Medical lavage apparatus

Details Medical lavage apparatus Medical lavage apparatus

1987-09-11

1989-06-27

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604218, A61M 518

Patent

active

048425818

ABSTRACT:
A medical lavage apparatus (10) for body cavities, comprises a housing (20) having parallel irrigation and aspiration cylinders (28, 32) with plungers (24, 26) extending in bores thereof from a first end and aspiration and irrigation check valves positioned in parallel, smaller, offset, valve cylinders (46, 48) located at second ends. A septum (50) formed of intersecting semi-circular-in-cross-section baffles joins the adjacent outer ends of the irrigation and aspiration check valve cylinders so as to allow full fluid streams flowing from these outer ends to flow together at an angle. An oblong-in-cross-section, funnel-shaped, common exchange tube (22) is attached to the housing surrounding ends of both the irrigation and aspiration check valve cylinders and the septum. Inlet and outlet ports (42 and 44) are respectively positioned on the sides of the irrigation and aspiration cylinders with appropriate check valves located therein for coupling respectively to supply and waste containers (12, 16). When either of the plungers is fully inserted into its respective cylinder, a seal (80) on the end thereof covers the respective inlet or outlet port, thereby making that cylinder inoperative so as to avoid undesired fluid mixing between cylinders.

REFERENCES:
patent: 13975 (1855-12-01), Buhler
patent: 386603 (1888-07-01), Parsons
patent: 1496126 (1924-06-01), Livingstone
patent: 3159312 (1964-12-01), Van Sciver II
patent: 3398743 (1968-08-01), Shalit
patent: 3450134 (1969-06-01), Willgerodt
patent: 3818907 (1974-06-01), Walton
patent: 3828980 (1974-08-01), Creighton et al.
patent: 4054137 (1977-10-01), Lee et al.
patent: 4662868 (1987-05-01), Cambia, Jr.

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