Patent ID: 9687628
Date: 2017-06-27
CPC Classifications: A61F,A61M

Claim:
1. A catheter tube with two ends, adapted for connecting to a catheter at a first end and to a urine collection bag at a second end, wherein said catheter tube comprises a tube having an inner diameter of less than six millimeters, said tube having an inner surface which is hydrophobic and polished along at least a first segment of said tube, such that said tube conveys a column of fluid held by a meniscus of said column of fluid from said catheter to said collection bag without interruption by eliminating substantially all air traps in said tube during operation, wherein said tube comprises an ascending portion having a first vertical height and a descending portion having a second vertical height, and a difference between said first vertical height and said second vertical height is less than 60 millimeters.