| 摘要 |
<p>Needle and tube-carrier assembly modified for the vacuum extraction of blood and other organic fluids, comprising a bayonet-type needle (1, 1') and a tube-carrier (10 or 10'), in association with a tube (20), the needle (1) being comprised of a front bevelled needle (4), a transparent connector with side wings (2), a threaded hollow holding part (3 or 3'), a rear needle connection (5) with external rubber sleeve and a rear needle (6) with closed bevel and side openings, the tube-carrier (10) being provided with a needle connection female cone of the thread type (13) or the clip type (13'), with internal damping pad (11), tube-carrier fixing grooves (17) and rotary fixing wings (12); the tube-carrier may also be formed, in a second embodiment, as a single piece body (27) which presents at one of its extremities an element configured as a delta wing (22) from which arises a cone (24) through which passes a conduit (23) to the inside of the sample-holder tube (27), thereby saving a damping pad (28), the conduit (23) being connected to the needle (25) through which circulates the sample flow to the inside of the sample tube (30), thereby saving a protection head (29).</p> |
