Thursday, 3 July 2025

Biactive Wound Dressing: Calcium Alginate

               

                                                                 Wound Dressings


                                                     Bioactive Dressings = Biomaterials 

                                                               Biomaterials: Alginate 

Calcium Alginate is a highly absorbent wound dressing made from brown seaweed (algae)

                                               Brown Sea Weed Algae = Calcium Alginate 



It is commonly used to manage moderate to heavily exuding wounds by promoting a moist healing environment and aiding in hemostasis.


Mechanism of Action

1.       Ion Exchange: When the dressing contacts wound exudate (which contains sodium), calcium ions in the dressing are exchanged for sodium.

2.       Gel Formation: This exchange turns the dressing into a soft, hydrophilic gel, maintaining a moist wound environment conducive to healing.

3.       Hemostasis: Calcium supports the clotting cascade, promoting local blood clotting in bleeding wounds.



                                           Clinical Applications Of Alginate Based Dressings



                                                                       Theory To Practice 




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