Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent
1994-04-29
1996-02-13
Asher, Kimberly L.
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
12820714, 12820715, 12820716, 12820026, 604171, 604119, 604267, A61M 2501
Patent
active
054905036
ABSTRACT:
A closed system suction catheter assembly has a protective sleeve enclosing a suction catheter that can be advanced through a patient connecting member coupling the assembly to a tracheal tube. Within the patient connecting member there is an integral valve and wiper seal assembly formed from a one-piece moulding with a central aperture providing the wiper seal and four duck-bill valve arranged around the periphery. The duck-bill valves are of oval shape and have their smaller dimension aligned radially.
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Asher Kimberly L.
Deane, Jr. William J.
Smiths Industries Medical Systems Inc.
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