Transport catheter and multiple probe analysis method
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United States of America Patent
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Sep 21, 1993
Grant Date -
N/A
app pub date -
Nov 8, 1991
filing date -
Nov 8, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of sequentially analyzing various body conditions with a plurality of probes is disclosed. Also disclosed, is a catheter which can be used to practice the method. The catheter has several independent lumens extending longitudinally therethrough for accepting probes and for introducing fluid therethrough and into a body cavity. The catheter outer body has a cross-sectional maximum outer dimension. The first lumen is circular in cross-section, and has a cross-sectional dimension of approximately half the maximum outer dimension of the catheter body. The first lumen is capable of accepting various probes, as well as allowing simultaneous fluid flow through the lumen. The second lumen is crescent-shaped in cross-section and occupies at least a quarter of an arc around the cross-section of the catheter body. The large cross-section of the second lumen allows for a high fluid flow rate through the lumen. The third lumen allows for inflation of an inflation balloon (when present), and the fourth lumen allows for the passing of a portion of an instrument along the length of the lumen.
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