Method and tube equipment for supplying fluid to a space and dra

Details Method and tube equipment for supplying fluid to a space and dra Method and tube equipment for supplying fluid to a space and dra

1987-08-28

1989-12-19

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604281, A61M 2500

Patent

active

048879967

ABSTRACT:
A space communicating with the atmosphere via a cavity and a passage is supplied with a fluid or drained by means of a tube made of a flexible elastic material and having a tendency to coil up. Upon insertion into said space, the tube is first held in a straightened-out condition by means of a guide of flexible but unelastic material which is introduced into said tube and then withdrawn therefrom to permit the tube to coil up within the cavity and to be conveyed into the space by a substance supplied to the cavity. The method can be used advantageously for supplying a drug or nutriment directly to the intestine by conducting the tube in its straightened-out condition through the nose, the throat and the gullet down into the stomach where it is allowed to coil up in order to be transported into the intestine by normal ingestion of the food.
The tube employed for carrying the method into effect consists of a flexible plastic or rubber material and tends to coil up with a predetermined force, the guide consisting of flexible but unelastic material and tending to straighten itself out with a force exceeding the coiling-up force of the tube.

REFERENCES:
patent: 4169464 (1979-10-01), Obrez
patent: 4307723 (1981-12-01), Finney
patent: 4531933 (1985-07-01), Norton et al.
patent: 4568338 (1986-02-01), Todd
patent: 4694838 (1987-09-01), Wijayarthna

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