Single viewpoint panoramic imaging attachments for a colonoscope are disclosed that are compact in size and provide 360-degree side and rear-views in a single image. One panoramic attachment assembly includes a plurality of micro-imaging subsystems that are positioned around a central opening. Each micro-imaging subsystem includes a reflector to receive light that is reflected from a surrounding tissue, an imaging lens, and a detector to generate signals corresponding to one section of a panoramic image of the surrounding tissue. The micro-imaging subsystems are arranged to all have a common view point, and are configured to collectively form a full 360-degree image of the surrounding tissue.

A medical-endoscopic instrument includes a distal elongate insertion section (1), for the minimal-invasive introduction into a human or animal body, with a first LED (5), a second LED (7) and a picture sensor (9). The first LED includes a first light spectrum (19), suitable for fluorescence endoscopy. The second LED includes a second light spectrum (21), suitable for white light endoscopy. A light filter (23), arranged in front of the second LED in the viewing direction (x), has a transmission spectrum (25). The second LED is configured to irradiate according to the second light spectrum on average more intensively in a first wavelength region (K) than in a second wavelength region (L). The light filter is configured to let through light, which is emitted by the second LED, according to the transmission spectrum, on average less in the second wavelength region than in the first wavelength region.

One or more techniques and/or systems are disclosed for effectively illuminating a target. The target may be in a confined field of view area. Such systems may mitigate shadows and lack of light homogeneity at surgical procedure settings, research sites, or other localized areas where humans may operate in a confined field of view area. One or more lighting modules can be disposed in a target area, for illumination of one or more illumination target locations in the confined field of view. An object detection component can detect an object or desired target in the target field of view location, and provide data indicative of the detected object/target to an illumination module adjustment component. Based on the data indicative of the detected object/target, the illumination module adjustment component can provide data indicative of an illumination adjustment to the first illumination module to provide desired illumination.

An ultrasound probe (104) includes a probe head (134). The probe head includes a transducer array (136) with a transducing surface (137), an instrument guide (142), and a light source (140). A method includes emitting a light beam, from a light source disposed on and adjacent to a transducer array of an ultrasound imaging probe, in a direction opposite of a transducing surface of the transducer array, at an inside wall of a cavity of a subject or object. A laparoscopic ultrasound imaging probe includes a shaft, a body, an articulating member that couples the probe head, and a handle coupled to the elongate shaft. The articulating probe head includes a transducer array that generates an ultrasound signal that traverses an image plane of the transducer array, an instrument guide, and a light source arranged to emit light in a direction opposite of the image plane.

An ultrasound endoscope includes: an insertion portion; an ultrasound functional unit including an ultrasound transducer; an endoscope functional unit that at least includes an imaging optical system; and a balloon locking portion configured to connect the ultrasound functional unit and the endoscope functional unit, the balloon locking portion having a groove shape that can lock a balloon. A first plane passes, in a direction of a longitudinal axis of the insertion portion, through a first end portion of the ultrasound transducer near the endoscope functional unit, the first plane being perpendicular to the longitudinal axis of the insertion portion, and the first plane is positioned closer to a proximal end than a second plane passing through a second end portion of the balloon locking portion near the ultrasound functional unit, the second plane being perpendicular to the longitudinal axis of the insertion portion.

A video imaging system is provided. The video imaging system is configured to maintain a video image displayed on a display unit in a predetermined orientation based upon a use. The video imaging system includes an endoscope, a camera head unit, a camera control unit configured to determine a focal distance, and a display control unit. The display control unit is configured to process the focal distance to determine a use. The use is processed by the display control unit so as to maintain the video image in the predetermined orientation. The contextual information may be focal distance, image data or endoscopic orientation.

An endoscope optical system unit according to the present invention, includes, an endoscope illuminating optical system which includes, a light-emitting section, and a first optical-path deflecting prism group which takes in illumination light emitted from the light-emitting section, and irradiates light to a subject upon deflecting an optical path, and the first optical-path deflecting prism group includes three prisms in order from an object side which are, a first prism, a second prism, and a third prism, and the first prism, the second prism, and the third prism are disposed to be mutually adjacent, and a direction of irradiation of the illumination light is let to be variable to a first direction by rotationally moving the first prism with respect to the second prism, and the direction of irradiation of the illumination light is let to be variable to a second direction which differs from the first direction, by rotationally moving the first prism and the second prism integrally, with respect to the third prism; and an endoscope objective optical system, wherein the endoscope objective optical system includes a second optical-path deflecting prism group, and a lens group, and the second optical-path deflecting prism group includes three prisms in order from the subject side, a fourth prism, a fifth prism, and a sixth prism, and the fourth prism, the fifth prism, and the sixth prism are disposed to be mutually adjacent, and a visual field direction is let to be variable to the first direction by rotationally moving the fourth prism with respect to the fifth prism, and the visual field direction is let to be variable to the second direction which differs from the first direction, by rotationally moving the fourth prism and the fifth prism integrally, with respect to the sixth prism, and the first optical-path deflecting prism group and the second optical-path deflecting prism group are disposed such that a third axis of rotation when the fourth prism rotates with respect to the fifth prism, and a first axis of rotation when the first prism of the endoscope illuminating optical system rotates with respect to the second prism, become coaxial, and the first optical-path deflecting prism group and the second optical-path deflecting prism group are disposed such that a fourth axis of rotation when the fourth prism and the fifth prism rotate integrally with respect to the sixth prism, and a second axis of rotation when the first prism and the second prism rotate integrally with respect to the third prism, become coaxial, and both the visual field direction of the endoscope objective optical system and the direction of irradiation of the illumination light of t

An endoscope system includes an image acquisition section, an attention area setting section, and a dimming control section. The image acquisition section acquires a captured image that includes an object image. The attention area setting section sets an attention area within the captured image based on information from the endoscope system. The dimming control section performs a dimming control process that controls the intensity of illumination light based on the attention area set by the attention area setting section.

A blood vessel harvesting system, which harvests blood vessels in a state of being covered by surrounding tissue, includes a separating device and a display device. The separating device includes a rod portion that is inserted into a living body, an optically transparent taper-shaped separating portion that is disposed at a distal end part of the rod portion, an endoscope portion that is disposed inside the rod portion and captures an endoscope image of an interior of the living body via the separating portion, and an ultrasound transceiver portion that is disposed on an outer peripheral surface of the rod portion, irradiates the interior of the living body with an ultrasonic wave, and receives a reflected wave from the interior of the living body. The display device matches a scale of the endoscope image with a scale of an ultrasound image acquired by the ultrasound transceiver portion and simultaneously displays the endoscope image and the ultrasound image side by side on the display screen, and the display device disposes the endoscope image and the ultrasound image on the display screen such that a point in the endoscope image indicating a predetermined position in the living body matches a point in the ultrasound image indicating the predetermined position on the display screen.

The wide angle optical system includes in order from a side of an object in front, a first lens group having a negative refractive power, a second lens group having a catadioptric optical element, an aperture stop, and a third lens group having a positive refractive power, and the catadioptric optical element has a first surface, a second surface, and a third surface, and the first surface has a first transmitting surface and a first reflecting surface, the second surface has a second transmitting surface and a second reflecting surface, and the third surface has a third transmitting surface, and the third transmitting surface is a side surface of a circular truncated cone, and the following conditional expressions (1), (2), and (3) are satisfied:

νp<νn  (1),

|φp|<|φn|  (2), and

90°−θk<α/2  (3).