Hydrogel Torso Simulator for Central Line Training
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Solution Overview
Problem
Current medical training simulators lack effective tools for practicing and assessing procedures like central line procedures, which require precise skills and carry significant risks, and there is a need for simulators that provide reliable feedback on performance quality.
Innovation Solution
Development of an anatomical simulation training device using hydrogel materials to create realistic models of human tissues, allowing for the simulation of procedures like central line insertion, with replaceable components and integrated pumps for fluid circulation, mimicking the physical characteristics of human tissues and vasculature.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional medical training methods are used for central line procedures, then practitioners can gain clinical experience, but the risk of serious complications and clinical errors increases due to lack of adequate training
Solution Approach 1:
The patent creates a realistic copy of human tissue using hydrogel material that mimics the physical properties, texture, and behavior of actual human tissue. This allows practitioners to practice central line procedures on a lifelike model without risking patient safety, thereby improving training effectiveness while eliminating clinical errors associated with inadequate training
Solution Approach 2:
The hydrogel material's physical parameters (viscosity, elasticity, flow characteristics) are specifically engineered to match human tissue parameters. This parameter matching enables realistic simulation of tissue behavior during needle insertion and catheter placement, providing authentic tactile feedback and procedural resistance that traditional training models cannot replicate
2Manufacturing precision
If realistic anatomical models are created using hydrogel materials, then the training realism and tissue simulation improve, but the manufacturing complexity and cost increase
Solution Approach 1:
By adjusting the hydrogel formulation parameters (polymer concentration, crosslinking density, water content), the material can be tuned to replicate specific tissue properties without requiring complex multi-component systems. This achieves high manufacturing precision in tissue simulation while maintaining relatively simple material preparation and molding processes
Solution Approach 2:
The use of hydrogel as a composite material (polymer network + water + additives) provides a versatile platform for simulating different tissue types by modifying composition rather than structure. This allows a single base material system to achieve high realism across various anatomical sites without proportionally increasing device complexity
3Adaptability or versatility
If replaceable components are implemented in the training device, then the adaptability and reusability improve, but the device complexity and assembly requirements increase
Solution Approach 1:
The training device is divided into modular segments (skin layer, subcutaneous tissue, vessel structures, catheter components) that can be independently replaced or reconfigured. This segmentation enables adaptability for different procedure types and skill levels while using standardized connection interfaces that minimize assembly complexity
Solution Approach 2:
The replaceable components are designed with universal interfaces and standardized dimensions that allow the same base model to support multiple training scenarios. A single framework can accommodate different vessel types, depths, and procedural variations through component swaps rather than requiring entirely different device assemblies
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 device provides a cost-effective and realistic training environment for medical professionals to practice and assess procedures, reducing the risk of errors by simulating the feel and behavior of human tissues and vasculature, with the ability to replace components and provide fluid circulation, enhancing the training experience.
Implementation Method 1
anatomical simulators have been developed for training and assessment of medical students, nursing students, medics and practitioners
Implementation Method 2
mimicking the physical characteristics of human tissues and vasculature
Implementation Method 3
integrated pumps for fluid circulation, mimicking the physical characteristics of human tissues and vasculature
Data Source
AI summary
An anatomical simulation training device is disclosed in an embodiment herein. The anatomical device includes an anatomical model comprising a quadrant of a torso. The model includes a first opening and a second opening, wherein a first passageway connects between the first and the second opening. The model further includes a third opening, wherein a second passageway connects between the third opening and the second opening. The first passageway is configured to receive a first conduit, and the second passageway is configured to receive a second conduit. The first and second conduits are removable and replaceable. The model is comprised of, in part or in whole, a hydrogel, and said model quadrant torso mimics at least a portion of a human or non-human animal quadrant torso, and simulates at least one predetermined physical characteristic of a human or non-human animal torso with at least fifty percent or more similarity.