It’s placed under your scalp during a short surgery. It has a catheter that connects to the intrathecal space. Getting chemo this way is like getting it through an IV port elsewhere in the body.

4yrs: not established. ≥4yrs: Give test dose 1 st by intrathecal inj via spinal catheter or lumbar puncture (see full labeling for dose and timing; use 50mcg/mL syringe). Dose titration ...

Percutaneous intrathecal catheter: 1–2mL of 20% soln or 2–4mL of 10% soln every 1–4 hours given by syringe attached to catheter. Diagnostic bronchograms: Two or three administrations of 1– ...