Dual lumen catheter with controlled antegrade and retrograde flu

Details Dual lumen catheter with controlled antegrade and retrograde flu Dual lumen catheter with controlled antegrade and retrograde flu

1996-06-17

1998-10-27

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604 96, 604249, 604280, A61M 500

Patent

active

058272372

ABSTRACT:
A catheter device regulates fluid flow within a circulatory vessel. Included is an elongated catheter body configured to access one of a circulatory vessel or a heart chamber. The catheter body includes a proximal end, a distal end, and a first lumen including an open proximal end and a distal end with a port formed at a distal portion of the distal end. A second lumen is also included in the catheter body with an open proximal end. An antegrade valve is coupled to an exterior of the catheter body and configured to provide a controllable antegrade flow and a controllable retrograde flow along the exterior of the catheter body. The antegrade flow is greater than the retrograde flow. A retrograde valve may be included which provides a controllable retrograde and antegrade flow along the exterior of the catheter body. When a retrograde valve is used, the retrograde flow is greater than the antegrade flow.

REFERENCES:
patent: 3592184 (1971-07-01), Watkins et al.
patent: 3769983 (1973-11-01), Meran
patent: 3995617 (1976-12-01), Watkins et al.
patent: 4056854 (1977-11-01), Boretos et al.
patent: 4407271 (1983-10-01), Schiff
patent: 4785795 (1988-11-01), Singh

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