New design principle could prevent catheter failure in brain shunts – MIT News

This is a time-lapse microscopic image of particle-based flow visualization inside a ventricular catheter. The image shows the confluence of three flows: the upstream flow coming from the catheter tip direction and two flows coming in via holes facing each other.
Image courtesy of Bourouiba Research Group.

For medical professionals treating hydrocephalus — a chronic neurological condition caused by an abnormal accumulation of cerebrospinal fluid (CSF), resulting in pressure on the brain — there have been a limited range of treatment options. The most common is the surgical placement of a medical device called a shunt, a sort of flexible tube, which is placed in the ventricular system of the brain, diverting the flow of CSF from the brain to elsewhere in the body.

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