A surgery assisting apparatus comprises: a distance measuring unit configured to measure a distance to an object in a body cavity; a hollow tube including a cylindrical portion to be partially inserted into the body cavity and a portion that performs distance measurement by the distance measuring unit, the hollow tube enabling distance measurement in a given position on a circumference at a predetermined distance from a major axis of the cylindrical portion; and a controller configured to control the position on the circumference around the major axis where the distance measuring unit performs distance measurement, such that approach of a medical instrument inserted into the body cavity to the object is sensed, wherein the controller controls the position on the circumference around the major axis in accordance with an advancing direction of a distal end of the medical instrument.

[Object] To optimally adjust the specular refection component without lowered luminance

[Solution] An endoscope device according to the present disclosure includes: a reflection-presence image acquisition unit that acquires a reflection-presence image containing a specular reflection component from a subject; a reflection-absence image acquisition unit that acquires a reflection-absence image not containing the specular reflection component from the subject; and a synthesis processing unit that performs synthesis of the reflection-presence image and the reflection-absence image. This configuration makes it possible to optimally adjust the specular refection component without lowered luminance, and makes it possible to optimally perform observation of the subject.

An optical module for endoscope includes an optical element including an external terminal, a housing in which an insertion hole into which an optical fiber is inserted is present and has a bottom and a bottom surface made of a transparent material, and a sealing plate that is bonded to the housing. The optical element is stored in an upper recess of the housing, the external terminal and a bonding electrode are connected using a bonding wire, and a wire recess in which a part of the bonding wire is stored is present in a bottom surface of the upper recess.

An optical unit includes: an objective lens unit arranged on a distal end side; an image pickup unit arranged on a proximal end side of the objective lens unit; an optical frame; an image pickup device frame; a proximal-end-side outer circumferential face provided on a proximal end side of the optical frame; an inner circumferential face of a distal-end-side frame body provided on a distal end side of the image pickup device frame; a plurality of notches provided apart in a circumferential direction on an outer circumferential face of one of the frames, the plurality of notches having opening portions on end faces where the optical frame and the image pickup device frame face each other; and holding portions provided on an outer circumferential face of the other frame different from the one frame, the holding portions passing through the opening portions and being accommodated in the notches.

A method and device for inspection of a rotating asset is disclosed. In one embodiment, the inspection device can include textured pattern projection system for projecting a textured pattern onto an object surface to provide additional surface details to improve stereoscopic image matching. In another embodiment, the inspection device can be configured to save selected images a rotating object when the object is located in a selected or trigger position in different illumination modes. The saved selected images can be transmitted and stored in a cloud-based server and analyzed in an automated fashion.

This endoscopic apparatus has an insertion portion having a distal end portion; a first/second objective optical systems disposed in the distal endportion to forma first/second objective image of an object on an imaging region by transmitting light from the object through a first/second optical path; an optical path switching means configured to switch an optical path of the light from the object to either of the first optical path or the second optical path such that either of the first objective image or the second objective image is formed on the imaging region; an image sensor for capturing the first/second objective image; and an optical path switching controller for controlling the optical path switching means to switch the optical paths.

An optical system for stereoscopic vision includes in order from an object side, a front unit and a rear unit. Each of the front unit and the rear unit includes a lens component consisting of a single lens or a cemented lens. The front unit includes a first front unit and a second front unit, and an optical axis of the first front unit, an optical axis of the second front unit, and an optical axis of the rear unit are positioned in a same plane. The optical axis of the rear unit is positioned between the optical axis of the first front unit and the optical axis of the second front unit, and the following conditional expression (1) is satisfied:

0.15<De/<0.85 (1).

In accordance with some embodiments, a stereoscopic imaging apparatus includes a tubular housing configured to be inserted into a confined space and including a bore there through. The apparatus also includes first and second image sensors adjacently mounted on a common sensor circuit substrate sized to be received within the bore, each image sensor including light sensitive elements on a face oriented to capture respective images of an object field from different perspective viewpoints for generating 3D image data. The apparatus includes processing circuit substrates each including processing circuitry for processing signals from the image sensors and sized so as to correspond to size of the sensor circuit substrate. The circuit substrates are connected via flexible interconnects carrying signals between the processing circuitry and facilitating folding of the circuit substrates in back-to-back configuration such that each successive circuit substrate is stacked axially behind preceding circuit substrate within the bore.

An endoscope having an outer shaft member with a distal end forming a distal end of the endoscope and an optics member with a distal end. The optics member is located inside the outer shaft member. The optics member defines a viewing direction of the endoscope, the viewing direction being tilted relative to a longitudinal axis of the outer shaft member. The endoscope further has optical fibers comprising an optically transparent material and provided and conditioned for the transport of illumination light to the distal end of the endoscope. The endoscope further has a segment located between an outer surface region of the distal end of the optics member and an inner surface region of the distal end of the outer shaft member. The orientation of distal ends of the optical fibers is defined by the segment.

The stereoscopic imaging optical system 1 includes, in order from an object side thereof to an image plane side thereof, a front group Gf including a first front group Gf1 with a center axis C1 thereof as center and a second front group Gf2 with a center axis C2 thereof arranged parallel with the center axis of the first front group as center, a front deflection group Gfd located on an image plane side of at least one of the first front group Gf1 and the second front group, and a rear group Gb that is located on the image plane side of the front group Gf and the front deflection group Gfd and has a single center axis.