Disposable dilator for gynecologic examination

Abstract

The invention relates to the technical field of medical instruments, in particular to a disposable dilator for gynecologic examination. A first pull rod is movably connected to the inner wall of an inner gear ring; an annular plate is movably connected to one end of the first pull rod; a second pull rod is movably connected to the surface, opposite to the first pull rod, of the outer surface of the annular plate; a fixed annular plate is fixedly connected to the other end of a short plate; a third pull rod is fixedly connected to the bottom end of the annular plate in a manner of movably penetrating through the lower portion of the fixed annular plate; a clamping groove is formed in the short plate; a movable shaft is movably connected to the interior of the clamping groove; and a polygonal groove is formed in the position, located on the rear side of the short plate, of the outer wall of an inner gear ring. Under the support of the second pull rod, the first pull rod drives the annular plate and the third pull rod at the bottom of the annular plate to move towards the outer side of the fixed annular plate, so that expansion wings expand outwards to open the vagina; and due to thefact that the expansion wings are six smooth arc-shaped structures, the pain of a patient is relieved during vagina expansion.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a disposable dilator for gynecological examination. Background technique [0002] When women undergo gynecological examination or surgical treatment, a commonly used instrument is a vaginal dilator, which is a vaginal dilator. The product requires high transparency and no burrs. It is used in cervical conization, cervical LEEP conization, During cervical biopsy and other operations that require transvaginal operations, it is necessary to use a vaginal dilator to fully dilate the vagina so that doctors can perform various medical operations on the cervix or uterine cavity. [0003] However, the existing vaginal dilator is a very thin duckbill clip, which is divided into upper and lower expansion wings, which can only expand the vagina up and down when opened, and the expansion wings are flat and have a small radian, not only the expansion effect is not good , and it will ...

AI Technical Summary

Problems solved by technology

[0003] However, the existing vaginal dilator is a very thin duckbill clip, which is divided into upper and lower expansion wings, which can only expand the vagina up and down when opened, and the expansion wings are flat and have a small radian, not only the expansion effect is not good , and it will bring discomfort to the patient, which will also hinder the development of medical operations. Secondly, the observation port of the vaginal dilator is always open. However, it is brought into the patient's vagina, causing the patient's condition to worsen. The conventional product can return to its original position after use. If it is reused, it will cause the patient's infectious disease or cross-infection. Therefore, those skilled in the art provide a Disposable dilator for gynecological examination to solve the problems raised in the background art above

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