Shunt System with Universal Chamber for Intracranial Pressure Management
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Solution Overview
Problem
Current shunt systems for removing excess cerebrospinal fluid are limited in their ability to manage fluid flow and pressure dynamics within the brain, particularly in conditions like hydrocephalus, and lack versatility for use with other fluids or applications.
Innovation Solution
A shunt system comprising a first catheter extending into a lateral ventricle, a shunt body with a chamber and flanges for secure skull mounting, and a second catheter for fluid diversion to the subarachnoid space or subgaleal pocket, allowing for continuous fluid recirculation or removal without surgical interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional shunt system is used to remove excess cerebrospinal fluid, then intracranial pressure is reduced, but the system lacks versatility for use with other fluids or applications
Solution Approach 1:
The shunt system is designed with a universal chamber and catheter configuration that can handle different fluid types and applications. The chamber serves as a common interface for multiple catheters, allowing the system to adapt between cerebrospinal fluid management, other body fluid drainage, and potential therapeutic infusions, thereby achieving multi-functionality while maintaining reliability through proven shunt technology
2Productivity
If a shunt system with multiple catheters and chambers is implemented, then fluid flow management and recirculation capabilities are improved, but device complexity increases
Solution Approach 1:
The system merges multiple functions into a single integrated chamber structure that receives fluid from the first catheter and can simultaneously or sequentially direct it to multiple destinations. This consolidation reduces the number of separate components needed while maintaining advanced fluid flow management and recirculation capabilities
Solution Approach 2:
The shunt body is segmented into distinct functional zones within the chamber, with separate openings and catheter connection points that allow independent control of fluid pathways. This segmentation enables complex fluid management while keeping each individual component simple and manufacturable
3Reliability
If flanges are integrated into the shunt design for secure skull mounting, then fixation reliability is improved, but the device requires more invasive skull preparation
Solution Approach 1:
The flanges are pre-integrated into the shunt body design during manufacturing, eliminating the need for separate fixation components or complex implantation procedures. The skull hole is prepared to specific dimensions that directly receive the flanges, and the flanges are already in position to provide immediate secure mounting upon implantation, simplifying both manufacturing and surgical procedures
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively reduces intracranial pressure by allowing cerebrospinal fluid to recirculate or be absorbed, and can be adapted for use with other fluids and applications, providing a durable and efficient solution for managing excess cerebrospinal fluid and other medical needs.
Implementation Method 1
fluid entering the chamber from the first catheter can simultaneously exit the chamber through the at least one chamber opening
Data Source
AI summary
A shunt device for directing fluid from a human head, and methods thereof are provided herein. The device can be mounted at a skull and include a first catheter that extends into a portion of the head such as a lateral ventricle. The first catheter can covey fluid through, and past a valve to a shunt body. The shunt body can include openings, allowing the fluid to reenter the head, for example at the subarachnoid space. The shunt body can also include other openings that can be associated with a second catheter. Fluid can thus also be conveyed out of the body or to a subgaleal pocket.