Semi-interpenetrating network polymer backsheet bandage

Surgery – Truss – Pad

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128155, 604304, 428172, 523111, 424447, A61L 1500

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active

048320099

ABSTRACT:
An improved bandage comprises a backing sheet constructed of a semi-interpenetrating polymer network. Use of a semi-interpenetrating polymer network allows for an extremely desirable combination of gas permeability and hydrostatic resistance. This construction of backing sheet provides for suitable vapor permeability and sufficient water impermeability because the pores therein are of a colloidal size range and the surface tension thereof results in the backing material being hydrophobic.

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