F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
128/106, 103/37
F04B 43/06 (2006.01) A61M 1/00 (2006.01) F01L 23/00 (2006.01) F04B 9/06 (2006.01) F04B 9/127 (2006.01) F04B 33/00 (2006.01) F04B 45/053 (2006.01)
Patent
CA 1069761
Abstract of the Disclosure A suction pump is provided which is useful to remove mucus, blood, vomit etc. from the mouth, throat or air ducts of an unconcious person. The invention is particularly useful as a tracheal suction pump to be used at the scene of an accident and during transport of a person to a hospital. The pump comprises a pump assembly having a suction chamber with an outlet leading to the ambient atmosphere and an inlet communicating with a secretion-receiving reservoir with attached tubing permitting suction of secretion, primarily from the air ducts of an unconcious patient. The pump assembly comprises a housing enclosing the suction chamber and closed at one end by means comprising a first annular diaphragm and, centrally sealingly attached thereto, a rigid body guided by means connected to said housing for movement relative to the housing and having wall portions defining, together with means forming part of the housing, a motor chamber delimited from said suction chamber by a second annular diaphragm. This motor chamber communicates with driving gas supply and exhaust connections and a valve arrangement for the intake and exhaust of compressed driving gas.
290663
Grane Christian
LandOfFree
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