| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a syringe and a method for injecting a liquid medicine, capable of easily forcing out the liquid medicine from a hard-to-clog narrow-diameter needle, giving little pain to a patient at the time of injection of the liquid medicine. <P>SOLUTION: The syringe has a syringe needle part 13 for injecting the liquid medicine, a pump part 7 connected to the syringe needle part 13, with a supply port for feeding the liquid medicine and a hollow part to be filled with the liquid medicine, and an ultrasonic oscillation part 4 connected and brought into contact with the pump part 7. The syringe is characterized by the injection of the liquid medicine inside the pump part 7 from the syringe needle part 13 with traveling waves generated in the ultrasonic oscillation part 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
