A medical catheter having an elongate body, a first expandable balloon and a filter assembly. The filter assembly includes an expandable filter having a first portion coupled to a portion of the medical catheter and a second portion positioned around at least a portion of the first expandable balloon...http://www.google.es/patents/US7722634?utm_source=gb-gplus-sharePatente US7722634 - Medical device and method of intravenous filtration
Medical device and method of intravenous filtration
