Tubular medical device and method of making and using the same

Details Tubular medical device and method of making and using the same Tubular medical device and method of making and using the same

1983-11-18

1989-09-05

Thaler, Michael H.

Surgery

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

Treating material introduced into or removed from body...

604103, 604247, 604266, 604270, 604271, 604282, A61M 2902

Patent

active

048634247

ABSTRACT:
This invention relates generally to a tubular medical device, and more particularly to a tubular medical device for fluid feeding to or fluid drainage from a body cavity. The invention describes both a device and a method of making a device that comprises an elongated flexible primary tube forming a lumen having an open end, a secondary tube concentrically surrounding and spaced from the primary tube and extending between the open end and a position spaced from the open end. The primary and secondary tubes have an integral joining portion at the open end. The primary and secondary tubes form a chamber that is sealably closed and filled with a heavy metal so that a weighted tip element, or bolus is formed. Alternatively, the chamber may be pressurized and expanded to form a balloon element by way of a side tube affixed to the primary tube and connected at one end to a source of pressurized air and at the other end to a position within the chamber.

REFERENCES:
patent: 2819718 (1958-01-01), Goldman
patent: 3058472 (1962-10-01), Thornton
patent: 4119094 (1978-10-01), Micklus et al.
patent: 4410320 (1983-10-01), Dykstra et al.
patent: 4419095 (1983-12-01), Mebergall et al.

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