Abstract: A video endoscope including an elongate shaft having a distal end and a proximal end; a tubular sleeve arranged in the shaft so as to be rotatable about a longitudinal axis of the shaft; a connector arranged at the proximal end of the shaft; an objective arranged at the distal end of the shaft; at least one image sensor arranged in the shaft so as to be proximal to the objective, the at least one image sensor being surrounded by the tubular sleeve; a flexible signal line connecting the at least one image sensor to the connector; and a fastener for detachable fastening the flexible signal line.

Abstract: An endoscope apparatus includes: an insertion portion having a distal end portion; an optical path switching unit configured to switch an optical path so that only one of a first subject image and a second subject image is imaged on an image forming area, the second subject image being an image of a subject formed by light emitted from a second objective optical system disposed at the distal end portion and having an optical magnification higher than that of the first objective optical system; an imaging element configured to generate an image acquired by picking up the first subject image and the second subject image formed in the image forming area; and an endoscope processing unit configured to control switching of the optical path based on an input zoom magnification and apply image processing to the image generated by the imaging element.

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: 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: 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: A manipulator system includes: a manipulator including an elongated flexible section, a movable section provided at a distal end of the flexible section, and a driver that is provided at a proximal end of the flexible section and that drives the movable section; an insertion section having a channel into which the manipulator is inserted; an advancing/retreating section that advances/retreats the manipulator and that causes the movable section of the manipulator to protrude from, and to be withdrawn into, a distal end of the channel; a protrusion-state acknowledgement section that acknowledges a protrusion state in which an entirety of the movable section protrudes from the distal end of the channel; and a restricting section that, when the protrusion state is acknowledged with the protrusion-state acknowledgement section, restricts further retreating motion of the driver performed by the advancing/retreating section.

Abstract: A disclosed medical device includes a first data transmission path that includes a first insulation device connecting a secondary circuit and a patient circuit such that serial data output from the secondary circuit is transmitted to the patient circuit while maintaining electrical insulation between the secondary circuit and the patient circuit; a second data transmission path that includes a second insulation device connecting the secondary circuit and the patient circuit such that the serial data transmitted from the secondary circuit to the patient circuit via the first data transmission path is fed back to the secondary circuit while maintaining electrical insulation between the secondary circuit and the patient circuit; and a comparison determination unit that is provided in the secondary circuit and compares the serial data output from the secondary circuit with the serial data fed back to the secondary circuit.

Abstract: A device for visualization of internal tissue of a patient's uterus having a hand-held control unit, an elongated member, and an image capturing tip. To increase the manoeuvrability of the image capturing tip, the elongated member forms a straight portion extending along a straight axis and a curved portion forming a curvature away from the straight axis, the curved portion being between the image capturing tip and the straight portion. By rotation of an inner tube in an outer tube, the image capturing structure will move along a circular path without being rotated about the centre axis of the elongated member.

Abstract: An endoscope system includes a correction-value calculating unit that calculates a correction value of data to be used for calculation of the biological information or the like; an index-value calculating unit that calculates one type of index value or a plurality of types of index values to be used as a determination reference for determining whether, for example, the correction value is to be calculated; a determination unit that determines, by using the one type of index value or the plurality of types of index values, whether an endoscope image is appropriate for correction; and a correction unit that, if the determination unit determines that the endoscope image is appropriate for correction, corrects the endoscope image, the biological information, or the data by using the correction value calculated by using the endoscope image that has been determined to be appropriate for correction.

Abstract: An endoscope system includes a correction-value calculating unit that calculates a correction value of data to be used for calculation of biological information; an index-value calculating unit that calculates one type of index value or a plurality of types of index values to be used as a determination reference for determining whether the correction value is to be calculated or whether the correction value is to be used; a display unit that displays the one type of index value or the plurality of types of index values; an input unit that inputs an instruction for calculating the correction value or an instruction for executing correction by using the correction value; and a correction unit that, if the correction-value calculating unit calculates the correction value in response to the instruction for calculating the correction value or if the instruction for executing correction is issued, executes correction by using the correction value.

Abstract: An electronic endoscope device is provided. An electronic endoscope device for obtaining an imaging signal from an imaging device for imaging an object and outputting an image based on the obtained imaging signal is provided with a brightness calculation unit that calculates brightness of the image, and a control unit that changes an exposure time in the imaging device exponentially so that the brightness calculated by the brightness calculation unit approaches set brightness.

Abstract: The endoscope system includes an image acquiring unit that acquires a first image and a second image, the first image being obtained by imaging an observation target by using first illumination light, the second image being obtained by imaging the observation target by using second illumination light that is different from the first illumination light at a different timing from the first image; an alignment unit that aligns the first image and the second image; and an accuracy changing unit that changes an accuracy of the alignment in accordance with at least a structure of interest to which an attention is paid in the observation target.

Abstract: An endoscope system is disclosed that included a camera head, a detection unit, and a distortion correction processing unit. The camera head is detachably connected to an eyepiece unit of a plurality of types of endoscopes inserted into a subject, the camera head including an imaging unit that captures a subject image received from an endoscope among the plurality of types of endoscopes that is connected to the eyepiece. The detection unit that detects a size of the subject image in the captured image on the basis of a luminance signal of each pixel in the captured image obtained by the imaging unit. The distortion correction processing unit that corrects an optical distortion of the captured image depending on sizes of a plurality of different subject images.

Abstract: A portable endoscope includes: an operation portion; a video display device provided with a display portion and a device body; and a suction valve or a gas feeding adapter including a tube connecting portion provided on a fluid pipe sleeve. The body attaching portion of the device body is provided at a predetermined position positionally displaced from a central part of the device body; and the tube connecting portion is arranged along a back face of the device body and arranged in a display portion projection range projecting outward from the operation portion left side face viewed from the video display screen side.

Abstract: A medical endoscope system adapted to be inserted into a living body to image an interior of the living body includes: an imaging device that includes a distal end part inserted into the living body to illuminate the living body, and condenses light from the living body to generate two imaging signals having parallaxes; first and second light source units configured to generate first illumination light and second illumination light for illuminating the living body respectively, and supply the first illumination light and the second illumination light to the imaging device; and a display image generation unit configured to generate a display image signal based on the two imaging signals from the imaging device.

Abstract: An endoscope cover that is to be attached to a distal framing portion of an endoscope, includes: a cover main body having an annular portion configured to surround a periphery of the distal framing portion; a fragile portion provided in the annular portion of the cover main body, having a mechanical strength lower than a rest of the annular portion.

Abstract: A treatment instrument insertion tool includes a main body section, an attachment portion configured to attach the main body section to an insertion section, a guide section that is connectable to a treatment instrument insertion port of an endoscope, and that is configured to guide a treatment instrument extending from the main body section into the insertion section through the treatment instrument insertion port, and an operation member that is provided on the main body section, that can fix the treatment instrument that is inserted in the main body section, by being at least partially elastically deformed, and that is configured to perform an operation of moving the treatment instrument forward or backward along a direction of an axis of the treatment instrument and an operation of rotating the treatment instrument around the axis in a fixed state in which the treatment instrument is fixed.

Abstract: An endoscope including an elongated insertion section; a side observation window that includes a tapered part on a side circumference intersecting in a longitudinal axis direction of the insertion section, a circumferential side surface formed in a cone shape; and a cleaning nozzle that includes an opening through which liquid cleaning the circumferential side surface of the side observation window is ejected. The opening is inclined to direct an ejection direction of the liquid toward a distal end of the tapered part. A center position of the opening part of the cleaning nozzle is provided on a proximal end side with respect to a center position of the side observation window in the longitudinal axis direction.

Abstract: A medical instrument includes an instrument body and an operating mechanism. The instrument body has a window portion having a light permeable segment. The operating mechanism includes an indicator unit and an operating unit. The indicator unit is disposed in the window portion, and is changeable between a detectable state where the indicator unit is detectable through the light permeable segment of the window portion and a non-detectable state where the indicator unit is non-detectable through the light permeable segment. The operating unit is connected to the indicator unit and operable to change the indicator unit between the detectable and non-detectable states. An endoscopy system including the medical instrument is also disclosed.