The 32-year-old Inter stopper suffered the injury midway through the first half of their 4-1 group stage win over South Korea and has been absent from the starting lineup since.
However Samuel took a full part in training with Argentina players who did not feature in the 3-1 win over Mexico in the round of 16 and according to AS, having suffered no ill-effects, will be available for selection against the Germans on Saturday.
La Albiceleste will be looking to exact revenge of Joachim Loew's men having gone out of the 2006 finals on penalties against Germany.
Which team is more likely to progress through to the semi-final? Take a look at Castrol's World Cup Match Predictor to find out.