Pre-filled imaging catheter

Details Pre-filled imaging catheter Pre-filled imaging catheter

1993-10-06

1995-06-06

Jaworski, Francis

Surgery

Truss

Pad

A61B 812

Patent

active

054213347

ABSTRACT:
The present invention provides an improved imaging catheter which is pre-filled with a fluid suitable for the transmission of imaging signals. Such a catheter eliminates the need for the user to fill and flush the catheter with fluid prior to its use. A catheter according to the present invention may be stored in a container which itself contains fluid to prevent fluid loss. Some embodiments will include reservoirs to hold a supply of fluid to replace that lost, for example, to evaporation. In some embodiments, these reservoirs will further include means for applying pressure to the fluid contained therein so that new fluid is forced into the catheter to replace any fluid lost.

REFERENCES:
patent: 3880163 (1975-04-01), Ritterskamp
patent: 3993069 (1976-11-01), Buchler et al.
patent: 4375818 (1983-03-01), Suwaki et al.
patent: 4794931 (1989-01-01), Yock
patent: 4951677 (1990-08-01), Crowley et al.
patent: 5000185 (1991-03-01), Yock
patent: 5002059 (1991-03-01), Crowley et al.
patent: 5049130 (1991-09-01), Powell
patent: 5117831 (1992-06-01), Jang et al.
patent: 5121749 (1992-06-01), Nassi et al.
patent: 5190046 (1993-03-01), Shturman

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