A needle-like tubular body (12) with its tip formed as a needle, a first guide wire (14), and a second guide wire (16) are inserted into a main tube (10). A first opening and a second opening (28 and 36) through which a first guide wire and a second guide wire (14 and 16) are respectively extended out...http://www.google.com.au/patents/US7985204?utm_source=gb-gplus-sharePatent US7985204 - Reagent injection device
