Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1993-10-14
1995-10-17
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820512, 604319, A62B 902
Patent
active
054581389
ABSTRACT:
Nasopharyngeal fluid suction devices are used for clearing liquid secretions from a human's airway. However, the prior art devices have a potential disadvantage in that the operator's mouth may be contaminated by suction liquid, and further that operator-assisted coordination frequently occurs resulting in poor timing, less effective and longer duration suction time. To overcome these disadvantages a body fluid suction device is provided having a catheter for collecting liquid secretions from the nasopharynx coupled to a flexible tubing for transporting the suctioned liquid and gaseous materials. A regulating valve is coupled to the flexible tubing and is responsive to external positive pressure to regulate the suction flow. An extension tubing adapter couples the regulating valve to a source of suction.
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Burr Edgar S.
Lewis Aaron J.
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