Endoscope device camera polarized light optical system, camera and endoscope device

Abstract

The invention mainly discloses a polarized light optical system for a camera of an endoscope device. The polarized light optical system comprises an optical adapter and an optical splitter which are sequentially arranged from the object side to the image side in the axial direction. The optical splitter has the optical characteristics of dividing the wavelength of light into three wave bands of R, G and B and a special light wave band of lambda-700nm for selection, and lambda is an arbitrary value in a range of 600nm-670nm; light waves of one wave band are transmitted, and light waves of the other three wave bands are reflected at the same time; the common white light image and the polarized light image in the operation can be obtained at the same time, and the common white light image and the polarized light image are complementary to each other. Under the condition that the environment is blurred in the operation, the polarized light imaging can provide clearer images, and the functions of blood penetration, bone residue penetration and the like are achieved, so that the operation view in the operation can be kept clear continuously, and the safety and effectiveness of the operation are greatly improved.

Description

technical field [0001] The invention relates to the technical field of endoscopes, in particular to an endoscope device. Background technique [0002] Medical endoscope is a medical electronic optical instrument that can be inserted into the cavity of human body and organs for direct observation, diagnosis and treatment. It uses a very small optical lens to image the object in the cavity to be observed through a tiny objective lens. The system performs optical imaging, then sends the optical imaging to the image processing host, and finally outputs the image-processed observation image on the display screen for observation and diagnosis by doctors. [0003] Please refer to figure 1 As shown, the current endoscope device as a whole includes a light source, an endoscope, a camera and a host. Among them, the optical system of the camera generally includes an optical adapter lens, which is divided into a fixed focal length adapter (ie: optical fixed focus adapter) and a variab...

AI Technical Summary

Problems solved by technology

Scattered light will affect the imaging clarity, cause the target to be blurred, and even cause the target to be undetectable

In clinical operations using endoscopic devices (such as orthopedic surgery, urological surgery, gynecological surgery, etc.), under the normal saline medium, the operation cavity is filled with normal saline, blood, bone residue, soft tissue residue, stone particles, etc. These substances constitute a non-uniform medium, so the reflected light of such medium will be scattered, thereby affecting the imaging clarity of the endoscope device. In this case, the camera optical system used for the endoscope device in the prior art, Unable to solve the aforementioned problems, resulting in blurred surgical field of view, affecting the safety and effectiveness of surgery

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