Medical pump for debris collection

Details Medical pump for debris collection Medical pump for debris collection

1987-06-23

1989-01-31

Rosenbaum, C. Fred

Surgery

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

Material introduced into and removed from body through...

604185, A61M 518

Patent

active

048012920

ABSTRACT:
A medical pump comprising an intake/discharge nozzle, a fluid circulator, an elongate barrel extending between and joining the nozzle and circulator, a flushing path and an efflux path peripherally about the flushing path connecting the circulator and nozzle, non-return valves within the paths providing for uni-directional flow from the nozzle through the efflux path to the circulator and from the circulator through the flushing path to the nozzle. A debris-collecting filter element is disposed within the efflux path within the barrel. The filter element and valves may be in the form of a replaceable cartridge. The valves may be constructed as a shuttle with joined oppositely operating valve plates. The valves may also comprise a resilient flap member with a flap formed therein, both the flap member and flap being independently operable and defining the two valves.

REFERENCES:
patent: 877926 (1908-02-01), Hilker
patent: 1925230 (1933-09-01), Buckholt
patent: 3785380 (1974-01-01), Brumfield
patent: 3892226 (1975-07-01), Rosen
Davol-"Single Use Ellik Evacuator", Davol Inc; Cranston, Rhode Island 02920.

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