Computer-assisted surgical systems and methods provide intraoperative playback of and interaction with recorded video images and/or a 3D model while displaying current video images. The methods and related surgical systems involve capturing, by a two-dimensional (2D) or three-dimensional (3D) video camera, current video images and recording the captured video images. A user interface displays the current video images and the recorded video images and/or the 3D model and enables a user to interact with either or both of them.

The present technology relates to a medical observation system, a method, and a medical observation device, which are capable of maintaining accuracy of three-dimensional information, even in a case where a change occurs in an optical system.

A medical observation system acquires operative field data acquired by a medical observation device, detects a change in an optical system of the medical observation device, estimates a parameter representing a state of the optical system after a change occurs in the optical system in a case where the change in the optical system is detected, and sets a generation condition of three-dimensional information based on the operative field data by using an estimation result. The present technology can be applied to a surgery assisting system.

Imaging components and systems are described herein. An example imaging component can include: a housing; at least one excitation optical element at least partially disposed within the housing; at least one laser-guiding element at least partially disposed within the housing, the at least one laser-guiding element being configured to deliver excitation pulses to a target location through the at least one excitation optical element via an aperture; and a signal collecting element disposed adjacent to the at least one excitation optical element.

Disclosed is a visual imaging device based on PS-OCT for early demineralization and caries of dental hard tissues, comprising a laser light source for emitting a laser light, a coupler for receiving and dividing the laser light emitted by the laser light source into a reference laser light and a detection laser light; wherein the reference laser light backtracking to the coupler and the detection laser light backtracking to the coupler are coupled and then passed through a transmission grating and a convex lens to input as an optical signal into a linear CCD detector for converting the optical signal into an electrical signal which is then input to a computer control system and collected by a built-in capture card; and the computer is configured to perform a three-dimensional reconstruction of an image and perform two-dimensional cross-section image analysis; and the computer control system is connected to the scanning galvanometer to control a vibration of the scanning galvanometer. The device of the present application can be used for performing PS-OCT imaging detection of the dental hard tissue surface in the oral cavity of a subject. The computer control system automatically performs two-dimensional cross-section imaging and three-dimensional reconstruction imaging of the image, thereby completing a three-dimensional quantitative evaluation. The present application provides a new method for clinically detecting early demineralization of dental hard tissue with high resolution.

An electronic endoscope and a surgical robot. The electronic endoscope comprises an image capturing unit. The image capturing unit comprises: a housing; a lens base, mounted within the housing, the lens base comprising a base body and a thermally-conductive mesa structure protrudingly provided on the base body; and a light source component, comprising a light source provided on the thermally-conductive mesa structure, the thermally-conductive mesa structure being used for conducting the heat generated by the light source. The design of the electronic endoscope provides the light source of the electronic endoscope with excellent cooling, thus mitigating the problem of light attenuation.

Systems and methods for improving endoscopy procedures are described that provide not only a conventional real time image of the view obtained by an endoscope, but in addition, a near real time 3D model and/or a 2D flattened image of an interior surface of an organ, which model and image may be processed using AI software to highlight potential tissue abnormalities for closer examination and/or biopsy during the procedure. A navigation module interacts with other system outputs to further assist the endoscopist with navigational indicia, e.g., landmarks and/or directional arrows, that enhance the endoscopists' spatial orientation, and/or may provide navigational guidance to the endoscopist to assist manipulation of the endoscope.

Systems and methods of imaging include projecting infrared (IR) light from the endoscope toward the at least one anatomical feature (e.g., the exterior of a liver or lung), capturing the IR light, projecting optical light from the endoscope toward a similar portion of the anatomical feature, and capturing the optical light. Once the IR light and the optical light are captured, both are associated with one another to generate an intra-operative 3D image. This projection and capture of IR and optical light may occur at discrete times during the imaging process, or simultaneously.

An optical device includes a light source unit and a body unit. The light source unit includes a first light source configured to emit first irradiation light, a second light source configured to emit second irradiation light, a light source control unit, and a light collecting unit. The body unit includes an insertion section. The insertion section includes a light guide member, an optical system, an optical filter, a first imager configured to output image information of a subject, and a second imager configured to output distance information from the optical system to the subject. In the second irradiation light, light intensity is temporally modulated, and the first irradiation light and the second irradiation light are emanated from the insertion section. First measurement light includes light in the same wavelength band as a part of the wavelength band of the first irradiation light, and second measurement light includes light in the same wavelength band as the wavelength band of the second irradiation light, and error information included in the distance information is reduced.

A three-dimensional display device configured to display a main image and an additional image on a screen includes a display region candidate decider that decides one candidate region from a plurality of region candidates for the additional image to be superimposed on the main image on the screen, a depth suitability determiner that determines whether a difference between a depth of the main image displayed at a boundary region and a depth of the additional image is within a predetermined tolerance range, and an image composer that, when the difference in depth between the depth of the main image displayed at the boundary region and the depth of the additional image is within the tolerance range, superimposes the additional image upon the main image at the candidate region, thereby composing a composite image of the main image and the additional image, and displays the composite image on the screen.

An imaging condition set in a first region of a three-dimensional model of a subject and an imaging condition set in a second region of the three-dimensional model are different from each other. A processor of an observation device determines whether or not the imaging condition that has been set in the first region or the second region including a position on the three-dimensional model is satisfied. The position is identified on the basis of a position of an imaging device and a posture of the imaging device. The processor displays observation information on a display on the basis of a result of determination. The observation information represents whether or not the first region or the second region including the position on the three-dimensional model has been observed.