damatomu, has with the blade which you abbreviate demarcate plane surface and the substance which you abbreviate demarcate vertical axis. The substance has, at least one even outside in order it organizes and to engage and, plane surface of the blade being vertical axis and abbreviation and parallel, and in order the above-mentioned even outside and at specified angle non to become parallel, in order to keep the blade, the end which is formed and, furthermore.< Selective figure >Figure 1ダーマトームは、平面を略画定する刃と、縦軸を略画定する本体とを有する。本体は、組織と係合するための少なくとも1つの平坦な外面と、刃の平面が縦軸と略平行であってかつ上記平坦な外面と所定の角度にて非平行となるように、刃を保持するよう構成される端部と、をさらに備える。【選択図】図1