Wound treatment systems, devices, and methods

By combining porous wound filler and flexible cover, the problems of size adjustment and adhesion in existing systems are solved, achieving flexible wound treatment and efficient negative pressure healing.

CN121752231APending Publication Date: 2026-03-27T J SMITH & NEPHEW
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Patent Information

Application Number
CN202480054625.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-09-05
Filing Date
2024-08-30
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing negative pressure wound therapy systems struggle to effectively adjust the size of the wound packing material to fit the wound shape when treating large or non-healing open wounds. Furthermore, traditional systems can lead to the adhesion of adhesive materials to the wound site, increasing the risk of infection.

Method used

The use of porous wound fillers allows for independent size adjustments and incorporates slits or openings in the wound contact layer to facilitate the removal of wound exudate, while a flexible drape seals the area around the wound, combined with a negative pressure source to promote healing.

Benefits of technology

It enables flexible adjustment of wound size, reduces the risk of adhesion, improves healing efficiency, and promotes fluid management and negative pressure therapy at the wound site.

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Abstract

Systems and methods for providing medial compression for abdominal open wounds for negative pressure procedures using wound filling materials and organ protection layers are described. The wound filler may pull the abdominal wall toward the midline when under negative pressure. The wound filler can provide medial tension and reduce the risk of long-term rectus abdominis separation or abdominal separation. The organ protection layer may also be modified to facilitate medial compression and promote fluid.
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