PROBLEM TO BE SOLVED: To provide an in-vivo blood flow detection device hard to be affected by external noise.SOLUTION: In an in-vivo blood flow detection device, a detection part has a flexible insulating film board 31, a plurality of LEDs 32, a first light reception means 331 provided close to the LEDs 32 emitting light having different wavelengths, a second light reception means 332 provided apart from the LEDs 32, a drive circuit 34 driving the LEDs 32, amplification means 351, 352 amplifying light reception signals of the light reception means 331 and the light reception means 332, and a signal conversion means 38 performing the analog/digital conversion of the light reception signal from each amplification means. One face of the board 31 is disposed with the LEDs 32 and the light reception means 331, 332, the other face of the board 31 is provided with the drive circuit 34 and the amplification means 351, 352 in the just back of the means corresponding to them, and the respective means are electrically connected between the one face and the other face.COPYRIGHT: (C)2013,JPO&INPIT【課題】外部雑音の影響を受けにくい生体内血流量検出装置の提供。【解決手段】検出部が、可撓性絶縁フィルム基板31と、異なる波長の発を発する複数のLED32と、LED32に接して設けられた第1の受光手段331と、LED32から離れて設けられた第2の受光手段332と、LED32を駆動する駆動回路34と、受光手段331および受光手段332の受光信号を増幅する増幅手段351,352と、各増幅手段からの受光信号をアナログ/ディジタル変換する信号変換手段38とを有し、基板31の一面にLED32と受光手段331,332が配置され、基板31の他の面に駆動回路34と増幅手段351,352が、夫々対応する手段の真裏に設け、それぞれの手段が一面と他の面との間で電気的に接続された生体内血流量検出装置。【選択図】図2
