Biosensors and constituent concentration measuring apparatus

The present invention can prevent odor leakage occurs during laser drilling, and to improve the convenience of the user, and an object thereof is to provide a constituent concentration measuring apparatus according to blood collection by laser drilling. Constituent concentration measuring apparatus of the present invention, the laser device and the condenser lens, and the analyzer for analyzing the components of the body fluid by an enzymatic reaction of the analyte reagent, and laser operation buttons 5 and display 3 and the display switching button 4, rechargeable battery and analysis and concentrations of components according to the output of the laser behavior or analyzer, the analysis result to the main body 2 equipped with an electric circuit provided with a memory for storing a slide sheet 6 film is provided on the optical axis of the laser beam internal inserts the insertion holder 7 is hollow, it is to fit the opening of the projection and the biosensor 8 biosensors 8 insert holder 7 film on the optical axis of the laser beam is provided.