THIS IS A NEW TUBE H SHAPED FOR TREATMENT OF CASES OF SYRNGOMYELIA AND HYDROMYELIA ONE LIMB OF THE H SHAQPED TUBE IS PUT INSIDE THE CAVITY OF THE SPINAL CORDAND THE OTHER LIMB REMAINS OUTSIDE THE CORD IN THE SUBARACHNOID SPACE THIS LIMB IS 3 CM LONG THE LIMB INSIDE THE CORD IS 15 CM IN LENGTH AND IS TAILORD DURING SURGERY TO SYRNGOMYELIC CAVITY THIS TUBE NEEDS NO FIZATION
