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Drainage bags designed to collect, and in some cases, measure cerebrospinal fluid (CSF) that has been removed from the body. These devices usually consist of sterile plastic bags connected via sterile tubing to a catheter (e.g., ventricular catheter, lumbar catheter) that has been inserted into areas such as the lateral ventricles of the brain or the lumbar subarachnoid space. CSF drainage bags are typically used in conjunction with other components of an external closed CSF drainage system to drain CSF in various situations where drainage of CSF is warranted, for example, to manage intracranial pressure (ICP) or cerebral perfusion pressure (CPP) following certain types of surgery, following an acute head injury, or to manage certain conditions (e.g., hydrocephalus).
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