manual extraction造句

Unroofing the early vesicles or pustules may permit manual extraction of the spicules.
Bauman was the first hair transplant surgeon to demonstrate live the FUE method of hair transplantation at the 2003 International Society of Hair Restoration Surgery Orlando Live Surgery Workshop and developed the first commercially available instrument specifically for manual extraction of FUE grafts, called the'Bauman MINDEX .'
It's difficult to find manual extraction in a sentence. 用manual extraction造句挺难的