Dermapunch is a precision medical instrument used in dermatological procedures for extracting cylindrical cores of skin tissue through circular incision. The device consists of a sharp, circular blade mounted on an ergonomic handle, available in various diameters ranging from 0.5 to 8 millimeters.

The instrument employs a specialized cutting mechanism that creates clean, uniform tissue samples through perpendicular penetration of the epidermis and dermis. Its double-helix internal threading system enables smooth extraction of the tissue core while minimizing trauma to surrounding structures.

These tools serve multiple clinical applications, including punch biopsies for histological examination, scar revision procedures, and follicular unit extraction in hair transplantation. The sterile, single-use versions incorporate surgical-grade stainless steel with micro-serrated edges for enhanced cutting precision. Modern dermapunches feature depth-control mechanisms and safety locks to prevent accidental injury during procedures.