Elastic skin external expander

The utility model provides an elastic skin external expander which is a device for skin external expansion and is mainly applicable to the fields such as skin pre-expansion before linear scar reduction and scar plastic surgery at parts with larger tension. The elastic skin external expander consists essentially of a left wrench, a right wrench and an elastic clip, wherein the upper part of each wrench is provided with a hand-held part, the lower part of each wrench is provided with an expansion adjusting pin shaft, the elastic clip is an annular elastic plate comprising a clamping mouth, jacks are respectively arranged on the elastic plate at two sides of the clamping mouth, ends of the elastic plate at two sides of the clamping mouth are respectively wrapped by using silica gel, the wrenches and the elastic clip are connected with each other through the expansion adjusting pin shaft and the jacks, and the grooves are symmetrically arranged in the elastic plate at two sides of the clamping mouth of the elastic plate. The elastic skin external expander adopts mechanical and biomechanics principles in design, is simple in structure, convenient to use and low in price, and has little influence on daily life of patients, thus reflecting the 'people-oriented' treatment concept of the modern medicine.