A thermal treatment system for thermally treating a sterile medium is controlled via a foot actuated switch to thermally treat the sterile medium to a desired temperature and/or form (e.g., slush). The thermal treatment system includes a basin recessed in a system top surface, while a surgical sterile...http://www.google.de/patents/US6371121?utm_source=gb-gplus-sharePatent US6371121 - Remote controlled thermal treatment system and method for controlling the system remotely to thermally treat sterile surgical liquid