Use Of Injection Needles

There are generally no special rules for the use of endoscopic injection needles, but attention should be paid to the choice of needles (mentioned above), followed by the use of injection needles. close to oblique thorns. Vertical puncture and parallel puncture should be avoided. Vertical puncture is very easy to penetrate deeply and cause bleeding or perforation, while parallel puncture is easy to puncture and cannot achieve the purpose of submucosal or intravascular injection. So you need to pay attention to this in normal use.