73818005
Aug 9, 1989
Apr 3, 1990
MEDICAL DEVICES FOR USE IN NEUROLOGICAL SURGERY, NAMELY, IMPLANTABLE CEREBROSPINAL SHUNT DEVICES USED FOR THE TREATMENT OF HYDROCEPHALUS; IMPLANTABLE RESERVOIRS AND CATHETERS USED TO GAIN FLUID ACCESS TO THE CENTRAL NERVOUS SYSTEM; AND EXTERNAL PHYSIOLOGICAL DRAINAGE AND MONITORING DEVICES
Medical Apparatus