| 摘要 |
A dermatom with the special tip contains a housing, drive shaft, knife, rimmed tip, protective shield, mechanism of thickness adjusting of cut away layer, on working part of the tip rim the ledges are made. The working surface of the tip rim is divided into four equal sectors, on the first sector ledges are made with the height , width , intervals between them.1.5 mm, interval between the cutting edge of knife and tips of ledges , the second sector has ledges, height of which is , width 1.5 mm, intervals between them 1.5 mm, interval between the cutting edge of knife and tips of ledges is , the third sector has ledges, height of which is , width 1.5 mm, intervals between them 1.5 mm, interval between the cutting edge of knife and tops of ledges is , the fourth sector does not have ledges, the tip is fixed motionlessly. The ledges of sectors are made in parallel to the bisectricess of conditional sectors. |
