Suction catheter
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United States of America Patent
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Mar 10, 1987
Grant Date -
N/A
app pub date -
Feb 14, 1985
filing date -
Jun 14, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A suction catheter for sucking body fluids at surgical operations. The catheter comprises an inner and an outer tube manufactured through a coextruding procedure and which form an integrated unit. The outside of the inner tube and/or the inside of the outer tube is provided with longitudinal profilings, which form channels between the inner and outer tube. The channels communicate with the ambient air and provide an air supply to the suction channel when the catheter opening is stopped up.
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