cannula or a sheath for arterial line insertion along with a puncture needle

angiogram angiography arterial artery background blood cannulation cardiac catheterization close closeup coronary cut doctor femoral sheath gauze groin health healthy hospital injection introducer leg medical equipment medication medicine monitor needle nurse operating operation procedure professional protective puncture radial room sterile surgery surgical syringe technique treatment vascular access cannula line insertion frequently performed acute critical care settings serves invasive means accurately measure pressure mean non-invasive means