A blade removal apparatus for a changeable blade scalpel in which a blade is removably mounted on a scalpel handle by fitting a mounting hole formed in the blade over a blade mounting part having a narrow width provided on the tip end of the scalpel handle. The blade removal apparatus has a box part...http://www.google.de/patents/US4730376?utm_source=gb-gplus-sharePatent US4730376 - Blade removal apparatus for changeable blade scalpel
