A focus control device includes a processor including hardware, the processor being configured to implement: an area setting process that sets a plurality of areas, each including a plurality of pixels, on a captured image acquired by an imaging section, an evaluation value calculation process that calculates an AF (Autofocus) evaluation value for each of the plurality of set areas, a bright spot influence rate calculation process that calculates a bright spot influence rate for each of the plurality of set areas, based on whether or not the area includes a high luminance portion determined to have a size equal to or larger than a given size, and focus control based on the AF evaluation value and the bright spot influence rate.

An intraoral scanner comprises a light source for generating light, an optics system for focusing the light, and a light-guiding part having an entrance and an exit. The light source, the optics system and the light-guiding part are arranged such that the light passes through the optics system, enters the light-guiding part via the entrance, and exits the light-guiding part via the exit. The optics system is configured such that, upon entering the light-guiding part, an outermost chief ray of the light with respect to an optical axis of the optics system is divergent to the optical axis and an outermost marginal ray of the light with respect to the optical axis is parallel or divergent to the optical axis.

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.

An image processor selects, when a processing start operation for starting image storage processing is performed, a first image and a second image that satisfy a preset selection condition from a plurality of the first images and a plurality of the second images acquired in a target period including a time when the processing start operation is performed, for the image storage processing. A light source processor performs control to switch, out of a first illumination light beam and a second illumination light beam, one being emitted to the other to emit the other, during a target period.

The invention relates to a medical device (1) for the observation of a partly fluorescent object (2) such as tissue (3) comprising at least one fluorophore (4). The fluorophore (4) absorbs light in at least one spectral excitation waveband (46) and emits fluorescent light in at least one spectral emission waveband (54). In order to be able to observe also non-fluorescent regions in the tissue (3) without complicated filter arrangement, the medical device (1) according to the invention comprises at least one filter system (16, 38) which comprises, in a filter plane (18), comprises a filter area (20) and a transmission window (22). The filter area (20) comprises a band pass filter (24) having at least one passband (44) comprising the at least one excitation waveband. The transmission window has a passband (48) which is wider than the passband (44) of the filter area (20). In particular, a filter layer (64) of the filter area (20) may be missing in the transmission window (20).

A device for controlling an endoscope to rotate, relating to the technical field of non-destructive inspection, comprises a display device, a control assembly, a coiler and a lens, and further comprises a drive assembly disposed at a joint of the coiler and the lens, and electrically connected to the control assembly to allow users to adjust the angle of the lens by controlling the drive assembly. The drive assembly comprises: a low-speed drive element disposed at an end, away from the display device, of the coiler, and a rotating lever connected to an output shaft of the low-speed drive element. The lens is disposed on a side, away from the low-speed drive element, of the rotating lever. The low-speed drive element is a low-speed motor. The lens comprises a lateral lens and a front lens. The device for controlling an endoscope to rotate has the following advantages: the lens can be rotated to a suitable inspection position without manual operation or other auxiliary location devices, the display angle can be adjusted, using is convenient, and operation is easy.

Various embodiments comprise endoscopes (e.g., arthroscopes) for viewing inside a cavity of a body. The endoscopes may include a tip, at least one solid-state emitter such as light emitting diode (LED), located at the distal end of the endoscope, an elongated member. The elongated member may include a plurality of lenses for transmitting light received from the tip member and an elongated conducting member for providing electric power to the solid-state emitter. The elongated conducting member may include conducting lines embedded in a flexible elongated insulating membrane. The tip member and the elongated member may be configured to dissipate heat generated by the solid-state emitter.

A lighting source and an endoscope are provided, and the lighting source is used for the endoscope. The lighting source includes a light-emitting diode (LED) chip and a substrate; the LED chip is arranged on and fixedly connected to the substrate, and is packaged into the lighting source; and the lighting source is circular ring-shaped or arc-shaped. The endoscope includes an endoscope tube; an objective lens, located at one end of the endoscope and at least partially located inside the endoscope tube; and the lighting source.

An imaging module includes: a support substrate that includes a first surface, a second surface on an opposite side of the first surface, and a first mounting terminal disposed on the first surface; a planar light emitter including a light-emitting face, and a light-emitter terminal disposed on the first surface of the support substrate and connected to the first mounting terminal; and a solid-state image sensing device disposed adjacent to the planar light emitter and that includes a light-incident surface that has a quadrangular shape in plan view and that captures an image of an imaging object that is irradiated with light emitted from the light-emitting face.

An illuminator including a receptacle for connecting a light cable to an illuminator. The receptacle includes a clamp assembly having a plurality of clamping jaws that are moveable from an open configuration in which a connecter of the light cable can be positioned between the clamping jaws for receiving light traveling in a light pathway in the illuminator to a closed configuration in which the clamping jaws completely block the light pathway, and a clutch that is movable between an engaged position for holding the clamping jaws in the open configuration and a disengaged position for allowing the clamping jaws to move to a gripped configuration and to the closed configuration, the clutch can be pushed by the connector when the connector is positioned between the clamping jaws to move the clutch out of the engaged position so that the clamp assembly moves the clamping jaws to the gripped configuration.