Directional liquid drug delivery device

By designing a directional liquid drug delivery device, a combination of main and auxiliary electrode components is used to achieve directional drug delivery, which solves the problem of low safety in direct current drug iontophoresis therapy, improves local drug absorption efficiency and safety, and is applicable to various types of drug solutions.

CN224370438UActive Publication Date: 2026-06-19SHENZHEN RIPSON STEM CELL REGENERATIVE MEDICINE RES INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN RIPSON STEM CELL REGENERATIVE MEDICINE RES INST
Filing Date
2025-03-18
Publication Date
2026-06-19

AI Technical Summary

⚠Technical Problem

Existing direct current drug iontophoresis therapy has a relatively low safety profile during local drug absorption, and the production of acid and alkali byproducts due to electrolysis can easily burn the skin.

⚗Method used

A directional liquid drug delivery device was designed, including a controller and a drug delivery component. It employs a main electrode component and a secondary electrode component, and uses a housing made of waterproof insulating material and a replaceable semi-permeable membrane and liner to achieve directional drug delivery. It is also equipped with current direction switching and intensity adjustment functions to avoid the generation of electrolysis byproducts.

🎯Benefits of technology

It improves local drug absorption efficiency, enhances safety, avoids skin burns caused by electrolysis, is suitable for different types of drug solutions, and has good flexibility and repeatability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a directional liquid medicine guide device includes controller and medicine liquid guide component, and the controller includes box body, sets up the main control circuit board in the box body inside and two current output interfaces of electric connection in the main control circuit board, and medicine liquid guide component includes main electrode part and auxiliary electrode part, and the main electrode part includes the main casing with medicine liquid storage compartment and electrode storage compartment, and the main electrode board is placed in the electrode storage compartment, and the semi-permeable membrane and the gasket, and the main casing is set up with medicine liquid storage compartment the medicine liquid permeation hole of intercommunication and is used for the medicine liquid mouth of injection or drawing out medicine liquid, and the auxiliary electrode part includes the auxiliary casing and sets up the auxiliary electrode board in the auxiliary casing, and the main casing and auxiliary casing are connected through the bandage and enclose the wearing space, and the main electrode board and auxiliary electrode board are connected with two current output interfaces through the power cord, and this directional liquid medicine guide device can satisfy the local liquid medicine delivery requirement, and the absorption rate of medicine is improved obviously, and the equipment use has the flexibility, the repeatability and the security.
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