External Ventricular Drains Tunneling Model

Simplified to the Essential Elements

The Challenge:

Integra Life Sciences had previously hired another vendor to create a cerebral spinal fluid catheter tunneling model but the skin did not feel life-like so they called Pulse Medical Demonstration Models.  The client also required the skin to fit securely over a portion of the skull, for it to be removable and most importantly, allow their silicone catheters to pass easily underneath the skin.


Model Design and Development:

The skin was designed to have a large lip around the bottom edge so it would be easily stretched over the edge of the skull.  CAD data was created for the skin geometry using scanned data of the stock skull piece to insure a perfect fit.  Materials were sourced and tested for skin-like feel, stretch, durability and lubricity.  Additionally, Pulse MDM selected material that would not propagate a tear at the permanent incision made in the skin to insure the demonstration model’s durability during repeated use.

Submitted samples were provide to the client for review and final selection.


Model Solution:

Medical device professionals want a model that works for them, not a model they need to work at to get the best result.  The best medical demonstration models are silent partners that work flawlessly, allowing the sale rep to focus on the story they are telling.  The final model is paired down to only the essential elements required to demonstrate the tunneling procedure, making to both convenient and economical.  It is life-like in feel, durable for repeated use and professional looking which reflect well on the Integra brand and shows the company’s commitment to education.

Ventricular Catheters


Although this custom model is not available for sale to the public, we are delighted to make you a version that is specific to your unique medical device and procedure. Please use this link to start the process of receiving a model concept; a visual representation of how clinicians and patients will experience your product and procedure. Pulse MDM does not charge for model concepts or the conversations around them so there is no risk to see how we can help you to tell your story in the most engaging and memorable way possible.

External Ventricular Drain Tunneling Procedure Overview:

Tunneling is when two incisions are made in the skin near the top of the head and a catheter is introduced through the lateral incision and fed to the proximal incision. A hole is made to the ventricles from the proximal incision and the catheter is tunneled into the ventricle.  Tunneling allows the catheter to exit at a remote location to reduce the occurrence of infection at the site where the catheter enters the ventricles.


Exterior Ventricular Drains