Patent ID: 7681572
Filing Date: 2010-03-23
Classification: A61M

Abstract:
1. Apparatus for the administration of a medical gas to a patient comprising a housing, a compressed gas cartridge disposed within said housing and containing a predetermined amount of said medical gas sufficient for normal respiration by said patient, patient supply means for providing said medical gas to said patient, and a cassette, said compressed gas cartridge being mounted on said cassette, said housing including an upper portion and a lower portion connectable with said upper portion in a configuration in which said housing comprises a completely enclosed configuration, and mounting means for mounting said cassette within said housing, said mounting means comprising first acceptance means associated with said housing and said cassette including second acceptance means, whereby said mounting means will only accept said cassette within said second acceptance means which are compatible with said first acceptance means, and said upper and lower portions of said housing are only connectable with each other in said completely enclosed configuration and said upper and lower portions of said housing cannot be connected to each other so as to form said completely enclosed configuration if said second acceptance means is not compatible with said first acceptance means, said compressed gas cartridge having a size and configuration whereby when said housing is in said completely enclosed configuration said compressed gas cartridge is contained entirely within said housing and said compressed gas cartridge can supply said medical gas to said patient from said housing only when said housing is in said completely enclosed configuration.