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Original Research

Establishment and Clinical Application of the Concept of Invalid Extraction Rates in Follicular Unit Extraction

, , , &
Pages 225-229 | Published online: 04 Mar 2021

Figures & data

Figure 1 FUEPK-7000 hair follicle drilling machine.

Figure 1 FUEPK-7000 hair follicle drilling machine.

Figure 2 The drills produced by LeadM in South Korea.

Figure 2 The drills produced by LeadM in South Korea.

Figure 3 The diameter of posterior occipital hair follicles examined by trichoscope before operation.

Figure 3 The diameter of posterior occipital hair follicles examined by trichoscope before operation.

Figure 4 Change trend of invalid extraction rate of FUE by three doctors A, B and C.

Figure 4 Change trend of invalid extraction rate of FUE by three doctors A, B and C.