With a CT of 30, staph is actually very easy to kill off. The only difficulty is getting the chlorine dioxide into contact with the staph.
Chlorine dioxide can penetrate the skin, so baths may be worth consideration. The activated sodium chlorite seems to target the GI tract, so it may be more effective to simply add some sodium chlorite to water and sip on that throughout the day.
How much time do you have before they want to remove the hip?