Are you familiar with hydrogel dressings?

In the field of wound care, hydrogel dressings have gradually evolved from a novel material into one of the core options for treating a variety of complex wounds. They overturn the traditional concept of gauze keeping wounds dry, accelerating wound healing by actively providing a moist, gentle, and repair-promoting microenvironment.

How do hydrogel dressings work?

The core of hydrogel dressings is a polymer material with a three-dimensional mesh structure, extremely high water content, and a jelly-like texture. Its working principle is not passive covering, but actively managing the wound environment:

1. Provides an ideal moist environment: It can form and maintain a suitable moist space on the wound surface. This environment has been shown to significantly promote the migration and proliferation of epidermal cells, help the wound to become epithelialized more quickly, and reduce pain during dressing changes.
2. Gentle autolytic debridement: For a small amount of necrotic tissue or scabs attached to the wound surface, the moisturizing effect of the hydrogel can gently soften them, making them easier to clean and remove during the next dressing change, avoiding the damage that may be caused by mechanical debridement.
3. Partial cooling and soothing: Its high water content can provide a mild cooling effect on burns or wounds in the inflammatory stage, helping to soothe the burning sensation and pain.

What are the advantages compared to traditional dressings?

Compared to traditional gauze dressings, the advantages of hydrogel dressings are obvious. Traditional gauze tends to adhere to newly formed granulation tissue, potentially causing secondary damage and bleeding during dressing changes, and its dry environment is not conducive to cell migration. In contrast, hydrogel dressings provide a favorable growth environment for cells, while their smooth surface greatly reduces adhesion to newly formed tissue, making the dressing change process gentler.

What types of wounds is it primarily suitable for?

Hydrogel dressings are not a cure-all; they are best suited for wounds with minimal exudate or those that are dry and crusted. Common applications include:

Superficial burns, scalds

Donor site wound (the area after skin harvesting)

Some postoperative sutured wounds

Chronic wounds: such as certain stages of stage II and III pressure ulcers (bedsores), leg ulcers, etc.

Small skin abrasions or wounds after laser treatment, etc.

Tip:

It is important to note that hydrogel dressings are generally not recommended for infected wounds, wounds with excessive exudate, or wounds with active bleeding. This is because an overly moist environment may worsen the infection, and their limited absorption capacity cannot handle large amounts of exudate.

Latest research progress:

1. Integrated antibacterial function: By loading antimicrobial peptides, nano-silver or natural antibacterial ingredients (such as tannic acid), the dressing itself can effectively combat wound infection and reduce the use of antibiotics.
2. Responsive Smart Gels: Developing dressings that automatically adjust to the wound's condition. For example, some novel hydrogels can sense the acidic environment during the inflammatory phase of a wound and release antibacterial substances; when the wound enters the repair phase, they can change their properties to achieve easy, virtually painless removal.
3. Convenient application: Sprayable hydrogels have emerged that can easily cover irregular wounds and quickly form a film on the skin, greatly facilitating care.
4. Added active ingredients: Some high-end dressings combine growth factors and other bioactive substances to directly promote angiogenesis and collagen synthesis at the cellular level, accelerating high-quality healing.

How to choose and use it correctly?

When choosing a hydrogel dressing, the wound condition should first be assessed by a healthcare professional. There are two main types available: hydrogel sheets for covering the wound and tubes for injecting into cavitary wounds. Before application, the wound should be cleaned with sterile saline solution. The dressing should completely cover the wound and extend approximately 2 cm beyond its edges. Depending on the product instructions and wound exudate levels, it should generally be changed every 1 to 3 days. The dressing needs to be changed when it becomes dry or the gel becomes cloudy. It usually does not stick to the wound when removed; if there is slight resistance, it can be moistened with saline solution before slowly peeling it off.

For more information on Innomed®Hydrogel Dressing, Refer to the Previous Articles. If you have customized needs, you are welcome to contact us; You Wholeheartedly. At longterm medical, we transform this data by Innovating and Developing Products that Make Life easier for those who need loving care.

Editor: kiki Jia