Surgery – Respiratory method or device – Gas produced by electrolysis or chemical reaction
Patent
1980-01-28
1981-10-13
Recla, Henry J.
Surgery
Respiratory method or device
Gas produced by electrolysis or chemical reaction
12820415, 128402, 12820522, A62B 708
Patent
active
042942446
ABSTRACT:
A respirator with a cooling device, includes a vest which is adapted to be used by a wearer of such a device and which has a coolant compartment associated therewith for containing a coolant. In addition, the vest provides means for mounting a respirator on the back of the wearer so that the respirator weight causes the vest to bear against the wearer's body and to cool it and, additionally, a coolant may be circulated through the respirator parts so as to cool them as well as to advantageously cool the respirating air. The coolant is advantageously carried in a structure which fits between the two walls of the vest and it is adapted to contain a coolant, such as, carbon dioxide. The gases formed by the melting of the carbon dioxide are directed over one or more elements of the respirator which advantageously includes an oxygen container, a breathing bag and a chemical cartridge, preferably for both generating oxygen and for retaining the carbon dioxide which is carried in the respiratory air. All of these respirator elements are arranged to either take air in from the outside and to circulate it through a breathing bag and enrich it with oxygen for continuously recirculating it in a closed cycle in which the air is both enriched with oxygen, and carbon dioxide is retained.
REFERENCES:
patent: 3491752 (1970-01-01), Cowley
patent: 3610323 (1971-10-01), Troyer
patent: 3869871 (1975-03-01), Rybalko et al.
patent: 3950789 (1976-04-01), Konz et al.
patent: 4188947 (1980-02-01), Pasternack
Dragerwerk Aktiengesellschaft
Recla Henry J.
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