Surgery – Respiratory method or device – Means using rescuer's breath for supplying respiratory gas...
Patent
1994-07-11
1995-11-28
Burr, Edgar S.
Surgery
Respiratory method or device
Means using rescuer's breath for supplying respiratory gas...
12820228, 12820229, A61M 1600
Patent
active
054698421
ABSTRACT:
A CPR face mask has a substantially toroidal face engaging part positionable on the face of a patient to surround at least the mouth of the patient. A flexible generally conical part having a lower end extending around and is secured to an upper surface of the face engaging part, and an upper end with an aperture through which a CPR giving person can blow air which passes downwardly through the conical part and the toroidal part into the patient's mouth. The flexible generally conical part has a relatively short outwardly extending substantially horizontal portion at the lower end extending around and secured to the upper surface of the face engaging part, a relatively short portion extending upwardly and outwardly from an inner edge of the substantially horizontal portion, a relatively high frusto-conical portion extending upwardly and inwardly from an upper edge of the upwardly and outwardly inclined portion, a relatively short portion extending inwardly and downwardly from an upper edge of the frusto-conical portion and a central cylindrical portion extending upwardly from an inner edge of the inwardly and downwardly extending portion and providing said aperture. The mask can be positioned in a collapsed configuration for storage by downward movement of the central cylindrical portion to cause the frusto-conical portion to fold downwardly and extend into the toroidal face engaging part and can be returned to a ready-to-use configuration by an upward pull on the central cylindrical portion.
REFERENCES:
patent: 3518989 (1970-07-01), Seeler
patent: 3695264 (1972-10-01), Laeral
patent: 4834085 (1989-05-01), Webster, II
patent: 4886057 (1989-12-01), Nave
patent: 5121745 (1992-06-01), Israel
patent: 5146914 (1992-09-01), Sturrock
patent: 5295478 (1994-03-01), Baldwin
Burr Edgar S.
Deane, Jr. William J.
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