| 摘要 |
The present invention relates to a filter for protecting against pulmonary embolisms, of the type consisting of an elastic wire with a residual spring action, characterised by the fact that it comprises at least two wires (100, 200) which are each designed as a spiral, the two wires (100, 200) having at least substantially the same length and being connected in the vicinity of their ends. <IMAGE>
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