Q36 What do terms such as FUE, implanter pen and sapphire blade mean?
FUE is an extraction method, follicular unit excision, using a small circular punch to remove individual follicular units from the donor area. Healing usually leaves scattered dot-like marks. Implanter pens and sapphire blades are two different implantation tools: sapphire blades first create slit-like recipient openings before graft placement, while a small tubular implanter creates an opening and inserts the graft. These are not equivalent concepts or different generations of technology. Each tool has advantages and disadvantages in different situations. The transplant doctor chooses according to the case; none is universally superior.
Implantation tools differ in the shape of their openings and the type of tissue injury. Implanter openings are relatively small, theoretically reducing trauma and offering some density-control advantages; sapphire blades can be more efficient in some settings. Clinical literature generally finds that direction, angle, density planning and operator skill matter more to natural appearance than the tool itself.
No instrument is suitable for everyone. The doctor selects punch diameter according to follicle size and hair characteristics. Too small a punch for large follicular units or thick, coarse shafts may increase transection risk. Promotional claims implying better outcomes from an instrument's name are not evidence of results.
Ask the doctor three questions: how many hairs your average follicular unit contains, your hair-shaft diameter, and which instrument and diameter they recommend on that basis. Being able to answer all three indicates that measurements have actually been taken.