An endoscope includes an optical laminate and an image sensor. The optical laminate includes a first optical member that is a glass lens where an optical window is formed in a planar substrate, including a recessed portion or a protruding portion around the optical window, and a second optical member having a flat surface facing the substrate of the first optical member, and including a protrusion made of resin for being fitted with the recessed portion or the protruding portion. The flat surface of the second optical member is a surface of a glass substrate on the first optical member side. A resin lens of the second optical member is arranged on a surface on an opposite side of the flat surface. A flat portion excluding the optical window and the recessed portion or the protruding portion is in contact with the flat surface of the second optical member.

An endoscope includes, in a distal end frame constituting a distal end portion, an objective optical unit including a voice coil motor that moves a moving lens frame forward and backward in a direction of an optical axis by using a plurality of magnets arranged on a periphery of the moving lens frame, and a plurality of internal components made of magnetic material and arranged around the objective optical unit. At least one of the internal components is arranged at a position where at least a part thereof intersects one of straight lines each connecting an extreme point of one of valleys of a specific isomagnetic line of magnetic fields formed by the magnets and one of two inflection points of the specific isomagnetic line, the two inflection points being located, with the one of the valleys positioned between the two inflection points.

An endoscope comprising: an objective optical system; an imager having a light receiving plane that faces an emitting plane of the objective optical system; a semiconductor device provided so as to face a plane, of the imager, opposite to the light receiving plane; and a conductive member that covers the objective optical system, the imager, and the semiconductor device, the conductive member having an external dimension that is identical between a side of the objective optical system and a side of the imager. A distance from an end portion of the semiconductor device in a direction orthogonal to an optical axis of the objective optical system to an inner wall of the conductive member is shorter than a distance from an end portion of the imager in the direction orthogonal to the optical axis of the objective optical system to the inner wall of the conductive member.

A distal end portion includes: an imager that is held by a metal lens frame; a distal end frame that is made of an electric insulating material and includes a through hole; an electrically conductive exterior portion; a first electrical conductor pattern that has a first end and a second end, the first end being in contact with the lens frame, the second end being connected to a first terminal that is in contact with the exterior portion; and a second electrical conductor pattern that is formed independently of the first electrical conductor pattern, and has a first end and a second end, the first end of the second electrical conductor pattern being in contact with the lens frame, the second end of the second electrical conductor pattern being connected to a second terminal that is not in contact with the exterior portion.

Provided is an ultrasonic endoscope with which it is possible to prevent damage to an imaging element even in a case where voltage from an external power supply is directly applied. A distal end portion main body (43) of an ultrasonic endoscope (10) is formed of a resin material, the distal end portion main body (43) includes an illumination system (53) that includes an illumination metal base (156), a first fixing member (170) that fixes the illumination metal base (156) to the distal end portion main body (43), a first insert hole (172) into which the first fixing member (170) is inserted, an observation system (55) that includes a lens barrel (160), a second fixing member (174) that fixes the lens barrel (160) to the distal end portion main body (43), a second insert hole (176) into which the second fixing member (174) is inserted, and an electrical connection member (178) that electrically connects the illumination metal base (156) and the lens barrel (160), and at least one of the illumination metal base (156), the lens barrel (160), or the electrical connection member (178) is connected to a ground.

An attachment assembly for a camera arm of a video laryngoscope including a spatula and a protective cap, wherein the spatula has a base body with a handle end and a patient end opposite the handle end as well as a channel formed in the base body for receiving the camera arm, wherein the channel is open both towards the handle end and towards the patient end, wherein the protective cap is a component part separate from the spatula, is insertable into the channel and includes an at least partially transparent protective section, wherein the protective cap is designed such that a tip of the camera arm of the video laryngoscope can be engaged in the protective section and to be covered by the protective section. Moreover, a video laryngoscope system is shown.

A tip section of a multi-camera endoscope includes a front-pointing camera on a planar surface of a distal end of the tip section and two side-pointing cameras positioned on a cylindrical surface in proximity to the planar surface such that the side field of view provided by the two side-pointing cameras partially overlaps with the front field of view provided by the front-pointing camera. The tip section further includes a working channel configured for insertion of a surgical tool; and a pathway fluid injector for inflating and/or cleaning a body cavity into which the endoscope is inserted.

The present invention may be embodied as a retrievable device capable of sensing one or more properties of an individual (e.g., chemical or physical parameters). In use, the retrievable device can continuously determine the chemical concentrations within the vaginal tract. An embodiment of the retrievable device comprises a first housing having a light source and an image capture device, a second housing removably connected to the lust housing and having a sensor, and a fitting for retrieving the device. The sensor may be an analyte sensor configured to obtain at least one measurement of a concentration of an analyte in a fluid. The analyte sensor comprises a sensor substance in a sol-gel material so the sensor substance reversibly interacts with an analyte of interest. In addition, the retrievable device can be configured to determine different physical parameters and re-implanted.

An optical unit includes a transparent first substrate, a transparent second substrate, a transparent first projection forming a part of an optical path, and a first aperture configured by black resin filled in a periphery of the first projection between the first substrate and the second substrate.

Offset illumination using multiple emitters in a fluorescence imaging system is described. A system includes an emitter for emitting pulses of electromagnetic radiation and an image sensor comprising a pixel array for sensing reflected electromagnetic radiation. The emitter comprises a first emitter and a second emitter for emitting different wavelengths of electromagnetic radiation. The system is such that at least a portion of the pulses of electromagnetic radiation emitted by the emitter comprises one or more of a hyperspectral emission, a fluorescence emission, and/or a laser mapping pattern.