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Expandable contraceptive transcervical fallopian tube occlusion devices having mechanical fallopian tube attachment and delivery system
Expandable contraceptive transcervical fallopian tube occlusion devices having mechanical fallopian tube attachment and delivery system
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机译:具有机械式输卵管附接和输送系统的可扩展的避孕经子输卵管闭塞装置
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摘要
The invention provides intra-fallopian devices (10) to prevent conception. The device (10) is anchored within the fallopian tube by a lumen traversing region (24) of the resilient structure which has a helical outer surface, together with a portion of the resilient structure which is biassed to form a bent secondary shape, the secondary shape having a larger cross section than the fallopian tube. The resilient structure is restrained in a straight configuration and trans-cervically inserted within the fallopian tube, where it is released. Optionally, permanent sterilisation is effected by passing a current through the resilient structure to the tubal walls. IMAGE
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