| 摘要 |
A withdrawal string for use with an absorbent pledget. The withdrawal string is affixed to an absorbent pledget which is insertable into a body cavity. The withdrawal string is a multifilamentous twine having a fixed end attached to the pledget and a free end. The multiple filaments comprising the withdrawal string are preferably hydrophobic and intertwined. At least one barrier portion is disposed between the free end and the fixed end of the withdrawal string. The purpose of the barrier portion is impede diffusion of autogenous and exogenous material, such as blood cells, bacteria and viruses, between the free end and the fixed end of the string when the string is wetted thereby reducing or eliminating material transport along the string. The barrier portion may be formed by heating, crimping, solvent fusion or, most preferably, by permeating one or more segments of the withdrawal string between the free end and the pledget with an uncured elastomer and curing the elastomer to provide a viscous diffusion barrier. When such a withdrawal string is wetted, such as, for example, when the string is immersed in a fluid medium such as a spa or swimming pool, the barrier portion renders the string effective for impeding the transport of blood to undergarments or exogenous fluids bearing particulates and the like into the pledget and/or vagina.
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