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Tool assembly for harvesting and implanting follicular units

  • US 7,621,933 B2
  • Filed: 05/31/2006
  • Issued: 11/24/2009
  • Est. Priority Date: 09/30/2005
  • Status: Active Grant
First Claim
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1. An apparatus for harvesting and implanting hair follicular units, comprising:

  • an outer implanting cannula having an interior lumen and an open, tissue-piercing distal end configured for implanting a follicular unit into an implant region; and

    an inner harvesting cannula positioned coaxially in the implanting cannula lumen, the inner harvesting cannula having an open, tissue-coring distal end and an interior lumen sized to engage and retain a follicular unit,wherein the harvesting and implanting cannulas are moveable relative to each other in a reciprocating relationship, and wherein when harvesting hair follicular units, the distal end of the implanting cannula is located proximal to the distal end of the harvesting cannula.

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