| 摘要 |
<p>A liquid drug dispenser which can deliver variable volume of doses wherein the user can control the dosage, preferably the dispenser will only dispense a maximum volume over a specific preset time period. The preset time period may be changed. The maximum volume may be changed. The preset time period may start after the first dose of drug has been dispensed. The device may be self contained and portable. The device may contain a syringe 2 and plunger mechanism 3 with a lock mechanism 6 which prevents use after the maximum dosage has been reached over the preset time period.</p> |
