Description  Claims  Drawing  Cited references 

DE102010009802A1   [0003] 
US5741327A   [0004] 
WO2008011175A2   [0005] 
WO9639102A1   [0006] 
EP1974700A1   [0007] 
US5238004A   [0040] 
US6508803B   [0040]