title: Investigation of fatigue failure of S-65-HL "Super Tygon" roller pump tubing.
abstract: A failure analysis was performed on Norton S-65-HL Tygon tubing. Fatigue testing was performed on four sizes of this tubing, and essentially showed how the tubing wears out. A dynamic "life hours to failure" test, which was performed on the 3/8" internal diameter (ID) size, quantified when the tubing ruptured. Based on results of laboratory testing and the institution's clinical extracorporeal membrane oxygenation (ECMO) experience, a reasonable life expectancy for the 3/8" S-65-HL Tygon size was determined for use in this institution's neonatal ECMO system. An understanding of the expected performance of roller pump tubing-an integral component of the ECMO system-is imperative to providing safe, effective extracorporeal life support.
authors.affiliation: Thomas Jefferson University Hospital, Department of Biomedical Instrumentation, Philadelphia, PA 19107, USA.
authors.forename: E J
authors.initials: EJ
authors.lastname: Snyder
authors.forename: D L
authors.initials: DL
authors.lastname: McElwee
authors.forename: H M
authors.initials: HM
authors.lastname: Harb
authors.forename: J A
authors.initials: JA
authors.lastname: Cullen
authors.forename: I S
authors.initials: IS
authors.lastname: Tackel
authors.forename: S
authors.initials: S
authors.lastname: Baumgart
authors.forename: B
authors.initials: B
authors.lastname: Iskandarani
authors.forename: A
authors.initials: A
authors.lastname: Elkind
authors.forename: M
authors.initials: M
authors.lastname: Shaker
mesh_terms: D004548:Elasticity; D004868:Equipment Failure; D005112:Extracorporeal Circulation / Q000295:instrumentation; D015199:Extracorporeal Membrane Oxygenation / Q000295:instrumentation*; D006801:Humans; D007231:Infant, Newborn; D015931:Intensive Care, Neonatal; D007440:Intubation / Q000295:instrumentation*; D008020:Life Support Care / Q000295:instrumentation; D008422:Materials Testing; D013314:Stress, Mechanical; D013499:Surface Properties; D013718:Tensile Strength; D013997:Time Factors