Cannula serving as a passage for a medical instrument or a substance comprises an end section with a shape memory which is activated when a given transition temperature is reached
DE19936162A1
Method for operating a dilator and dilator for performing the method
DE19803917A1
Tripod for guiding drill during trepanation process and drainage screw during insertion
DE4401823A1
Electric load control device e.g. for fluorescent light device
