Catheter

Details Catheter Catheter

1986-06-25

1988-01-05

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604265, 604 2, A61M 5325, A61M 3500

Patent

active

047173874

ABSTRACT:
A catheter or fiberscope for the inspection of an intracardiac area or the like is proposed which has a flexible tube and a balloon mounted on its end. The flexible tube is divided into four passageways, i.e. two fluid passageways and an illumination light transmission line and an image transmission line. A flush of a physiological saline solution is spouted from one fluid passageway outside of the balloon to form a visual field without interfering natural movement of the area to be inspected. A catheter for dissolving a thrombus is also proposed which has a porous tube, instead of a balloon, at its end portion.

REFERENCES:
patent: 1687472 (1928-10-01), Dorman et al.
patent: 2218738 (1940-10-01), Boysen
patent: 2759209 (1956-08-01), Ferrari
patent: 3369543 (1968-02-01), Ronco
patent: 3614245 (1971-10-01), Schwartzman
patent: 3938898 (1976-02-01), Reitknecht
patent: 3965909 (1976-06-01), Waddell et al.
patent: 4165942 (1979-08-01), Johansson
patent: 4183328 (1980-01-01), Lawrence
patent: 4480940 (1984-11-01), Woodruff
patent: 4578055 (1986-03-01), Fischer

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