| 摘要 |
<p>A syringe holder is designed to be thrown away after a single use with the syringe safely captive within. The holder has a barrel (5) into whose rear end a syringe (1) is entered until the rear flange (2) of the syringe seats in a socket (15). Then a gate (16) is hinged in a radial plane through a slot (14) in a thick flange (12) surrounding the socket (15) and snap fastens in a position obstructing rearward movement of the syringe (1). The syringe needle (3) projects forwardly of the barrel (5) and is shrouded by a sleeve (7) captive to the barrel and urged forwards by a spring (6). The sleeve (7) retracts to expose the needle during injection but afterwards, having moved forwards again, it can be rotated to snap fasten to the barrel (5) and be locked in its needle shrouding position. The sleeve (7) can also be adapted to remove a cap or sheath from the needle (3) when, before injection, it is moved backwards and then forwards.</p> |
