| 摘要 |
An intravaginal bio-erodible microbicidal barrier device. The device comprises (a) at least one micronized compound selected from the group consisting of cellulose acetate phthalate and hydroxypropylmethylcellulose phthalate, and (b) at least one water soluble or water dispersible cellulose compound selected from the group consisting of hydroxypropylmethylcellulose, methylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxyethylmethylcellulose, hydroxyethylethylcellulose and hydroxypropylethylcellulose; or a pectin, such as an apple pectin. The device is prepared by a combination of foaming, freezing and freeze-drying processes.
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