The present invention discloses bone needle clamps and cannulated needle pins for use as skeletal infusion needles and methods therein. Bone needle clamps for facilitating intraosseous (IO) fluid transfer include: a clamp assembly having: at least one pair of opposing tips, facing each other, with each of the tips having a sharp end； and a bore in each tip, wherein the bore has a connection-facing opening and a bone-facing opening at opposing ends of the bore, and wherein the bone-facing opening is disposed in the tip at least one millimeter from the sharp end of each tip； and a needle assembly having: a cannula integrally attached to the connection-facing opening of the bore of the clamp assembly； and a connector operable to releasably attach a fluid-transfer assembly； wherein the needle assembly is operable to facilitate 10 infusion to the subject's bone and/or bone-marrow (BM) aspiration from the subject's bone.
