What is lumbago doing with a closed needle?

Patients with low back pain hit closed needle is a treatment for low back pain, closed injection has two methods, as follows: one is the pain site is relatively fixed, there are obvious tenderness point injection; the other is to choose lumbar spinal canal injection. For patients with fixed pain position, most of the drugs are lidocaine combined with triamcinolone acetonide injection, which can obviously relieve pain and reduce inflammatory reaction, mainly for patients with lumbar muscle strain and acute lumbar sprain. Of course, if other lumbar diseases cause limited lumbar pain range, this method can also be selected. The intraspinal injection is mainly aimed at patients with obvious dural sac pressure, mainly for lumbar spinal stenosis, lumbar disc herniation, mannitol can be selected with hormone drug injection, most choose dexamethasone or methylprednisolone, its therapeutic effect is to relieve dural sac edema, reduce spinal canal pressure.