| 摘要 |
Intramedullary osteosynthesis implant, permitting in particular arthrodesis ( 1 ) of a joint, for example an interphalangeal joint, or diaphyseal osteosynthesis of the upper limb or of the lower limb, comprising two sets of at least two rods ( 2, 3, 4, 5 ) each extending on either side of a central zone ( 6 ), said rods ( 2, 3; 4, 5 ) being substantially parallel at ambient temperature within the same set, each set of rods being intended to be impacted in the medullary canal of a diaphysis, said implant being made from a shape-memory material so that, at body temperature, the rods ( 2, 3; 4, 5 ) of the same set spread apart so as to be able to immobilize themselves in said medullary canal.
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