Figure 4

Membrane placement procedure. The sequence from left to right illustrates the membrane placement process. Initially, the membrane placement tool is shown with the condom mounted on it. Next, the tool, with the condom secured, is positioned onto the probe tip. The third image depicts the final positioning of the tool to ensure the condom is correctly placed. Following this, with the vacuum activated, the membrane is shown positioned over the tip as the tool is removed. The final image shows the condom properly placed on the probe tip.