Catheter flushing apparatus

Details Catheter flushing apparatus Catheter flushing apparatus

1980-02-04

1982-07-27

Howell, Kyle L.

Surgery

Truss

Pad

128673, 128214E, 137238, 251117, A61B 502

Patent

active

043412246

ABSTRACT:
A flow control apparatus having a flow passage with an inlet and outlet is provided in a housing. A control means having a conical valve seat and ball member for restricting flow through the seat is provided in the inlet of the passage. A valve plunger slidably located within the housing is resiliently biased against a second valve seat provided in the passage walls of the housing. The plunger includes a marine bore capillary passage which effectively bypasses the second valve seat, thus permitting a first low flow. When the plunger is moved from its seat, a second higher flow is established for flushing the device. This second higher flow rate is controlled by valve control means in the inlet of the passage to prevent excessively high flow rates.

REFERENCES:
patent: 1005409 (1911-10-01), Bruns
patent: 2411667 (1946-11-01), Mowrey
patent: 2655170 (1953-10-01), Ferguson
patent: 2955614 (1960-10-01), Meynig
patent: 3298367 (1967-01-01), Bergman
patent: 3474816 (1969-10-01), Burgess
patent: 3675891 (1972-07-01), Reynolds et al.
patent: 3877428 (1975-04-01), Seagle et al.

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