Fig. 1From: Use of the Cascade expandable net to treat cerebral vasospasm – initial clinical experience from a single centre with in vitro benchside testsThe H5KT (Tinius Olsen, Horsham, PA, USA) tensile machine connected to two interlocking combed plates (Fig. 1A and B) was used to determine the COF. Each of the devices were placed into the aperture created by the two interlocking plates Fig. 1C). Device set-up to test the force generated by the different devices when inserted into ‘cylinders’ of varying diameter is shown in Figs. 1D and EBack to article page