| abstract |
The invention relates to hydrogel microbeads comprising at least water, chitosan, and at least one polyphosphate compound, water being present in a concentration of at least 85 mass % of hydrogel, said microbeads having an average diameter of between 100 and 900 μm. The invention also relates to the method for the production thereof and to the uses of same, especially in pharmaceutical compositions or medical devices, more specifically for treating a joint pathology. |