Blood drawing Venipuncture can be done by the Dental Surgeon (if he is trained) or by the nurse. Material: fast collector BC12. Retractable needle, painless Boxes of 25 collectors. Venipuncture can be done by the Dental Surgeon (if he is trained) or by the nurse. Material: Safety Blood Collection VACUETTE. Boxes of 24 collectors with a retractable auto needle.