Safety and Effectiveness Evaluation of Spinal Laminectomy Robot

Inclusion Criteria: * Patients aged 18-80 years old (including 18 and 80 years old), regardless of gender; * Patients with complete clinical data, willing and able to sign informed consent; * Patients with lumbar disc herniation, lumbar spinal stenosis, lumbar instability, lumbar spondylolisthesis, and lumbar fracture meet the indications for spinal laminectomy and undergoing open surgery； * Patients with lumbar disc herniation, lumbar spinal stenosis, or lumbar instability have one of the following: 1. It was not effective after 3 months of conservative treatment 2. Symptoms seriously affect the quality of life 3. cauda equina nerve injury * Lumbar spondylolisthesis occurs in one of the following: 1. Symptoms of II° and below slip were not relieved by non-surgical treatment 2. Lumbar spondylolisthesis III° and above 3. Symptoms of lumbar spinal stenosis * The TLISS score of lumbar spine fracture is greater than or equal to 4 points. Exclusion Criteria: * Patients who are not suitable for robot-assisted surgery; * Patients with existing implants in or near the vertebral body of the lesion; * Patients whose vertebral lamina bone tissue of the focal vertebra or adjacent vertebra has been removed; * Pregnant and lactating female patients; * the subject is unwilling or unable to restrict activities or follow medical advice; * Patients with infection near the focal area; * The patient is mentally incapable or unable to understand the requirements for participating in the study; * The patient is critically ill, the expected survival period is not more than 2 years, and it is difficult to make an accurate assessment of the effectiveness and safety of the device; * Patients with coagulation dysfunction; * Other researchers did not consider it suitable for admission.