device the treatment device comprises a plurality of separate inert porous ceramic particles which are contained in a permeable tea bag type container the particles have a porosity of between 25 and 85 preferably 75 and the pores have diamters in the range of between 0 4 to 30 micrometers the pores are cellular in nature and are interconnected by blow holes the particles are manufactured by pulverising an inert microporous ceramic body and removing fine powder from the particles such that the particles have a diameter range of between 45 and 300 micrometers application_number US 95982601 A description the invention will now be described further by way of non limiting examples and with reference to the enclosed drawing fig1 which is a cross sectional end view of a ceramic wound treatment device 10 cwtd according to a preferred embodiment of the invention the cwtd 10 is prepared by a method including the steps of milling solid petalite lialsi 4 o 10 into powder 1 micrometer diameter particles mixing the powder with water to form a paste or slurry firing the ceramic aggregate to a temperature of 1200 u00b0 c to form an inert microporous solid ceramic body having pore sizes.