A Disposable Hard Electronic Endoscope

Abstract

The invention discloses a disposable hard electronic endoscope which comprises a handle and a hard working sheath, wherein a four-way joint is fixed in the handle; a joint hole is formed in each of the front and rear ends of the four-way joint; the rear end of the hard working sheath is fixed in the joint hole in the front end of the four-way joint; a probe guide seat is fixed at the rear end of the handle; the probe guide seat, the four-way joint and the hard working sheath are coaxial; and a reciprocating motion sealing seat which is coaxial with the four-way joint, is used for guiding an ultrasonic probe into an inner cavity of the four-way joint and is in close fit with the surface of the ultrasonic probe is fixed in the joint hole in the rear end of the four-way joint in a close fit manner. The endoscope is simple in structure and convenient to use; a large ring of the reciprocating motion sealing seat sleeves a mechanical hole of the four-way joint to prevent water pumped from a water inlet hole of the four-way joint from flowing out from the mechanical hole; the reciprocating motion sealing seat accurately guides the ultrasonic probe into the hard sheath, so that the space part for accommodating the probe in the hard sheath can be made small as much as possible; and therefore, the inner diameter of the hard sheath is decreased, and damage of a puncture hole to organs in a body is reduced.

Description

technical field [0001] The invention relates to the technical field of endoscopes, in particular to a disposable rigid electronic endoscope. Background technique [0002] Endoscope is a detection instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software, and is widely used in medical treatment. It can enter the body through small incisions or natural orifices to see lesions that cannot be displayed by X-rays, and can cooperate with surgical instruments to perform visual surgery in the body. Clinical internal examination and visual surgical treatment require endoscopes with clear images to help doctors improve the accuracy of diagnosis, so electronic endoscopes are usually used. When treating diseases such as kidney stones, the working sheath of the endoscope needs to vibrate to strike the stones while observing the images in the body. At present, the success rate of percutaneous nephroscopic surgery (PCNL) ...

AI Technical Summary

Problems solved by technology

When treating diseases such as kidney stones, the working sheath of the endoscope needs to vibrate to hit the stones while observing the images in the body. At present, the success rate of percutaneous nephroscopic surgery (PCNL) for the treatment of kidney stones is high, and the stone clearance rate is high. , but usually the endoscope working sheath used is above 18F, and the large puncture hole will cause great damage to the kidneys. Therefore, how to design an electronic endoscope structure with a small outer diameter working sheath and meet the treatment needs is currently a challenge. The problem

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