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    • 5. 发明授权
    • Double layer prophylactic incorporating pharmacological fluid and spiral
barrier layer
    • 双层预防性纳入药理流体和螺旋屏障层
    • US5623945A
    • 1997-04-29
    • US487844
    • 1995-06-07
    • Linda M. ShecterleJohn A. St. Cyr
    • Linda M. ShecterleJohn A. St. Cyr
    • A61F6/04A61F6/02
    • A61F6/04A61F2006/043A61F2006/048Y10S128/918
    • A two layer prophylactic device taking the form of a male or female condom, or female diaphragm. The invention includes two latex layers bonded to one another along a spiral path which defines a corresponding spiral chamber between the latex layers. This spiral chamber extends between two compliant chambers at opposed ends of the device and is filled with a pharmacological fluid to help kill disease-bearing microbes and sperm cells which may permeate through the device during coitus. Due to the unique spiral chamber design leading between the complaint chambers, this pharmacological fluid remains uniformly dispersed during coitus and the device is less subject to rupture. Should one layer rupture during use, the pharmacological fluid will flow through the rupture and coat the adjacent sex organ. The present invention is especially effective in preventing unwanted pregnancies and the transmission of sexually transmitted diseases.
    • 采用男性或女性避孕套或女性隔膜形式的双层预防装置。 本发明包括沿螺旋路径彼此结合的两个胶乳层,其在胶乳层之间限定相应的螺旋室。 该螺旋腔室在装置的相对端处在两个顺应性室之间延伸并且填充有药理流体以帮助杀死可能在交配期间渗透穿过装置的致病微生物和精子细胞。 由于在投诉室之间引导的独特的螺旋室设计,这种药物流体在交配期间保持均匀分散,并且该装置较少遭受破裂。 使用过程中一层破裂,药物流体将流过破裂并涂覆相邻性器官。 本发明特别有效地防止意外怀孕和性传播疾病的传播。