Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1990-01-31
1991-08-20
Pellegrino, Stephen C.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604107, 606198, A61M 2500
Patent
active
050410938
ABSTRACT:
A catheter to be used for the movement of fluids having means for maintaining the position of that catheter within a preselected location in the body. The device comprises an elongated flexible tubular member with a longitudinally extending lumen through it. An axially and radially elastically extensible, foraminous woven tube having two ends is disposed between the end of the tubular member and a tip, the tip being spaced from the tubular member. The foramina of the woven tube allow the free flow of fluids therethrough. The woven tube is translatable between three configurations: relaxed, extended and over-center. In the relaxed configuration the woven tube has predetermined length and a predetermined diameter, the predetermined diameter which is greater than the outer diameter of the tubular member and preferably an ovoid shape. In the extended configuration the woven tube has a length that is greater than the predetermined length, and further wherein when in the extended configuration, the outer diameter of the woven tube can assume a generally cylindrical shape. In the third configuration, the woven tube assumes an overcenter shape where it is doubled back on itself to form a cup- or disc-like shape.
REFERENCES:
patent: 3996938 (1976-12-01), Clark, III
patent: 4154242 (1979-05-01), Termanini
patent: 4571241 (1986-02-01), Christopher
patent: 4572186 (1986-02-01), Gould
patent: 4650466 (1987-03-01), Luther
patent: 4758219 (1988-07-01), Sacks
patent: 4819751 (1989-04-01), Shimada
patent: 4885003 (1989-12-01), Hillstead
patent: 4921484 (1990-05-01), Hillstead
Boston Scientific Corp.
Lewis Ralph A.
Pellegrino Stephen C.
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