Vinyl Ether for Dental Anæsthesia: (Section of Odontology).
Properties: Vinyl ether, CH(2):CH(2):O:CH(2):CH(2), a volatile liquid. Lipoidsoluble but highly inflammable.Toxicity.-Has little effect on liver function; overdoses produce respiratory paralysis, but not cardiac paralysis.Indications.-Replaces ethyl chloride for short operations, and can be added to gas and oxygen instead of ether or chloroform. Is a safe and portable anaesthetic for the general practitioner.Administration.-Open method convenient, but not very satisfactory, a closed method produces better anaesthesia. Special inhaler described and illustrated.Vinyl ether is obtainable in ampoules of 3 c.c., a sufficient quantity for the average case.Induction is rapid; signs of anaesthesia described. Patient's colour remains excellent.Apparatus required when vinyl ether is to be added to gas-and-oxygen.
Goldman
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