TISSUE DIVIDING JIG

Provided is a tissue dividing jig which makes it possible for needle biopsy tissue for a biopsy to be easily divided over the entire length thereof. This tissue dividing jig comprises a tissue dividing base and a cutting blade set. The tissue dividing base 301 has a tissue placement portion 302 onto which needle biopsy tissue S is placed. The cutting blade set 303 is provided with a cutting blademember 305 and a guide portion 307 (hinge). The tissue dividing base 301 and the cutting blade set 303 have a positioning mechanism 307 (hinge) for mutually fixing the positions thereof. The cutting blade member 305 is provided with a cutting blade 306 in a long axis direction of the tissue placement portion 302. The guide portion 307 guides the cutting blade member 305 to move with a fixed position relative to the tissue dividing base 301. When the cutting blade set 303 is disposed in a prescribed position above the tissue dividing base 301 by means of the positioning mechanism, and the cutting blade member 305 is mo