| 摘要 |
The invention relates to a device allowing progressive obstruction of a natural channel such as an artery, in particular in a predetermined zone. It is characterised by: - at least one means 7 for anchoring in the walls 21 of the channel 2 at the predetermined zone 3, - at least one means 8 for forming at least one aggregate 9 such as a clot, from fluid, in particular blood, passing through the device, - at least one means 10 for retaining the aggregate 9 formed by the aforementioned means 8, arranged in order to produce such an effect. <IMAGE>
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