| 摘要 |
A bi-directional perfusion cannula comprising an elongate tube for insertion into an artery, the elongate tube comprising: a first aperture at a distal end of the elongate tube which is forward during insertion, the first aperture being configured so that blood can flow into the artery in the direction of insertion; an elbow formed in the elongate tube; and a second aperture, the second aperture being formed in or slightly rearward of the elbow and configured for supplying blood into the artery in a second direction which is generally opposite to the insertion direction. |
