| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for measuring a clearance with small burden to an object to be inspected and high measuring accuracy. SOLUTION: The apparatus 1 for measuring a clearance comprises memory means 20 for storing a first reference function Cp/D=f1 (CL×T) taking the value of the product of a clearance CL and a blood collecting time T as one of parameters and taking the value obtained by dividing substance concentration Cp to be inspected by an administration amount D as the other, input means A for receiving the inputs of the amount D, the time T and the concentration Cp, and clearance calculating means 34 for calculating the clearance CL by applying the amount D, the time T and the concentration Cp received at the means S to the first reference function Cp/D=f1 (CL×T) stored in the means 20.
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