Lumbar disc herniation surgery is a major operation?

Lumbar disc herniation surgery depends on how a surgical method, take the traditional operation type belongs to major surgery, because involving the lumbar spine and related to the corresponding spinal canal and nerve surgery, belong to the orthopedic difficulty coefficient of surgery, but also requires the operation operation is more delicate, once the error will show other problems. However, the minimally invasive surgery under the intervertebral foramen mirror was not considered a major surgery because the current minimally invasive surgery under the intervertebral foramen mirror was relatively mature and easy to operate. It was not easy to damage nerves and other soft tissues.