Medical hydrocolloid dressing and preparation method thereof

Abstract

The invention provides a medical hydrocolloid dressing and a preparation method thereof. The medical hydrocolloid dressing is prepared from, by total mass percentage, 30-60% of an adhesive, 20%-50% ofsodium carboxymethyl cellulose, 0.5%-20% of bioactive glass, 0.5%-10% of beeswax, 0.5-30% of olive oil, and 0.5-40% of microcapsule wall materials. The hydrocolloid dressing can be widely used, is suitable for protecting and treating various surface wounds including ulcers, diabetic feet, lower extremity venous / arterial ulcers, pressure sores, post-operative incisions, skin donor site wounds, burn wounds and the like, and has the effects of alleviating wound bleeding, relieving inflammation and pain, effectively absorbing exudates, maintaining a moist environment, promoting rapid wound regeneration and healing, and preventing and reducing scars.

Description

technical field [0001] The invention belongs to the technical field of biomedical engineering, and in particular relates to a medical hydrocolloid dressing and a preparation method thereof. Background technique [0002] Traditional medical dressings (cotton gauze, non-woven fabrics, etc.) are used on wounds. The materials are easy to obtain, easy to make, and low in price. However, the disadvantages are obvious. When there is a lot of wound exudate, it needs to be replaced frequently, and the dressing sticks to the wound surface. Pain, secondary trauma, and insufficient treatment of difficult-to-heal wounds such as ulcers. Traditional medical dressings for wound healing are mainly based on dry healing theory. Dry therapy faces many challenges that cannot be dealt with in the treatment of chronic wounds, such as the formation of dry, hard and thick scabs from necrotic tissue, pus and fluid accumulation under the scab, and putrefaction and stench , Sneaking and poor drainage ...

AI Technical Summary

Problems solved by technology

[0004] Medical hydrocolloid dressings currently on the market mainly use functional ingredients such as chitosan, sodium alginate, and silver ions. Olive oil or beeswax, which has good therapeutic effects on wounds such as anti-inflammatory, antibacterial, and hemostatic effects, is affected by the temperature of the preparation process. Restrictions, gel, plaster or emulsion materials are often used to add, which do not have adhesion and need to be used with other auxiliary materials, which is inconvenient to use

Patented and marketed medical hydrocolloid dressings mainly use functional ingredients such as chitosan, sodium alginate, and silver ions, which have poor wound healing ability, ineffective anti-inflammatory, hemostatic and pain-relieving effects, and their safety needs to be demonstrated, especially for various types of dressings. Chronic body surface wounds include ulcers, diabetic feet, venous / arterial ulcers of lower extremities, pressure sores, burns and scalds, etc. The wound treatment is slow and painful