Medical cotton swabs bandages degreasing cotton counts which class of medical devices

Skimming cotton 6864 belongs to Class II medical devices

Bandage 6864 belongs to Class I medical devices

Cotton swabs 6864 belongs to Class I medical devices

Medical devices, refers to the direct or indirect use of the human body, instruments, equipment, appliances, in vitro diagnostic reagents and calibrations, materials, and other similar or related items, including the required computer software.

The utility of which is obtained primarily by physical and other means, not by pharmacological, immunological, or metabolic means, or which, although these means are involved, play only an auxiliary role; and which is intended for:

(i) the diagnosis, prevention, monitoring, treatment, or alleviation of disease;

(ii) the diagnosis, monitoring, treatment, alleviation, or functional compensation of injury;

(iii) the testing, substitution, regulation, or support of physiological structures or processes;

(iv) the support or maintenance of life;

(v) the control of pregnancy;

(vi) the provision of information for medical or diagnostic purposes through the examination of specimens from the human body.

Extended information:

Methods and raw materials for making skimmed cotton

Raw materials finest cotton, caustic soda (NaOH, industrial grade), water.

Method of making the cotton torn, pick off the impurities that can be seen, such as small stones, dead leaves and so on. Wash the cotton with water until the effluent is clear. Cotton in an enameled pot, add water until just submerged, and then add to the pot equivalent to 2% to 5% of the weight of the water in which the NaOH, cover and boil over low heat for 10 minutes. Cooling, with a lot of water rinse, about 10 minutes while washing and rubbing. Put the washed cotton on clean paper to dry.

Note that the lye (NaOH) is highly corrosive, you must wear gloves and plastic girth, stained on the skin should be washed immediately. Cooking time should not be too long, so as not to decrease the degree of polymerization, affecting the esterification. Pay attention to dustproof when drying.

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