Patent ID: 8435393
Filing Date: 2013-05-07
Classification: G01N

Abstract:
1. A pharmacologic measurement instrument for measuring an electric signal caused by a pharmacologic action or electrophysiologic action of a biologic specimen, the pharmacologic measurement instrument comprising: an electrically conductive box provided with an opening section; and a well vessel disposed in the opening section, wherein the well vessel comprises: a base substrate provided with one or more well recesses in which one or more biologic specimens are placed; one or more measurement electrodes provided on bottom surfaces or back surfaces of the respective one or more well recesses; and a reference electrode electrically insulated from the respective one or more measurement electrodes, the reference electrode being formed on a top surface of the well vessel except for the bottom surfaces of the one or more well recesses and areas in the vicinities thereof, the well vessel being disposed inside the electrically conductive box in such a manner that the well vessel blocks the opening section entirely, the reference electrode being electrically connected with the electrically conductive box.