| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a liquid medicine syringe with which a patient can inject a correct amount of liquid medicine into his or her own body after reserving the liquid medicine to be injected up to a necessary and sufficient amount predetermined by a doctor. <P>SOLUTION: The syringe is provided with: a reserver 12 for reserving the liquid medicine; a supply side tube 13 for supplying the reserver 12 with the liquid medicine; a discharge side tube 14 for discharging the liquid medicine from the reserver 12; and a pressure mechanism 20 for sending the liquid medicine stored in the reserver 12 to the discharge side tube 14 by pressing the reserver 12. The reserver is configured so that it swells as the liquid medicine supplied by the supply side tube 13 is reserved, and is provided with a pressure regulation mechanism 30 which regulates pressure of the reserver 12 by the pressure mechanism 20 until the amount of swell of the reserver 12 reaches the predetermined capacity and permits the pressure of the reserver 12 by the regulating pressure mechanism 20 when the amount of well of the reserver 12 has reached the predetermined capacity. <P>COPYRIGHT: (C)2009,JPO&INPIT |
