< Topic >At the time of the stomach tube creation which designates the stomach as the reconstruction internal organs, securely, physiological and the ruler for stomach tube creation in order to form the smooth stomach tube of form simply is offered.SolutionsBeing the ruler for stomach tube creation of semicircle forma and the form which combines rectangle, when the rectangular one arm making the arm YZ which ties apex Y and Z, semicircle forma is formed outside rectangle one arm of the Y side which it adjoins to the arm YZ as a diameter, parallels to the arm YZ and possesses measure, possesses the slit cap to the arm YZ, furthermore, possesses the protractor which measures the angle for the arm YZ which designates the dot Y as standard. Radius of semicircle forma is identical with the radius of 1/4 orbicular automatic suture cut-off vessel, or or, it is desirable for the semicircle of various diameters to be printed to semicircle forma.< Choice figure >Drawing 5【課題】胃を再建臓器とする胃管作成時に、確実に、生理的かつ形状のスムースな胃管を簡便に形成するための胃管作成用定規を提供する。【解決手段】半円形と長方形を組み合わせた形状の胃管作成用定規であって、長方形の一辺を頂点Y、Zを結ぶ辺YZとしたときに、半円形は辺YZに隣接するY側の一辺を直径として長方形の外側に形成され、辺YZに沿ってメジャーを有し、辺YZに交わるスリットを有し、さらに、点Yを基準とした辺YZに対する角度を測定する分度器を有する。半円形の半径が4分の1円形の自動縫合切離器の半径と同一であるか、または、半円形に様々な径の半円が印刷されているのが好ましい。【選択図】図5
