Technical problems to be solved are: in order to provide instrument, the locator of system and method breastbone arranges intraosseous device in the breastbone of human patients.SOLUTION: a kind of locator of breastbone, the chest for being configured to insertion human patients includes: that there is stabilizer the protruding portion of one or more portrait orientations to be configured to (IO) device in fastening stabilizer to bone With two or more probes and stabilizer. Stabilizer is configured as that intraosseous device insertion patient and fluid are pumped through intraosseous device to interior space in patients breastbone after a part for remaining secured to intraosseous device.Selection drawing: Figure 18COPYRIGHT:() 2017, JPO& INPIT