Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
1999-07-09
2002-08-06
Weiss, John G. (Department: 3761)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S205190
Reexamination Certificate
active
06427691
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to apparatus for treating a medical patient with oxygen or suction or both. Some apparatus is known for feeding oxygen or suction or both to a patient but none is known in which the pressure of gas can be controlled and the patient can be so well protected from a surge of pressure.
SUMMARY OF THE INVENTION
The present invention can be used to feed gases while maintaining tight control on gas pressure surges to which the patient might be subjected.
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Green Robert A.
Mitchell Teena
Weiss John G.
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