Anaesthetic inhaler,1908. This is a DeFord somnoform inhaler. Somnoform was a mixture of anaesthetic liquids ethyl chloride,methyl chloride and ethyl bromide,and was used to anaesthetise patients during dental surgery. The metal mask (left) fitted over the mouth and nose of the patient. Somnoform produced a longer lasting anaesthesia than did ethyl chloride alone,but it was more toxic was no longer used by the late 1920s | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 5151 px × 3392 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |