Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1988-11-03
1990-11-06
Burr, Edgar S.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
128911, 128912, 12820417, 138113, A61M 1601, F16L 919, F16L 1108, F16L 1112
Patent
active
049677446
ABSTRACT:
A breathing circuit for providing conduit from a breathing apparatus or anaesthetic device to a patient, the breathing circuit being generally coaxial and including a first flexible tube and a second flexible tube inside the first flexible tube. The first flexible tube has a smooth inner surface and a reinforcing cord or ribbing along its length and integral around its outer surface. The first flexible tube has a relatively thin wall with the cord, which is preferably in a spiral, providing structural strength or stiffness while retaining flexibility.
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Airoflex Medical, Inc.
Asher Kimberly L.
Burr Edgar S.
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