| Issue |
J Extra Corpor Technol
Volume 14, Number 3, June 1982
|
|
|---|---|---|
| Page(s) | 385 - 390 | |
| DOI | https://doi.org/10.1051/ject/1982143385 | |
| Published online | 22 September 2023 | |
Proceedings
Comparison Study of Connector and Tubing Blow-Off Line Pressures
UCLA Medical Center, Department of Surgery, Division of Thoracic Surgery
* Direct communications to: ATTN: Jerry D. Leaf, UCLA Medical Center, Division of Thoracic Surgery, Room 82-393, Bldg. MDCC, Los Angeles, CA 90024
Revised:
February
1982
Accepted:
31
March
1982
The purpose of this study is to compare the blow-off pressure of a selection of connectors, tubing and tubing attachment techniques currently available for construction of extracorporeal circuits.
Each connector and tubing combination was filled with H2O and sealed at both ends. Hydrostatic pressure was increased, through a leur side port, until a pressure drop indicated connection failure. Line pressure, P.S.I., was measured with a hydrostatic gauge through a second luer side port.
Blow-off line pressures were inversely proportional to connector and tubing diameter, and directly proportional to tubing wall thickness. Bentley, Cobe, Gics and Shiley connectors were ranked in accordance with blow-off line pressures generated on Bentley, Harvey and Tygon tubing.
© 1982 AMSECT
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