BD™ Chiba for fine needle aspiration for biopsy and transhepatic cholangiography. Thin wall. Sterile, single use. For use in transhepatic cholangiography, chemoneucleolysis, spinal anesthesia, and wherever a short-beveled, long length needle is required. Uniformly sharp thin-wall 22 G needle ensures consistent, smooth entry. Maximum I.D. with minimum O.D. permits easy aspiration and fluid injection. Lightweight, translucent hub provides extra sensitivity for accurate needle placement. Color-coded stylet allows rapid gauge identification. Offers all the advantages of a disposable: helps minimize risk of infection, eliminates reprocessing and handling costs, peel-off Tyvek, blister pack for easy identifications and sterile presentation.