The proper palmar digital veins drain each finger's palmar skin and pulp on their medial and lateral aspects, converging at the web spaces into the common palmar digital veins and then the superficial palmar venous arch. They run alongside the proper palmar digital arteries and nerves in the neurovascular bundle.
The proper palmar digital veins are accessed for intravenous cannulation in infants and when standard antecubital access fails. They are divided during digital amputation and are repaired in digit replantation — two veins per artery is the standard for adequate venous outflow. Thrombophlebitis in these veins produces a tender digital cord.
Proper palmar digital vein anastomosis is essential in digit replantation to provide adequate venous outflow — two or more veins per replanted digit reduces congestion and improves survival.
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