Combined type cervical dilator

Abstract

The invention provides a combined type cervical dilator which structurally comprises a hand-held tube, a dilation balloon and a guide bulb, wherein the hand-held tube, the dilation balloon and the guide bulb are mutually spliced into a shape like a string of candied haws; the upper end of the hand-held tube, the upper end of the dilation balloon and the upper end of the guide bulb are respectively provided with a constricted tube; the constricted tube at the upper end of the guide bulb is spliced with the lower end of the dilation balloon, and the constricted tube at the upper end of the dilation balloon is spliced with the lower end of the hand-held tube; the dilation balloon is composed of a rigid tube, an annular capsule and an inflation tube; the upper end of the rigid tube is provided with the constricted tube; the annular capsule is attached to the outer circle of the rigid tube; the middle of the rigid tube is provided with an air admission nozzle; one end of the air admission nozzle is connected with the inflation tube, and the other end is communicated with the cavity of the annular capsule; the inflation tube is extended outwards through the hand-held tube; and the outerwall of the hand-held tube is provided with graduation marks.

Description

technical field [0001] The invention relates to a medical device, in particular to a combined cervical dilator. Background technique [0002] The balloon dilators of the prior art are widely used clinically for dilating the esophagus, dilating the nasal cavity, dilating the anus or the rectum, dilating the vagina or dilating the cervix, etc. , can not be flexibly applied to various clinical operations, such as some operations need to use a single capsule, some need to use double capsules, and some also need three capsules, so the versatility is poor. Contents of the invention [0003] The purpose of the present invention is to provide a convenient and flexible combined cervical dilator. [0004] The object of the present invention is achieved in the following manner, comprising a hand-held tube, an expansion balloon and a guide ball head, the hand-held tube, the expansion balloon and the guide ball head are plugged together to form a candied haws shape, wherein, the upper...

AI Technical Summary

Problems solved by technology

[0002] The balloon dilators of the prior art are widely used clinically for dilating the esophagus, dilating the nasal cavity, dilating the anus or the rectum, dilating the vagina or dilating the cervix, etc. , cannot be flexibly applied to various clinical operations, for example, some operations require the use of a single capsule, some require the use of double capsules, and some require the use of three capsules, so the versatility is poor

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