For the purposes of this Directive, 'central circulatory system' means the following vessels:
- arteriae pulmonales,
- aorta ascendens,
- arteriae coronariae,
- arteria carotis communis,
- arteria carotis externa,
- arteria carotis interna,
- arteriae cerebrales,
- truncus brachicephalicus,
- venae cordis,
- venae pulmonales,
- vena cava superior,
- vena cava inferior.
[Definition according to (93/42/EEC) Annex IX No. 1.7]