Specification of John Morgan : inhaler for medical purposes.

  • Morgan, John.
Date:
1858
Catalogue details

Licence: Public Domain Mark

Credit: Specification of John Morgan : inhaler for medical purposes. Source: Wellcome Collection.

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    Inhaler for Medical Purposes, (This Invention received Provisional Protection only.) PROVISIONAL SPECIFICATION left by John Morgan at the Office of the Commissioners of Patents, with his Petition, on the 23rd August 1872. I, John Morgan, of Saint Stephen’s Green North, Dublin, Ireland, 5 M.D., P.R.C.S.I., Professor of Surgical Anatomy, E/.C.S.I., and Surgeon to Mercers’ Hospital, do hereby declare the nature of my said Invention for “An Inhaler for Medical Purposes,” to be as follows:— This Invention consists of an inhaler constructed on the principle of 10 allowing freedom of respiration by being furnished with an elastic and flexible diaphragm which yields with each respiration and so allows the breathing of medicated vapours without discomfort or waste of ma¬ terial. This principle is more particularly applicable to the process of producing insensibility to pain by means of ether or other vapours, as it 15 accomplishes the free exposure of the vapor to the lungs, and its absorption by the system. The inhaler is constructed with or without a perforated false bottom to allow of the collection of the ether or other vapor; the top or side is furnished with an india-rubber diaphragm, so arranged that it ascends