The utility model relates to the technical field of
medical instruments, and discloses a measuring scale for measuring
stoma, which comprises a measuring device, the measuring device is characterized in that a first shell is provided with a rod body, one end of the rod body is provided with a shifting block, the other end of the rod body is provided with a plate body, and the portion, inside the first shell, of the rod body is sleeved with a first spring; a
cutting device is arranged on the measuring device, and the
cutting device comprises a connecting rod
assembly arranged on the plate body and the first shell; a second shell is fixedly connected with the first shell through the connecting rod
assembly, a third empty groove is formed in the second shell, a sliding rail is arranged on the third empty groove, and an inserting groove is formed in the second shell; a first sliding block is arranged at the top of the connecting rod
assembly and slidably connected with the sliding rail, a block body and a blade are arranged at the top of the first sliding block through a third connecting rod, a second empty groove is formed in the block body, and an inserting block is arranged at the bottom of the block body and connected with the inserting groove in an inserted mode.