An anorectal wound dressing

By designing a multi-layered anorectal wound dressing, using materials such as ultra-soft medical non-woven fabric, absorbent cotton, breathable PE film, and chitosan quaternary ammonium salt, the problem of insufficient water absorption and skin-friendliness of three-dimensional wounds in anorectal surgery has been solved, achieving rapid wound healing and improved comfort.

CN224540440UActive Publication Date: 2026-07-24SHUGUANG HOSPITAL AFFILIATED WITH SHANGHAI UNIV OF T C M
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHUGUANG HOSPITAL AFFILIATED WITH SHANGHAI UNIV OF T C M
Filing Date
2025-04-28
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing wound dressings cannot meet the high absorbency and skin-friendliness requirements of three-dimensional wounds in proctology. Traditional materials are prone to causing dampness and infection, affecting patient comfort and healing outcomes.

Method used

A dressing for anorectal wounds was designed, comprising an absorbent layer, a hydrogel skin-friendly layer, and a drug-supporting layer. It uses materials such as ultra-soft medical non-woven fabric, absorbent cotton, breathable PE film, memory foam, and chitosan quaternary ammonium salt to enhance absorbency and skin-friendliness, and is fixed by adhesive strips to prevent exudate from overflowing.

Benefits of technology

It significantly improves the absorbency and breathability of the wound, reduces the risk of moisture and infection, enhances patient comfort and healing speed, reduces nursing difficulty, and improves quality of life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to medical instrument technical field especially, it relates to an anus intestinal surface dressing, from below to top includes in proper order: absorption layer, hydrogel skin -friendly layer and medicine application support layer, wherein, absorption layer includes: super soft medical non -woven fabric layer, the water -absorbing cotton layer of fixedly arranged in the bottom of super soft medical non -woven fabric layer and the breathable PE membrane outer layer of fixedly arranged in the bottom of water -absorbing cotton layer, wherein, hydrogel skin -friendly layer is annular structure, fixedly arranged in the top of super soft medical non -woven fabric layer, and surrounds and sets up in the bottom of medicine application support layer, wherein, medicine application support layer is cylindrical, and medicine application support layer includes from inside to outside one side: memory sponge layer and non -woven fabric medicine application layer, and non -woven fabric medicine application layer is fixedly arranged in the top of super soft medical non -woven fabric layer, and non -woven fabric medicine application layer has medicine application, the utility model has excellent water absorption, skin -friendly and breathability, significantly reduces the risk of surface wet and infection, and patient comfort degree improves obviously.
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