| 摘要 |
A multi-part tool assembly for harvesting and implanting follicular units, comprising an outer cannula having an open, tissue-piercing distal end, and an inner cannula coaxially positioned in a lumen of the first cannula, the second cannula having an open, tissue-coring distal end sized to engage and retain single hair follicular units. An obturator may be positioned in the lumen of the second cannula, wherein at least one of the first cannula, second cannula, and obturator are movable relative to the other ones.
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