Abstract: The invention relates to a system for endoscopic imaging comprising a light source configured to generate light and an, in particular rigid, insertion portion configured to be inserted into an object and comprising a distal end, a proximal end and at least one light guiding path. The system further comprises a first imaging device mounted at the proximal end of the insertion portion and optically coupled to the light guiding path, the first imaging device comprising a plurality of first detecting elements exhibiting a first sensitivity to light. A flexible guiding portion comprising a distal end and a proximal end is provided to guide a second part of the light emanating from the medium from the distal end of the guiding portion to the proximal end of the guiding portion.

Abstract: The disclosed technology is directed to a treatment instrument that comprises a sheath main body having opposed respective distal and proximal end regions. The sheath main body includes an outer diameter such that the sheath main body capable of being fit into the channel for insertion of the treatment instrument of the endoscope. The sheath main body includes a lumen extending along a longitudinal axis in the distal end region. A wire-shaped incising portion is configured to engage with the sheath main body so as to protrude from an outer circumferential surface of the sheath main body in the distal end region and extending along the longitudinal axis of the sheath main body. The wire-shaped incising portion is used to incise a tissue. A wire is attached to at least a portion of the sheath main body and having a region in which the wire has different bending resistances.

Abstract: The invention generally relates to catheter systems and methods for guided formation of vascular access sites (such as fistulas and grafts). According to certain aspects, a catheter system for forming a vascular access site include an elongate body comprising a distal end and configured to be inserted into a first vessel. The elongate body includes an exit port along its side that is proximal to the distal end. An imaging assembly is associated with the elongate body and configured to generate image data of the first vessel and a second vessel positioned next to the first vessel. For vascular access formation, a penetrating member of the catheter system extends out of the exit port and through a wall of the first vessel and a wall of the second vessel.

Abstract: A region-of-interest detection unit detects the region of interest including the target of interest among an observation target, from the medical image. An overlooking determination unit determines whether a user overlooks the target of interest. A monitor includes a first screen which displays a video of the medical image and displays the region of interest, and a second screen which is a screen different from the first screen and displays the region of interest. An overlooking notification control unit performs a control of an overlooking occurrence notification in a case where it is determined that the target of interest is overlooked.

Abstract: An endoscopic system includes a left optical system having a first focal position, a right optical system having a second focal position that is different from the first focal position. An image capturing device generates a first image and a second image respectively from images of a subject that are obtained by the left optical system and the right optical system. A display device displays the first image or the second image. A proper image determiner determines the magnitude relationship between the position of the subject in a predetermined area displayed on the display device and at least one threshold value Th is established between the first focal position and the second focal position. A video signal processor switches to the first image or the second image depending on a determined result from the proper image determiner and displays the image on the display device.

Abstract: An endoscope system includes a plurality of light sources which emits light having different wavelengths, a photodetector which is provided in each of the plurality of light sources, and which receives a part of the light of the plurality of light sources and obtains information on a light emitting quantity of the plurality of light sources, an image acquisition unit that acquires an image to be observed for each illumination light using at least first illumination light and second illumination light, composed of the light emitted from at least one of the plurality of light sources, and a control unit that makes a mutual image signal ratio constant in the plurality of images acquired by the image acquisition unit.

Abstract: Provided are a package of a mounting jig mounted balloon and a balloon mounting method capable of reducing the burden of an operation of mounting a balloon in an insertion part of an endoscope. A balloon includes a first sleeve part, a second sleeve part, and a balloon main body. A balloon mounting jig is formed to be folded flat in a hollow cylindrical shape, and has a main body having a first opening part and a second opening part, and a pair of guide pieces that is provided on the second opening part and face each other. A package of a mounting jig mounted balloon is configured so that the balloon mounting jig and the balloon are contained in the container, in which in the container, the balloon is disposed so that the second sleeve part is disposed inside the folded balloon main body and the pair of guide pieces is disposed inside the first sleeve part and the second sleeve part.

Abstract: Described are colonoscopy systems and methods of using such systems. The colonoscopy systems may include an optical scanning system having at least one illuminator configured to produce spatially patterned light and solid light in at least one frame to illuminate tissue within the colon, and at least one camera configured to capture the at least one image of the illuminated tissue within the colon. Additionally, the optical scanning system may include at least one control system configured to construct at least one three dimensional point cloud representations of the tissue within the colon.

Abstract: Provided are a medical image processing device, an endoscope system, and a method of operating a medical image processing device that can enhance the reliability for recognition results obtained by recognition processing in a case where a lesioned part or the like is diagnosed by recognition processing of artificial intelligence (AI). Comparison between a first medical image and a second medical image to be a comparison target with respect to the first medical image is performed. A specific medical image selected in accordance with a result of the comparison from among the second medical images is acquired. A monitor displays a plurality of recognition results that are obtained from recognition processing that is performed with respect to the specific medical image and performed for recognizing the observation target.

Abstract: There is provided an overtube that can suppress contact of an opening edge portion of a ventilation hole of the overtube with a lumen inner wall surface. The overtube includes an overtube body that has a distal end and a proximal end and allows an insertion part of an endoscope, which is to be inserted into a lumen, to be inserted therein, a balloon that is mounted on an outer circumferential surface of the overtube body, a protruding part that is formed on the outer circumferential surface, and an ventilation hole that is formed in the outer circumferential surface and allows the outer circumferential surface and an inner circumferential surface of the overtube body to communicate with each other. On the outer circumferential surface, one of the protruding part or the ventilation hole is formed in a peripheral portion of the other.

Abstract: A hybrid apparatus for delivery of fluid in connection with endoscopic irrigation and lens cleaning including a connector which is adaptable to a flexible or rigid container, a connector arranged at the end thereof and connected via a tubing supply to a fluid, air and or gas source and to an endoscope during a procedure.

Abstract: An endoscope includes a shaft having a distal end, an optical imaging device at the distal end of the shaft for producing a real image of an object observed by means of the endoscope and at least one of an image transfer device for transmitting the real image and an image sensor for capturing the real image. The imaging device has curved light-refracting interfaces, which are tilted in relation to one another.

Abstract: A surgical treatment apparatus comprises an elongate support, an elongate tube, and a movable endoscope having a stiff distal portion, in which the stiff distal portion of the endoscope is configured to move one or more components of the apparatus when the support remains substantially fixed. The support may comprise a plurality of spaced apart aspiration openings near the distal end in order to facilitate alignment with the treatment site. In many embodiments, an image guided treatment apparatus is configured for use with an imaging device. In many embodiments, a target resection profile is provided. The target resection profile and one or more tissue structures are displayed on an image, and the target resection profile displayed on the image is adjusted with user input.

Abstract: A master-slave system that includes a first manipulator supporting a first end effector; a second manipulator supporting a second end effector; an input device configured to concurrently receive from a hand of an operator a first movement command to effect a desired movement of the first end effector and a second movement command to effect a desired movement of the second end effector; and a processor configured to determine a desired movement of the first and the second end effectors in response to the first and second movement commands received from the input device respectively.

Abstract: An endoscope light emitting device (1) is a light emitting device for use in a fluorescence imaging method. The endoscope light emitting device includes: a solid-state light emitting element (2); and a wavelength converter (3) including a first phosphor (4) that emits first wavelength-converted light (7), wherein the first wavelength-converted light has a light component across at least a whole of a wavelength range of 700 nm or more and 800 nm or less. An endoscope (11) includes the endoscope light emitting device. A fluorescence imaging method is a method using the endoscope light emitting device or the endoscope, and includes the steps of: administering a fluorescent drug to a subject; and applying the first wavelength-converted light (7) to the subject with whom the fluorescent drug has made contact.

Abstract: According to a endoscope, an engaging part delivered from a delivery port advances while being guided to an opening of a housing part by an engagement guide path. Then, as the engaging part comes into contact with a deformation generating part, the engaging part is moved in a direction from a bottom surface of the housing part toward the opening, and thereby, the wire is elastically deformed. Then, in a case where the engaging part that advances within the engagement guide path has passed by the deformation generating part, the engaging part is housed in the housing part from the opening by a restoring force of the wire.

Abstract: A wireless endoscopic camera system includes a surgical endoscope for viewing tissue within a patient, an imager for converting an optical image viewed by the endoscope into digital image data, a processor for processing the digital image data, a transmitter for establishing at least one wireless link to a remote receiver and conveying the processed digital image data over the at least one wireless link, and a plurality of antennas of a camera head that are in communication with the transmitter for receiving the digital image data from the transmitter and wirelessly relaying the digital image data to the remote receiver.

Abstract: The present disclosure provides devices and methods for insufflating abdomens of subjects under direct visualization. Such devices and methods, in some implementations, include features for cleaning the devices, and certain implementations of the methods permit procedures wherein it is not necessary to use a typical obturator to place a cannula, resulting in safer procedures.

Abstract: An endoscope having an endoscope shaft and a main body, which is connected to the endoscope shaft and on which a first dial that has a first contact surface is mounted in a rotatable manner, is provided. The main body has a second contact surface against which the first contact surface bears. The contact surfaces move against one another when the first dial is rotated. A first setting unit is provided, using which a pressure force with which the first contact surface is pressed against the second contact surface is settable in order to set a minimum torque that is necessary in order to rotate the first dial.

Abstract: An endoscope system having: a transmission cable electrically connecting an actuator that moves an optical element along an optical axis direction and a driving signal generator for generating and supplying a driving signal for driving the actuator; a detector configured to detect magnitude of the driving signal output from the driving signal generator to be supplied to the actuator through the transmission cable; and a processor configured to supply the driving signal with an initial driving voltage value to the actuator for a predetermined time, calculate a combined resistance value including a resistance value of the transmission cable and a resistance value of the actuator, based on at least the detected magnitude of the driving signal, calculate a driving voltage of the actuator, based on the calculated combined resistance value and a preset rated current value of the actuator, and cause a storage to record the calculated driving voltage.