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Mechanic and surface properties of central-venous port catheters after removal: A comparison of polyurethane and silicon rubber materials

Braun, Ulrike ; Lorenz, Edelgard ; Weimann, Christiane ; Sturm, Heinz ; Karimov, Ilham ; Ettl, Johannes ; Meier, Reinhard ; Wohlgemuth, Walter A. ; Berger, Hermann ; Wildgruber, Moritz


Central venous port devices made of two different polymeric materials, thermoplastic polyurethane (TPU) and silicone rubber (SiR), were compared due their material properties. Both naive catheters as well as catheters after removal from patients were investigated. In lab experiments the influence of various chemo-therapeutic solutions on material properties was investigated, whereas the samples ...


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