- Lies in a groove on the 1st Rib
- Due to the slope, lies at a lower level than the insertion of Scalenus Anterior
- Runs medially
- Joins the Internal Jugular Vein at the medial border of Scalenus Anterior to form the Brachiocephalic Vein
- Thoracic Ducton the left and the Right Lymphatic Duct on the right enters the angle of confluence of the 2 veins
- Used for central venous lines:
- Infraclavicular approach – from a point 2cm below the midpoint of the Clavicle along a line that passes behind the Clavicle towards the Jugular Notch of the Sternum
- Needle pierces the Clavipectoral Fascia and enters the vein just behind the Fascia