Medico-surgical tube including improved means for administering

Details Medico-surgical tube including improved means for administering Medico-surgical tube including improved means for administering

1991-05-15

1993-05-04

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604 30, 604 96, 604280, A61M 2500

Patent

active

052076555

ABSTRACT:
A medical-surgical tube having a major lumen defined by an inner periphery of a wall of the tube, an injection lumen within the wall of the tube, and at least one one-way valve in the wall. The valve allows fluid to flow from the injection lumen through an outer or inner periphery of the wall of the tube and prevents return of the fluid back into the injection lumen. The tube can include a plurality of spaced-apart valves. The valve can be a piercing in the wall of the tube which is defined by opposed surfaces resiliently biased against each other and extending from the injection lumen to the outer or inner periphery of the wall of the tube.

REFERENCES:
patent: 3981299 (1976-09-01), Murray
patent: 4657536 (1987-04-01), Dorman
patent: 4717379 (1988-01-01), Ekholmer
patent: 4995863 (1991-02-01), Nichols et al.
patent: 5004455 (1991-04-01), Greenwood et al.
patent: 5030210 (1991-07-01), Alchas
patent: 5147334 (1992-09-01), Moss

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