Dual valve detachable occlusion balloon and over-the-wire delive

Details Dual valve detachable occlusion balloon and over-the-wire delive Dual valve detachable occlusion balloon and over-the-wire delive

1997-03-05

1998-07-14

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

606195, A61M 2900

Patent

active

057796726

ABSTRACT:
Dual valve detachable occlusion balloon for use in an artificial vessel embolization for using a delivery catheter adapted to receive a fluid for inflating the balloon. The delivery catheter has proximal and distal extremities and a flow lumen extending from the proximal extremity to the distal extremity and has a balloon inflation orifice in the distal extremity in communication with the flow lumen. The valve comprises a cylindrical body of an elastomeric material having first and second open ends and a bore extending between the first and second open ends. A first valve is mounted in the first end of the cylindrical body. A second valve is mounted in the second end of the cylindrical body. The first and second valves face in opposite directions in the bore. The first and second valves are in a normally sealed position to prevent the escape a fluid under pressure in the bore of the cylindrical body. The first and second valves are formed to permit movement to an open position to permit the delivery catheter to be inserted therethrough and form a substantially fluid-tight seal therewith with the balloon inflation orifice being disposed in the bore between the first and second valves so that fluid introduced into the bore through the delivery catheter to inflate the balloon cannot escape. The valves are formed to move to a closed sealing position upon removal of the delivery catheter from the balloon.

REFERENCES:
patent: 4364392 (1982-12-01), Strother et al.
patent: 4545367 (1985-10-01), Tucci
patent: 4819637 (1989-04-01), Dormandy, Jr. et al.
patent: 5181921 (1993-01-01), Makita et al.
patent: 5222970 (1993-06-01), Reeves
patent: 5304123 (1994-04-01), Atala et al.

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