Francke needle

Franc·ke nee·dle

(frahng'ke),
a small, lancet-shaped, spring-activated needle, used to evacuate a small effusion of blood.

Franc·ke nee·dle

(frahng'kĕ nē'dĕl)
A small lancet-shaped, spring-activated needle, used to evacuate a small effusion of blood.

Francke,

Karl E., German physician, 1859-1920.
Francke needle - a small lancet-shaped, spring-activated needle, used to evacuate a small effusion of blood.