There is disclosed herein a blood collection tube holder having a body and a protector case, and preferably with a dedicated needle attached to the body. The tube holder is molded of plastic or other suitable material which is sterilizable. The device comprises five parts including the body, protector...http://www.google.es/patents/US5356392?utm_source=gb-gplus-sharePatente US5356392 - Shielded blood collection tube holder
