Method and apparatus for uninterrupted delivery of radiographic

Details Method and apparatus for uninterrupted delivery of radiographic Method and apparatus for uninterrupted delivery of radiographic

1998-04-08

1999-06-15

Stright, Ronald

Surgery

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

Treating material introduced into or removed from body...

604 53, 604125, 604247, A61M 5178

Patent

active

059117087

ABSTRACT:
A method and apparatus for injecting radiographic dye during angiography. A deformable holding chamber is interposed between a contrast dye bottle and a syringe manifold. A one-way valve and an integral disconnect/flow-stop are connected between the bottle and the holding chamber. A vent is provided in the holding chamber, which can include a second one-way valve. Squeezing and releasing the deformable chamber fills the chamber from the bottle. The holding chamber contains a floating baffle which acts as a shut off valve by plugging the chamber outlet if the chamber becomes empty. The syringe is used to withdraw dye from the holding chamber. If dye remains in the bottle after performance of the procedure, the disconnect/flow-stop fitting can be disconnected, and the dye can be saved.

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