Gastro-intestinal tube guide and stiffener
First Claim
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1. A guide for introducing a tubular device into a selected body passageway comprising an elongated core member of flexible base material consisting of a plurality of threads and a soluble coating on said base material, said coating characterized in its undissolved state by being less flexible than said tubular device flexible base material.
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Abstract
A device for use in inserting soft and flexible tubular devices into a body passageways, said device characterized by being formed from a flexible base, such as multiple-strand nylon thread and having deposited upon said flexible base a soluble material such as gelatin, said soluble material characterized by being less flexible than said base in its undissolved state.
84 Citations
5 Claims
- 1. A guide for introducing a tubular device into a selected body passageway comprising an elongated core member of flexible base material consisting of a plurality of threads and a soluble coating on said base material, said coating characterized in its undissolved state by being less flexible than said tubular device flexible base material.
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5. A method for making a guide for inserting a tubular device into a selected body passageway consisting of coating a flexible base material comprising a plurality of threads with a less flexible soluble material while twisting said threads, to form a plurality of areas of said guide of slightly enlarged diameter.
Specification