PROBLEM TO BE SOLVED: To improve measurement accuracy and mountability of a heat-flow-type clinical thermometer.SOLUTION: A clinical thermometer 500 for measuring core temperature of a subject includes: a first thermal resistor 113 that has first temperature sensors 111, 121 arranged on a side that contacts a body surface, and a second thermal resistor 123 that has second temperature sensors 112, 122 arranged on a side opposite to the side that contacts the body surface； a uniformization member 130 that covers to surround only the surface opposite to the surface that contacts the body surface of the first thermal resistor 113 and the second thermal resistor 123； a thermal insulation member 501 that is arranged so as to surround side faces of the first thermal resistor 113 and the second thermal resistor 123； and a substrate part, a peripheral portion of which is fixed by the side opposite to the side that contacts the body surface of the thermal insulation member 501, and a central portion of which is arranged relative to the uniformization member 130 at a predetermined space.【課題】 熱流式体温計において、測定精度の向上と装着性の改善を図る。【解決手段】 被検体の深部体温を測定する体温計５００であって、前記体表面に接触する側に第１の温度センサ１１１、１２１が配され、前記体表面に接触する側の面と対向する側に第２の温度センサ１１２、１２２がそれぞれ配された、第１の熱抵抗体１１３及び第２の熱抵抗体１２３と、前記第１の熱抵抗体１１３及び前記第２の熱抵抗体１２３の、前記体表面に接触する側の面と対向する側の面のみを覆うように構成される均一化部材１３０と、前記第１の熱抵抗体１１３及び前記第２の熱抵抗体１２３の側面を取り囲むように配された断熱部材５０１と、周縁部分が断熱部材５０１の前記体表面に接触する側の面と対向する側の面によって固定され、中央部分が均一化部材１３０に対して所定の空間をもって配された基板部とを備えることを特徴とする。【選択図】 図５Ａ
