Abstract: A medical observation system includes: a microscope; a support including a first joint configured to hold the microscope such that the microscope is rotatable about a first axis parallel to an optical axis of the microscope; and a first arm configured to hold the first joint and extend in a direction different from a direction of the optical axis of the microscope; a light guide cable inserted in the support and configured to guide illumination light to the microscope; and a binder configured to bind the light guide cable, wherein at least a part of the light guide cable is arranged along the first axis in a first section, the light guide cable extends in a direction different from the first axis in a second section, and the binder is configured to bind the light guide cable in the second section.

Abstract: An endoscope illumination unit includes: an incident part into which illuminating light guided via a light guide enters; a light guide body that includes an annular section having an inner peripheral surface and that guides the illuminating light having entered via the incident part and emits the illuminating light from an outer surface of the annular section; and a reflective sheet that has opposite end portions and that is provided on the inner peripheral surface of the annular section and scatters the illuminating light, having entered the light guide body, within the annular section. The opposite end portions of the reflective sheet bent in conformity to the inner peripheral surface of the annular section is positioned at a portion of the inner peripheral surface remote from the incident part.

Abstract: An auxiliary measurement light-emitting unit emits auxiliary measurement light that is planar light including at least two first feature lines. A taken image obtained through the imaging of a subject includes an intersection curve and at least two first spots that are formed at positions corresponding to first feature lines on the intersection curve. Measurement information representing the actual size of the subject is displayed in the taken image by using the positions of the first spots.

Abstract: The endoscope of the invention includes: an insertion portion; a multi-lumen tube including bending operation wire insertion holes; bending operation wires inserted into the bending operation wire insertion holes; a wire retaining member including two opening portions; a pressing member that presses a distal end surface of the multi-lumen tube through the wire retaining member; a treatment instrument insertion channel; a distal end rigid member including a through hole; and a pipe member. A contact area of the wire retaining member with a distal end surface of the multi-lumen tube is set to be larger than a contact area of a pressing member with the wire retaining member. The pressing member is disposed between the two opening portions of the wire retaining member. The wire retaining member includes a pipe holding portion that holds the pipe member and is held between the distal end rigid member and the multi-lumen tube.

Abstract: An endoscope includes a camera head including a first sensor having a first number of pixels, the first sensor being configured to receive green (G) light that is light with a G wavelength band, a second sensor having a second number of pixels smaller than the first number of pixels, the second sensor being configured to receive red (R) light that is light with a R wavelength band, and a third sensor having a third number of pixels smaller than the first number of pixels, the third sensor being configured to receive blue (B) light that is light with a B wavelength band.

Abstract: An endoscope has a distal end constituting portion provided at a distal end of an insertion section to be inserted into a subject, a distal end cover that is integrally formed to include a translucent plate-shaped first member and a second member arranged around the first member and that is attached to an end surface of the distal end constituting portion, and a resin portion that is annularly applied to a portion including a boundary portion between the first member and the second member and that prevents transmission of a fluid.

Abstract: A tip part for an endoscope has a vision receptor; a first light source; an exterior housing accommodating the vision receptor and the first light source; the exterior housing comprising a window positioned at a distal end of the tip part, the window being of a transparent material, the window comprising an exterior front surface positioned at least partly in front of the vision receptor and the first light source, wherein the window integrally comprises a first optical well of the transparent material, the first optical well being an interior protrusion positioned between the first light source and the vision receptor so that a portion of light emitted from the first light source and reflected from the exterior surface enters the first optical well, whereby stray light is at least partially prevented from entering the vision receptor.

Abstract: A rigid endoscope including: a shaft; a body disposed at a proximal end of the shaft, a fiber image guide mounted to move longitudinally within the shaft and body; a securing section for securing the fiber image guide, the securing section being positioned within the body; a sliding element mounted to move longitudinally within the body; and a protective sheath encasing the fiber image guide; wherein the fiber image guide is twisted, for image rotation, in a longitudinal portion corresponding to the protective sheath.

Abstract: An endoscope includes: a rigid distal structure portion; a rotational portion; an exterior member; a bearing opposed to the exterior member and recessed from an outer surface of the distal structure portion, the bearing being; and a preventing portion. The bearing is configured to receive and support the rotational shaft and to displace the rotational shaft from the distal structure portion by the exterior member being removed from the distal structure portion. The preventing portion provided on one of the rotational portion and the distal structure portion, and configured to prevent disengagement of the rotational portion by coming in contact with the other of the rotational portion and the distal structure portion when the rotational shaft is displaced from the bearing.

Abstract: An endoscope valve for switching connection states of a plurality of conduits formed in an endoscope includes: a cap including a leak hole through which a gas flowing via the conduit is dischargeable to an outside; and a shaft whose one end is connected to the cap, the shaft having a rod shape, extending in a longitudinal direction, and including: a main body portion including a hole portion forming a hollow space and a communication hole extending in a direction intersecting the longitudinal direction of the shaft and communicating with the hole portion and an outside; and a seal member including a protrusion portion provided in the hole portion and the communication hole, the protrusion portion protruding in the intersection direction from the communication hole.

Abstract: An articulating tracheoscope control device, a laryngeal mask airway (LMA) device, and an articulating tracheoscope control device and LMA device combination system, that can control precise movement of a distal end of a tracheoscope with a patient's larynx within an angular range of at least 180 degrees and can lock the distal end of the tracheoscope in any desired position within the patient's larynx such that managing the tracheoscope during a tracheostomy procedure is not required in order to monitor the tracheostomy procedure.

Abstract: An endoscope system includes an endoscope including a control section, an insertion section, and a light guide member, a light source configured to emit light guided by the light guide member, a failure-cause detecting circuit configured to detect a pre-failure state that causes a failure of the endoscope, and a light source controller configured to control an output of the light source based on a detection result of the failure-cause detecting circuit. The failure-cause detecting circuit includes a cause predicting circuit configured to detect a second pre-failure state in which it is predicted that the endoscope reaches a first pre-failure state that directly causes the failure of the endoscope. The light source controller controls the output of the light source based on a detection result of the cause predicting circuit.

Abstract: The present invention is a system and method for water cycling colonoscopy that includes a colonoscope with a water ejection system and a camera, and a rectal overtube that receives the colonoscope therein. The overtube is placed in the anus and has a vacuum port outside the anus that attaches to a vacuum source. The overtube vacuum port vacuums water emitted by the colonoscope while the colonoscope is moving through the colonic lumen to control the amount of fluid in the colonic lumen. The overtube may be fitted with structures to improve the fit and attachment to the anus, including an inflatable cuff and a flexible skirt.

Abstract: An in-vivo camera device and an in-vivo monitoring camera system more excellent in usability are proposed. An in-vivo camera device includes a camera unit introduced into a body, a support member, and a camera-side cable. The support member has a trocar connection portion for connection with a trocar at a front end side, and is connected to the trocar in a state in which the trocar connection portion is fitted into the trocar by applying tensile force to the camera-side cable passing through the trocar. The support member is provided with a guide introduction portion that is formed to be relatively long at the front end side as a stabilization structure for stabilizing connection with the trocar.

Abstract: An endoscope system includes an illuminator comprising a light source adapted to emit light of a light amount corresponding to a magnitude of supply energy, the illuminator configured to emit the light in a form of illumination light for illuminating a subject; an imager configured to image the subject to acquire an image; a controller configured to control the illuminator by adjusting the magnitude of the supply energy within a range less or equal to a maximum supply value, to bring brightness of the illumination light close to a target value; and a setter configured to set the maximum supply value according to a temperature of the light source.

Abstract: An endoscope includes: an image pickup device configured to convert image pickup light into an image pickup signal and output the image pickup signal; a light emitting element configured to output an optical signal based on the image pickup signal; a bonded prism including: a first prism including a first reflecting surface configured to reflect the image pickup light and a lower surface that is a first emitting surface configured to emit the image pickup light to the image pickup device; and a second prism including a second reflecting surface configured to reflect the optical signal that is incident from an upper surface and outputted from the light emitting element, the second reflecting surface being bonded with the first reflecting surface; and an optical fiber configured to transmit the optical signal reflected by the second reflecting surface.

Abstract: A type acquisition unit determines the type of an endoscope connected to an endoscope connection unit. A light source control unit performs control to make the light emission balance of light in the respective wavelength ranges, which is obtained in a case where the type of the endoscope corresponds to a first endoscope, and the light emission balance of light in the respective wavelength ranges, which is obtained in a case where the type of the endoscope corresponds to a second endoscope, be different from each other.

Abstract: A bending operation device includes a bending operation lever, a wire pulling member, bending operation wires, and tubular members. The bending operation lever is tiltably supported to have an angle with respect to a longitudinal direction of an operation unit of an endoscope. The wire pulling member includes arm portions displaced in conjunction with tilt motion of the bending operation lever. The bending operation wires are connected to the arm portions. The bending operation wires cause bending motion of a bendable part disposed in an insertion section of the endoscope. A respective one of bending operation wires is inserted in each of the tubular members. The tubular members (i) change extension directions of the plurality of bending operation wires and (ii) guide the plurality of bending operation wires to the plurality of arm portions.

Abstract: An endoscope includes a first pulling section, an first elongated member, a restricting portion, a sliding surface, and a partition. The restricting portion is provided inside the operation section, and is configured to restrict a position of the first pulling section. The sliding surface is provided in the restricting portion, and allows the first pulling section to move along the axial direction. The partition covers at least a part of the sliding surface and the first pulling section, and is configured to partition the first elongated member and the first pulling section. The partition and the restricting portion are configured to restrict a moving range of the connection portion within a range of the sliding surface.

Abstract: An arrangement for sterile handling of a non-sterile endoscope in a sterile environment includes a sterile endoscope sheath having an optical element arranged at its distal end, and a non-sterile endoscope. The optical element has a light-reflecting element or a light-reflecting area which reflects detection light emitted by the detection light source as reflection light toward a proximal end of the endoscope sheath. The non-sterile endoscope includes an endoscope shaft, an illumination optical system, and an observation optical system. The non-sterile endoscope is received in the endoscope sheath.