You might ask or search for needle aspiration. Fillers can be located as well as infections via sonographia. A needle aspiration device can extract infected liquid as well as identified filler and apply antibiotic solutions at the same...
Search google for aqualift-latino and select the english language version.
you can also search facebook and ask that community.
Check this link: http://www.facebook.com/search/results.php?q=aqualift&init=quick&tas=0...