Medical stapler

A medical stapler comprising:

• a staple housing provided with a gripping surface from which a staple for suturing tissue is ejected, the staple housing having a cutter that cuts the tissue by being made to protrude from the gripping surface;
• an anvil disposed facing a direction in which the staple is ejected, the anvil being configured so that the tissue is gripped between the gripping surface and the anvil;
• and
• a receiving member provided in the anvil, the receiving member having a receiving surface that receives a cutting edge of the cutter,
• wherein the receiving surface of the receiving member has a shape in which only a portion thereof comes into contact with the cutting edge of the cutter when the cutting edge is moved to contact the receiving surface over an entire length of a cut length of the tissue;
• and
• the shape of the receiving surface comprises, in a direction along the cutting edge of the cutter, a first contact surface that simultaneously comes into contact with the cutting edge of the cutter, and a hole provided in the first contact surface, the hole corresponding to a portion of the cutting edge extending across the hole.