| 摘要 |
PURPOSE: An injection device for an endoscope is provided to inject drug with high pressure without inserting a needle into an affected area. CONSTITUTION: An injection device for an endoscope comprises a cannula(10), a spray unit(20), and a pump unit(30). The cannula having a pipe shape is inserted into the channel of an endoscope pipe. The spray unit sprays drug around an affected area. The pump unit pumps drug and supplies the drug to the spray unit. The spray unit comprises a feed port and an injector. The feed port is inserted into the cannula. In the injector, a plurality of injection holes is formed. |
