Ndili ndi zaka zambiri zopanga makina akuda ndi oyera azachipatala , omwe amatha kupanga makina akuda . ndi oyera azachipatala omwe angakwaniritse makina ambiri a ultrasound . Kuphatikiza pa mndandanda wazomwe zili pansipa, mutha kusinthanso makina anu akuda ndi oyera azachipatala malinga ndi zosowa zanu zapadera.