| 摘要 |
<p>Means in the form of a side button 40 is mounted at the distal end of a housing 10 forming part of an I.V. catheter which is movable between a first position to allow longitudinal movement of a needle 4 and a second position for preventing movement of the needle 4. The side button 40 is provided with a latching member 48 which prevents release of a cannula assembly 30 from a hub support member 24 until the needle 4 is retracted within the housing 10 and the side button 40 is in its second position. <IMAGE></p> |
