Anchor Balloon Technique Introductory Text A Solution to the Sub Selector Not Advancing Into the Target Vein https://www.youtube.com/watch?v=hQuEFvAS8ScUsing Anchor Balloon Technique When Catheter Will Not Advance Despite Amplatz CS Cannulation Technique & or Jumbo Sheathhttps://www.youtube.com/watch?v=4-OBSgsxnvM&t=51s