Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1994-09-01
1996-05-07
Bennett, Christopher A.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820028, 128910, A62B 3700
Patent
active
055136320
ABSTRACT:
A downdraft system is used for withdrawing and collecting medical gases, fumes, mists and particulates from the vicinity of a patient's face. Two intakes are located on respective sides of the patient's face, at the cheeks. The intakes extend from temple to chin. They are connected through a ducting system to a source of vacuum for collecting the medical gases. The ducting system is configured to allow the adjustment of the intake positions. The intakes create a flow of air across the patient's face from above the nose to below the mouth so that gases leaking during administration of gases or exhaled by the patient, and fumes, mists or low velocity particulates generated, for example, in orthodontic procedures are captured in the flow across the patient's face into the intakes. This leaves the patient's mouth and nose fully exposed and unobstructed by the gas evacuation apparatus so that the administration of gases, dental treatments and any other procedures requiring access to the mouth and nose area may be carried out.
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Korczynski Rita
Nepon Mark
Sabesky Ivan
Battison Adrian D.
Bennett Christopher A.
Deane, Jr. William J.
Thrift Murray E.
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