Herringbone cap and pretreatment method for perfusion equipment using the herringbone cap

摘要

A spike cap (1) for a perfusion spike, comprising: an opening (1c); an insertion port (1a) for the spike; a cap (1d) for closing said opening (1c) on the outside of said opening, characterized in that the cap (1) further comprises a hydrophobic filter (1b) arranged in an inward location from where the tip of the spike is inserted into inside the cap (1), the filter (1b) that is configured not to allow solids or liquids to pass through, but to allow gas to pass through inside the cap, so that only the Gas can pass to the outside of the cap through the opening (1c).