BLOOD VESSEL INNER DIAMETER SIZER

摘要

PROBLEM TO BE SOLVED: To provide a blood vessel inner diameter sizer capable of improving measurement accuracy.SOLUTION: A blood vessel inner diameter sizer 1 includes: a shaft 10; a first measuring part (a measuring part 11) provided on the leading end side of the shaft 10 that has a first spherical structure at least on the leading end side; and an inner hole H0 that penetrates inside the first measuring part and extends toward the base end side from the leading end of the shaft 10.