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endoscopic extraktionsvorrichtung with composite drahtkonstruktion
endoscopic extraktionsvorrichtung with composite drahtkonstruktion
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机译：复合内镜下内镜下胆囊切除术
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摘要
Disclosed herein is an endoscopic extraction device which retains its operative usefulness for longer periods of time, and therefore need to be replaced less frequently. This extended instrument life is accomplished through the use of a composite wire construction, which includes, an inner monofilament wire of nitinol material surrounded by six stranded stainless steel wires. A wire construction in which a nitinol wire is surrounded by five stranded stainless steel wires is also disclosed. After constructing a wire basket in the normal manner using this material, heat is applied to the formed basket in its pre-formed shape to set the memory characteristics of the inner nitinol core.
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