Intrathecal Catheter for Mouse. 5.5cm Polyurethane catheter with a 32G tip. Sterile. Access with 22G blunt needle (such as B22-50). Catheters may be used for intrathecal (IT) delivery or sampling in mice. SAI offers a range of catheters and cannula for the collection of CSF and for the administration of compounds to the intrathecal space in mice, rats, canines, primates and sheep. Draw cerebrospinal fluid, or perform intrathecal infusion in the subarachnoid space with these reinforced catheters.PTFE coated stylet slides smoothly out of catheterReinforced tubing junction minimizes kinking at exit point from intrathecal spaceProduct is for laboratory animal research only.