G02B23/2461

MEDICAL OBSERVATION SYSTEM, CONTROL DEVICE, AND CONTROL METHOD

Provided are a medical observation system, a control device, and a control method that are configured to prevent flickering of a portion to be observed of an object to be observed and reduce the size of the device. The medical observation system 1 includes an image sensor 212, a second control unit 94 that causes a light source device 3 to simultaneously emit second visible light and excitation light, and an image processing unit 91 that generates a fluorescence image based on a first pixel value that is output from a pixel in which a first filter is arranged and that is contained in image data and a background image based on a second pixel value that is output from a pixel in which a second filter is arranged.

Intraoral scanner with fixed focal position and/or motion tracking
11629954 · 2023-04-18 · ·

An apparatus for measuring a surface topography of a patient's teeth may include an optical probe, a light source configured to generate incident light, and focusing optics configured to focus one or more wavelengths of the incident light to a fixed focal position external to the optical probe, wherein the fixed focal position is fixed relative to the optical probe. The apparatus may further include a light sensor configured to measure a characteristic of returned light generated by illuminating the patient's teeth with the incident light and a processing unit operable to determine the surface topography of the patient's teeth based on the measured characteristic of the returned light.

Sensor Device and Inspection Camera having such a Sensor Device
20230164418 · 2023-05-25 ·

A sensor device, in particular a sensor head, for an inspection camera, in particular an endoscope, has at least one illumination unit for illuminating an examination object. The sensor device further has at least one camera unit for detecting the examination object. In addition, the sensor device has at least one housing unit in which the camera unit and the illumination unit are arranged. The housing unit is designed to taper along a longitudinal axis of the housing unit.

OPTICAL SYSTEMS FOR MULTI-SENSOR ENDOSCOPES
20230161147 · 2023-05-25 · ·

There is provided herein an optical system for a tip section of a multi-sensor endoscope, the system comprising: a front-pointing camera sensor; a front objective lens system; a side-pointing camera sensor; and a side objective lens system, wherein at least one of said front and side objective lens systems comprises a front and a rear sub-systems separated by a stop diaphragm, said front sub-system comprises, in order from the object side, a first front negative lens and a second front positive lens, said rear sub-system comprises, in order from the object side, a first rear positive lens, an achromatic sub-assembly comprising a second rear positive lens and a third rear negative lens, wherein the following condition is satisfied: f.sub.(first rear positive lens)≤1.8f, where f is the composite focal length of the total lens system and f.sub.(first rear positive lens) is the focal length of said first rear positive lens.

MEDICAL ENDOSCOPIC INSTRUMENT
20230112879 · 2023-04-13 ·

A medical endoscopic instrument includes a distal elongated insertion section (1) for minimally invasive insertion into a human or animal body, with at least one LED (5) arranged in a distal end section of the insertion section (1), and a lens system (19) arranged distally of the LED (5) with an optical axis (x). The lens system (19) includes a first lens (29) and a second lens (31) arranged distally of the first lens (29). The second lens (31) has a proximally extending sleeve extension (35). The sleeve extension (35) has a first reference surface for positioning the second lens (31) in relation to the insertion section (1) and a second reference surface (39) for positioning the first lens (29) in relation to the second lens (31).

Imaging element for a borescope
11467100 · 2022-10-11 · ·

A borescope for use within an unlit, closed conduit can include an elongated probe, an artificial light source illuminating the conduit, and a microlens array mounted to the probe. An imaging device can be in data communication with the microlens array.

Optical module and endoscope
11464392 · 2022-10-11 · ·

An optical module is configured being provided with: a first case fixed to an implementation surface of an implementation substrate to cover an LD and an LD driver; a first filler filled in the first case to seal the LD and the LD driver; a second case fixed to the implementation surface of the implementation substrate to cover the first case in a state of not adhering to the first case; a third case accommodating the implementation substrate and the second case inside; and a second filler filled in the third case to seal the implementation substrate and the second case.

Endoscope processor, display setting method, computer-readable recording medium, and endoscope system
11467392 · 2022-10-11 · ·

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.

ENDOSCOPIC FLUORESCENCE IMAGING
20220313072 · 2022-10-06 ·

Systems and methods are configured for combined fluorescence imaging and white light imaging of tissue such as during surgical endoscopic procedures. A chip-on-tip type endoscope can be equipped with both white light and blue light LEDs. A single camera or dual cameras are configured with backside illuminated CMOS image sensor(s) to receive and process the white light and fluorescence images. The light sources, image sensors and image processing circuitry are configured to synchronously emit light and record pixels for visible white light and fluorescence frames alternately. Global or quasi-global shuttering can be used on the image sensor(s). A modified color filter array and other filters can be provided to enhance fluorescence imaging capabilities. Insufflating gas clears debris from the camera field of view and aids in moving he cannula distally through a body passageway.

TIP COMPONENTS OF MULTI-CAMERA ENDOSCOPES
20230148837 · 2023-05-18 ·

Provided herein is a tip component of a multi camera endoscope, the tip component accommodates a plurality of cameras configured to jointly provide a field-of-view (FOV) of at least about 270 degrees and a plurality of front illumination modules; wherein the tip component includes a plurality of window elements of sapphire glass soldered using a noble-metal, within respective openings on the housing thereof, wherein each of the cameras and illumination modules is positioned behind a respective window element. Further provided are methods of manufacturing the tip component and methods of using the same.