2년 전

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No need for staples or sutures this innovative glue is highly elastic and adhesive .
An international team of researchers, led by biomedical engineers at the University of Sydney (Australia), has developed one adhesive elastic surgical adhesive that could completely transform emergency treatment sealing critical wounds on the skin or organs, without the need for Use staples or sutures. And all in a minute.

The gel is based on a substance called Me-Tro , an elastic hybrid protein , which can be injected into both internal and external wounds to seal them and stimulate healing.

This glue could literally be a lifesaver, as it only takes 60 seconds to seal the wounds without stopping the natural expansion of the tissue, as occurs, for example, in lungs, hearts and arteries , which due to their natural functioning are inclined to reopened wounds. constantly. With this glue, it would not happen, due to its elastic and adhesive characteristics.

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After application, MeTro only requires an ultraviolet light bath to solidify on the wound

"The beauty of MeTro's formulation is such that as soon as it comes into contact with tissue surfaces, it solidifies in a phase similar to a gel without fleeing.
By bathing the area with light, the seal is placed very precisely, because it conforms to the shape of the wound and adheres firmly to the structures of the tissue surface.

Wounds treated with this glue can be cured in half the time compared to stitches or staples and, if surgery is required, MeTro could also simplify that procedure. Because thanks to a degrading enzyme incorporated in the glue, it could be modified to last a certain time
(between hours and months) depending on the type of injury.

In emergency situations where speed is critical, this glue could save many lives, sealing wounds.

"When you see MeTro, you can see that it acts like a liquid, filling the gaps and adjusting to the shape of the wound." Potential applications are powerful - from the treatment of serious internal injuries to emergency sites, such as car accidents and in war zones , as well as the improvement of hospital surgeries.
the gel is easy to apply, can be easily stored, and works closely with natural tissue to heal a wound, as it degrades without leaving any toxic waste in the body.

  1. The gel-like glue mixes natural, highly-elastic proteins with light-sensitive molecules that enable it to set in 60 seconds when exposed to UV light (ultraviolet light).

  2. This UV-treatment cures the glue and allows it to form tight bonds with structures on the surface of the tissue, which maintains its elasticity

  3. A degrading enzyme is also included in the formula that can be manipulated to determine how long the glue lasts in the wound, ranging from hours to months, depending on the time it needs to heal.

  4. Because of the high elasticity of the glue, it could be suitable for treating wounds in tissues that expand and relax and are therefore, at the risk of re-opening, link the lungs or heart.

  5. According to the team, it could also prove valuable in treating internal wounds in places where bodily fluids ruin the effectiveness of more conventional sealants, MeTro works in different configurations and solves problems that other available sealants can not. It is now ready to be transfer to human trials and hoped that soon MeTro will be used in the clinic, saving human lives.

Reference :

nydaily news

science alert


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