An endoscope processor includes: an acquisition circuit configured to acquire display size information on a display that is connected to the endoscope processor; a display condition setting circuit configured to set, according to the acquired display size information and properties of an imager of an endoscope that is connected to the endoscope processor, a monitor shift value representing an amount of shift between a first image and a second image corresponding to first image data and second image data, respectively, the first image data and the second image data each having parallax with respect to a same subject; and an image processor configured to shift the first image and the second image to generate display image data to be output to the display using the set monitor shift value.

An image pickup apparatus for endoscope includes: an optical unit having an incident surface and an emitting surface; an image pickup unit adhering to the emitting surface; an interposer where the image pickup unit is bonded to a first electrode of a first main surface; and an electric cable bonded to the interposer. The image pickup unit is smaller than the optical unit and the interposer in an outer size in a direction orthogonal to an optical axis. The image pickup apparatus for endoscope further includes a heat conductive resin with which a portion among the emitting surface, the first main surface, and a side surface of the image pickup unit is filled. The first electrode extends to a position where the first electrode is brought into contact with the heat conductive resin.

A tethered imaging camera encapsulated in a shell lens element of such camera enables viewing from inside and imaging of a biological organ in/from a variety of directions. A portion of camera's optical system together with light source(s) and optical detector mutually cooperated by housing structure inside the shell are moveable/re-orientable within the shell to vary a desired view of the object space without interruption of imaging process. A tether carries electrical but not optical signals to and from the camera and controllable traction cords to move the camera, and a hand-control unit and/or electronic circuitry configured to operate the camera and power its movements. Method(s) of using optical, optoelectronic, and optoelectromechanical sub-systems of the camera.

An imaging probe comprises a camera or endoscope with an external detector array, in which the probe is sized and shaped for surgical placement in an eye to image the eye from an interior of the eye during treatment. The imaging probe and a treatment probe can be coupled together with a fastener or contained within a housing. The imaging probe and the treatment probe can be sized and shaped to enter the eye through an incision in the cornea and image one or more of the ciliary body band or the scleral spur. The treatment probe may comprise a treatment optical fiber or a surgical placement device to deliver an implant. A processor coupled to the detector can be configured with instructions to identify a location of one or more of the ciliary body band, the scleral spur, Schwalbe's line, or Schlemm's canal from the image.

Improved fluoresced imaging (FI) endoscope devices and systems are provided to enhance use of endoscopes with FI and visible light capabilities. An endoscope device is provided for endoscopy imaging in a white light and a fluoresced light mode. A relay system includes an opposing pair of rod lens assemblies positioned symmetrically with respect to a central airspace. The rod lens assemblies include a meniscus lens positioned immediately adjacent to a central airspace and with the convex surface facing the airspace, a first lens having positive power with a convex face positioned adjacent to the inner face of the meniscus lens, a rod lens adjacent to the first lens having positive power and an outer optical manipulating structure selected from various designs providing chromatic aberration correction.

The present specification is directed towards endoscopes, such as colonoscopes, that provide a broader field of view and allow extended access of surgical tools and also enable efficient packing of all necessary elements in the tip section, while maintaining their functionality. Also described are methods and systems for capturing and displaying still and video images using an endoscope corresponding to a left-side looking, a front-looking and a right-side looking viewing element of an endoscopic tip generated in a native aspect ratio.

There is provided an endoscope in which the generation of heat at a front-end portion is reduced.

An endoscope includes an imaging system; and, an illumination system, wherein the illumination system includes a light guide and at least one illumination lens, and the imaging system includes an objective lens unit and an image pickup element, and when a direction along a long side of the image pickup element is let to be a first direction, and a direction along a short side of the image pickup element is let to be a second direction, the illumination system is disposed at a position shifted in the second direction with respect to the imaging system, and the endoscope satisfies the following conditional expressions (1), (2) and (3)

1.35<A   (1)

1<L.sub.H/L.sub.V   (2)

1.5<(r.sub.V−L.sub.V)/(r.sub.H−L.sub.H)≦3.17   (3) where, A denotes a value calculated by the following expression when an aspect ratio long side:short side of an area of the image pickup element corresponding to a display image range is let to be H:V

A=H/V, L.sub.H denotes a dimension corresponding to the first direction of an end surface on an illumination lens side of the light guide, L.sub.V denotes a dimension corresponding to the second direction of the end surface on the illumination lens side of the light guide, r.sub.H denotes an outer-diameter dimension corresponding to the first direction of the illumination lens, and r.sub.V denotes an outer-diameter dimension corresponding to the second direction of the illumination lens.

An objective optical system includes a predetermined lens disposed near the pupil of the objective optical system. The predetermined lens has a first refractive region including an optical axis and a second refractive region located outside the first refractive region. The refractive power of the second refractive region is greater than the refractive power of the first refractive region. A light beam reaching an image plane includes a first light beam and a second light beam. The first light beam is a light beam transmitted through the first refractive region and includes at least one of a beam of white light and a beam of near-infrared light. The second light beam is a light beam transmitted through the second refractive region and includes only the beam of near-infrared light. A predetermined conditional expression (1) is satisfied.

An endoscope having an insertion portion to be inserted into an object to be observed, includes: a substantially tubular holder member mounted to the insertion portion and having an open front end portion including a shoulder surface surrounded by an axial wall; a lens barrel holding an objective lens system and received in the holder member; and a light-transmissive closure member fitted into a front opening defined by the axial wall, and fixed to the front opening by a bonding agent interposed between an outer circumferential surface of the closure member and an opposing inner circumferential surface of the open front end portion of the holder member, wherein a space axially adjoining the shoulder surface is defined between an outer circumferential surface of a front end portion of the lens barrel and an opposing inner circumferential surface of the holder member.

An optical assembly for an endoscope, the optical assembly including: an objective tube; and at least one optical element held in the objective tube; wherein the objective tube comprises at least one region acting as a clamping mount for the at least one optical element, and the at least one region of the objective tube acting as the clamping mount is at least sectionally formed of a shape-memory material.