Franseen micro histology needle
Franseen needle is a specially designed cutting aspiration for lung biopsy, also useful on fibrous lesions.
The Franseen cannula has three sharp points at the tip that mimic a “crown”. and cut tissue when the needle is rotated, which yields small pieces or cores of tissue.
The cannula is also marked with a centimeter scale, has a sliding stopper and a luer-lock connector. The stylet has been treated in order to optimize the echo-visibility