Observation of the efficacy of floating needle therapy in alleviating pain symptoms and functional impairments in patients with degenerative lumbar spinal stenosis

INTERVENTION: treatment group:Floating needle therapy;Control group:Conventional acupuncture treatment; CONDITION: Degenerative lumbar spinal stenosis PRIMARY OUTCOME: Hip and leg pain NRS score; SECONDARY OUTCOME: Improved RMDQ total score; INCLUSION CRITERIA: (1) In accordance with the diagnostic criteria for DLSS outlined in the "Guidelines for the Diagnosis and Treatment of Degenerative Lumbar Spinal Stenosis";(2) Neurogenic intermittent claudication, characterized by progressive pain, numbness, weakness, or tingling in the buttocks/lower limbs, with symptoms appearing during standing, walking, or lumbar extension, worsening with walking, and alleviating with sitting or bending forward; patients walk in a flexed or stooped posture;(3) Average pain score on the numerical pain rating scale (NRS) =4 points over the past week during walking, standing, or lumbar extension causing buttock and leg pain;(4) Total score on the Roland‐Morris Disability Questionnaire (RMDQ) =7 points;(5) CT or MRI scans of the lumbar spine within the last year indicate lumbar canal segment stenosis;(6) Signed informed consent.