| 摘要 |
An arteriotomy closure system includes a double barrel sheath having parallel dedicated lumens that merge at a distal juncture into a single common lumen. One of the dedicated lumens receives a dilator and the other a stapler. One of the dilator or stapler can be advanced from its dedicated lumen distally through the common lumen and beyond the distal end of the sheath while the other of the dilator or stapler is retracted into its dedicated lumen.
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