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since 2002, the new hair institute has been developing a new harvesting method for perfecting follicular unit extraction (fue). in 2007, nhi physicians william rassman and jae pak invented a new tool and technique that together minimize transection (amputation) of hair follicles performed with the fue procedure. this is a completely different and superior approach from the prevalent fue technology practiced today. we call this new smarter harvesting method the fue² (follicular unit extraction enhanced)™.
despite popular media hype and extensive marketing efforts by many doctors, patients (consumers) should understand that the standard fue technique was never quite as good in harvesting the quality of follicular units that can be produced by careful microscopic dissection through the traditional strip method. most patients have not been aware that significant damage to the harvested grafts is a common problem for many physicians performing fue and this creates substantial waste of precious hair resources.
grafts produced by the fue² compare favorably with the best grafts produced by careful microscopic dissection from a strip harvest (the gold standard for graft creation since we published the classic article on follicular transplantation in 1995).
the photos above show the comparison between the fue² (top), and grafts harvested with strip dissection under careful microscopic control (bottom). note the uniformity in both sets of grafts with a significant fat pad present at the bottom. the fue grafts were removed with a 0.8mm punch. the entire follicular unit lies within the graft, presumably inside the outer root sheath. the large amount of fat around and below the grafts is substantial on both sets of photographs, showing the critical anatomical elements within each follicular unit.
the production of quality fue grafts has been a major challenge. in our hands, we have always qualified our fue patients in the past by performing a limited fue procedure (we called this the fox biopsy). if damage to the hairs within all grafts extracted during this biopsy were under 5%, we felt that the patient could safely undergo an extensive fue procedure. we still maintain that not all |
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发表于 2010-1-30 10:53:33
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