| 摘要 |
<p>An extended tip ejection button (50) in a manual, liquid pipettor (10) enables the user to release a used tip (40) without fear of drawing unwanted residual liquid, aerosols, or vapors back into the pipettor (10) after discharge of the liquid. An extension (60) can be placed on the tip ejection buttons (50) of commercially-available pipettors (10). Alternatively, a longer tip ejection button (110) can be provided for the pipettor (10).</p> |
