The blood collecting tube of the present invention has a tubular body that is opened at one end and closed at the other end and a sealing member which is bonded to the peripheral edge of the opening of the tubular body so as to seal this opening. Also, the blood collecting tube of the present invention...http://www.google.fr/patents/US5033476?utm_source=gb-gplus-shareBrevet US5033476 - Blood collecting tube
