Biomedical devices are provided herein which are formed from a polymerization product of a monomeric mixture comprising one or more monomers comprising one or more trifluorovinyl groups, e. A suitable distillation system is also disclosed. The two part construction of the carriage enables adjustment of the blade with respect to the bed without movement of the bed. The bin could include an opening covered by a cap that is removable to permit emptying. Only after authentication or authorization may resources of any particular client be accessed.