Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1986-07-17
1987-06-30
Apley, Richard J.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
128911, 12820328, 128910, A61M 1600
Patent
active
046762396
ABSTRACT:
An anaesthetic system comprising, (a) inspiratory low pressure fresh gas supply tube adapted to receive low pressure gas and adapted for attachment of a reservoir bag tube and having a valve for control of gas to and from the reservoir bag (b) an expiratory tube comprising: (i) a valve to open or close the tube to permit from free up to totally restricted flow of gases in and out of the expiratory tube and (ii) a relief valve to permit gases to exit when pressure in the expiratory tube exceeds a predetermined value (c) the inspiratory and expiratory tubes communicating with a patient's face piece and being substantially free of restricted flow of gases whereby a universal mode of anaesthetic administration to a patient can be achieved.
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Apley Richard J.
Macey H.
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