 René Laennec akagadzira rubatsiro rupi rwevanachiremba muna 1810?René Laennec akagadzira stethoscope muna 1810. Stethoscope chombo chekurapa chinoshandiswa nemachiremba kuteerera kurira kwemukati memuviri wemunhu, kunyanya mwoyo nemapapu. Kugadzirwa kweLaennec kwakashandura kuongororwa kwekurapa nekubvumira vanachiremba kuongorora mamiriro evarwere nenzira kwayo uye nemazvo. 