| 摘要 |
The subject of the invention is a sphincterotome with a high frequency current of the type which includes a metallic wire (8) connected to a source of high frequency, and a flexible isolating sleeve (16) into which the metallic wire (8) is inserted. The distal end of said metallic wire (8) can be withdrawn from the isolating sleeve (16) to allow for the cutting of a sphincter. The sphincterotome also includes a radiopaque guiding wire (18) and is characterised by the fact that said guiding wire (18) is an isolated metallic wire which can slide into the isolating sleeve (16).
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