Catheter assembly and related method

Details Catheter assembly and related method Catheter assembly and related method

1992-03-12

1993-09-07

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604171, 604 49, 604 54, A61M 2900

Patent

active

052423980

ABSTRACT:
A catheter assembly comprises a catheter and a sheath enclosing the catheter to preserve the sterility thereof, the sheath being provided with a plurality of fold lines which form accordion-like pleats to enable a collapse of the sheath at a point of insertion of the catheter into a patient. The sheath is provided at a distal end of the catheter with a flange for engaging a patient during an insertion of the catheter into the patient. A catheter assembly also comprises an anchor balloon attached to the catheter at a distal end thereof, an ancillary balloon attached to the catheter at a point spaced in a proximal direction from the anchor balloon, a tube connecting the ancillary balloon to the anchor balloon so as to enable communication therebetween, and a flow stop mounted to the catheter for preventing fluid from returning to the tube from the anchor balloon upon a pressurization of the anchor balloon with fluid forced from the tube by an application of pressure to the ancillary balloon. A hollow catheter plug defining a flash chamber and having a transparent wall is connected to the catheter at a proximal end thereof for communicating with the catheter. A valve is connected to the plug for preventing fluid flow from the flash chamber.

REFERENCES:
patent: 1120549 (1914-12-01), Schellberg
patent: 2936760 (1960-05-01), Gants
patent: 4062363 (1977-12-01), Bonner, Jr.
patent: 4327735 (1982-05-01), Hampson
patent: 4327736 (1982-05-01), Inoue
patent: 4710169 (1987-12-01), Christopher

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