MAGNETIC MEDICAL DEVICES, NAMELY, CATHETERS, ENDOSCOPES, GUIDEWIRES, SURGICAL INSTRUMENTS FOR TAKING TISSUE SAMPLES, AND ELECTRODES AND ELECTRODE CATHETERS; CATHETERS; ENDOSCOPES; MEDICAL GUIDEWIRES; ULTRASONIC APPARATUS FOR LOCATING MEDICAL DEVICES IN THE BODY; SURGICAL INSTRUMENTS FOR TAKING TISSUE SAMPLES; MEDICAL ELECTRODES AND ELECTRODE CATHETERS
Medical Apparatus