A spray-type drug delivery device for obstetrics and gynecology

By designing a jet-type medication application device, the problems of poor medication application effect and vaginal wall scratching caused by vaginal medication applicators were solved, achieving the effect of preventing scratches and precise medication application.

CN224269908UActive Publication Date: 2026-05-26CHONGQING HONGREN FIRST HOSPITAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING HONGREN FIRST HOSPITAL CO LTD
Filing Date
2025-04-02
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing vaginal medication devices are not very effective and may scratch the vaginal wall.

Method used

A jet-type medication application device for obstetrics and gynecology has been designed, including a disposable jet tube, an expansion kit, and a functional tailstock. The jet tube has multiple jet holes at the front end and contains a silicone sheet, combined with a liquid pump and a camera. The expansion kit includes a ring-shaped airbag and a hollowed-out bracket to prevent scratches and achieve precise medication application.

Benefits of technology

By preventing vaginal wall abrasions, precise medication application was achieved, improving treatment outcomes.

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Abstract

This utility model discloses a spray-type medication application device for obstetrics and gynecology, comprising: a disposable spray tube with a silicone sheet fixedly installed inside, the silicone sheet being located below the spray nozzle; a functional tailstock including a cylindrical tube, the front end of which has a forward-extending extension, a liquid pump installed inside the cylindrical tube, the outlet of which is connected to a rigid tube, the rigid tube passing through the extension and inserted into the through-hole of the silicone sheet inside the disposable spray tube and extending forward; and an expansion kit fitted onto the disposable spray tube, comprising an annular airbag, a silicone cover, and a hollow support connected sequentially from front to back, the silicone cover being a funnel-shaped structure narrower at the front and wider at the back, with a camera and an LED cold light source respectively installed at its front end. This spray-type medication application device for obstetrics and gynecology, by incorporating a vertically movable expansion kit on the disposable spray tube, can prevent scratching of the patient's vaginal wall during medication application, and, combined with the liquid pump and camera, can achieve precise medication application and better treatment results.
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