1. A process for the preparation of skin graft for transplantation to the patient based on its perforation by the application system and through slits in the flap forming system polygonal openings, characterized in that the system is applied through slits so that during subsequent stretching graft therein, the system polygonal openings forming at least one web connecting the opposing corners of the polygons, such as a large diagonali.2. A method according to claim 1, characterized in that the through slot is applied so that by stretching the flap formed therein rectangular openings with aspect ratio of 1:. 2 or 1: 3 or 1: 4 or 1: 6.3. The method of claim. 1, characterized in that the through slot is applied so that by stretching the graft therein otverstiya.4 rhombic form. The method of claim. 1, characterized in that the through slot is applied so that by stretching the graft therein otverstiya.5 hexagonal form. A method according to claim 1, characterized in that the through slot is applied so that by stretching the flap openings formed therein in the form of a parallelogram with an aspect ratio of 1:. 2 or 1: 3 or 1: 4 or 1: 6.6. Rotary hammer comprising a housing, two shafts, one of which contains a set of circular blades with spacers and another set of hard disks with spacers, characterized in that the abutment wheels are in the form of small discs, fixedly mounted on the shaft and the floating rings fixed to a shaft movably in the radial direction, the small diameter disks for 2-8% less than the inner diameter of the floating rings and the thickness of the floating rings is in the range of 0.2-2.0 mm and a thickness commensurate nozha.7. Perforator according to Claim. 1, characterized in that the thickness of the blades are in the range 0.2-2.0 mm, and1. Способ подготовки кожного трансплантата для пересадки пациенту, основанный на его перфорации путем нанесения системы сквозных прорезов и формировании в лоскуте системы многоугольных отверстий, отличающийся тем