Medical negative-pressure adsorption dressing and application thereof

Abstract

The invention provides a medical negative-pressure adsorption dressing and application of the medical negative-pressure adsorption dressing in wound surface healing. The medical negative-pressure adsorption dressing is made of a sheet absorbent material, the sheet absorbent material comprises an absorbent layer of a three-dimensional interworking network structure and a wound surface contact face of a three-dimensional interworking network structure, wherein the wound surface contact face is loaded on at least one side of the absorbent layer, and a plurality of negative-pressure drainage holes penetrating through the thickness portion of the sheet absorbent material and a wound observing hole are formed in the sheet absorbent material. Due to the fact that the medical negative-pressure adsorption dressing is provided with the absorbent layer of the three-dimensional interworking network structure and the negative-pressure drainage holes, thick oozed pus or blood on the wound surface is wholly and rapidly absorbed into the dressing, a wet environment of the wound surface can be kept, cellulose or protein and other solid compositions in the ooze between the wound surface and the dressing are prevented from being left, bacteria and other microorganisms are prevented from breeding on the wound surface, the opportunities of wound surface infection are greatly decreased, the wound surface can directly heal without scabbing, and the wound surface healing time is greatly shortened.

Description

technical field [0001] The invention relates to a negative-pressure adsorption medical dressing which has good absorbability for the viscous exudate of the wound surface, can maintain the moist environment of the wound surface for a long time, and can directly heal the wound surface by skipping the scab stage. Background technique [0002] Traditional wound healing generally uses gauze, powder preparations, sprays, ointments, creams, sponges, etc. Most of them absorb the exudate from the wound surface, dry the wound site, and then heal. In recent years, it has been found that the following problems exist in dry wound healing: 1) local dehydration of the wound surface, formation of scabs, hindering the crawling of epithelial cells; 2) loss of biologically active substances in the wound, and slow healing speed; The local temperature drops, resulting in slower cell division and proliferation; 4) There is no barrier between the wound and the outside world, and the chance of infe...

AI Technical Summary

Problems solved by technology

In recent years, it has been found that the following problems exist in dry wound healing: 1) local dehydration of the wound surface, formation of scabs, hindering the crawling of epithelial cells; 2) loss of biologically active substances in the wound, and slow healing speed; The local temperature drops, resulting in slower cell division and proliferation; 4) There is no barrier between the wound and the outside world, and the chance of infection increases; 5) The wound heals for a long time; 6) The dressing adheres to the new

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