Anticlotting device and method for use with IV catheters

Details Anticlotting device and method for use with IV catheters Anticlotting device and method for use with IV catheters

1992-02-18

1993-03-23

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604 84, A61M 500

Patent

active

051959674

ABSTRACT:
A method for use in an intravenous tube assembly comprises the steps of automatically monitoring liquid flow along a fluid flow path extending through an intravenous catheter to detect at least a partial cessation of flow along the fluid flow path and, upon detecting a diminution of liquid flow along the fluid flow path, automatically feeding an anticlotting agent to the fluid flow path. An assembly, for implementing the method takes the form of a pressure sensing device operatively connected to the catheter for automatically detecting at least a partial cessation of liquid flow along a fluid flow path extending through the catheter. The assembly also includes a feeder mechanism operatively connected to the catheter and the sensing device for automatically feeding an anticlotting agent to the fluid flow path through the catheter upon a detection by the sensing device of a diminution of liquid flow along the fluid flow path and, more particularly, of intravenous liquid flow in a distal direction into a patient's circulatory system.

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