display image including information based on the calculated variation.

Abstract: A voltage generation circuit includes a booster circuit, a control buffer circuit, and a driving buffer circuit. The booster circuit includes a capacitance element and a transistor. The booster circuit generates a higher first voltage than the power source voltage, and the control buffer circuit controls the transistor by using a third voltage that is lower than the first voltage and is higher than a ground voltage. Alternatively, the booster circuit generates a lower second voltage than the ground voltage, and the control buffer circuit controls the transistor by using a fourth voltage that is higher than the second voltage and is lower than or equal to the ground voltage.

Abstract: An accommodating container accommodates a medical instrument. A sensor unit acquires environmental information obtained at the time transportation of the accommodating container. A recording unit records the environmental information acquired by the sensor unit. A control device controls the functions of a medical instrument. The control device restricts the functions of the medical instrument based on the environmental information recorded in the recording unit.

Abstract: A processor comprises a receiver including a recess. The recess includes a channel, and an inflatable body located in the channel. The inflatable body has an outer periphery surface and an inner periphery surface. The inner periphery surface defines a central opening in the inflatable body. The inflatable body is reversibly inflatable between a deflated state and an inflated state.

Abstract: A method for detecting an image irregularity in one or more still images or video images produced by an endoscopic instrument. The method including: producing the one or more still images or video images; transmitting the one or more still images or video images to a processor comprising hardware; detecting, with the processor, a presence or an absence of the image irregularity in the one or more still images or video images; and where the presence of the image irregularity is detected, issuing a notification to a user about the presence of the image irregularity.

Abstract: A transport trolley including at least one receiving compartment configured to receive an instrument tray; and one or more of: a pre-cleaning device configured to pre-clean a surgical instrument in the instrument tray, the pre-cleaning device is configured to be connected to the surgical instrument by a coupling; and a pre-cleaning apparatus configured to pre-clean an outside of the surgical instrument.

Abstract: An illumination device including an illumination source having a light source; a sensor; and a processor; and a light guiding cable having main and secondary fiber bundles. The light guiding cable comprises a first end coupled to the illumination source and an opposite second end configured for coupling with a surgical instrument such that the light source provides the surgical instrument with light from the light source. The first end is coupled to the illumination source such that light from the light source is coupled into the main fiber bundle and light guided in the secondary fiber bundle is directed to the sensor. The processor receives a signal from the sensor indicative of an illumination level at the sensor and generates a control signal if the illumination level of the sensor is above a predetermined threshold value.

Abstract: An ultrasound probe includes: an ultrasound transducer that includes a piezoelectric element configured to transmit and receive ultrasound waves to and from a subject; and an adjustment layer that is laminated on the piezoelectric element, the adjustment layer being provided with a cut surface that is cut by a blade configured to cut the piezoelectric element, the adjustment layer including an adjustment material configured to improve cutting performance of the blade.

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.