Patient Simulator Vascular System with Interchangeable Inserts
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Solution Overview
Problem
Current patient care training systems lack realism and versatility, failing to provide adequate hands-on practice without risking actual patients, and existing simulators do not fully replicate the complexity of clinical scenarios.
Innovation Solution
A patient simulator system incorporating interchangeable anatomical inserts and a computerized vascular system that mimics natural blood flow, allowing for realistic surgical training and team-based scenarios, including pulsatile arterial and steady venous flow, with integrated camera systems for debriefing and pre-programmed medical scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional simulators are used for training, then patient safety is ensured, but training realism and hands-on practice quality deteriorate
Solution Approach 1:
The patent creates a realistic copy of the human vascular system using silicone-based materials that replicate the physical properties, flow dynamics, and anatomical structure of real blood vessels. This allows trainees to practice on a faithful replica without risking actual patients, thus maintaining patient safety while improving training realism.
Solution Approach 2:
The simulator dynamically adjusts flow rate, pressure, and pulsatility parameters to match physiological conditions of real arteries and veins. By changing these physical parameters to reflect actual blood flow characteristics, the system provides authentic hands-on experience while maintaining safety through controlled simulation.
2Device complexity
If simple simulators are used, then device complexity is reduced, but training effectiveness and clinical scenario fidelity worsen
Solution Approach 1:
The system employs a hydraulic pump and pneumatic control mechanisms to generate realistic pulsatile flow in arterial simulations and steady flow in venous simulations. These fluid dynamics components add clinical fidelity without requiring excessive mechanical complexity, achieving effective training through sophisticated yet manageable hydraulic systems.
Solution Approach 2:
The vascular inserts are constructed from composite materials including silicone elastomers that mimic tissue properties, embedded fibers for structural integrity, and integrated sensors for feedback. This composite approach enables the simulator to achieve high training effectiveness while maintaining reasonable device complexity through material science rather than mechanical complexity.
3Adaptability or versatility
If detailed anatomical inserts are incorporated, then training versatility improves, but device complexity and manufacturing difficulty worsen
Solution Approach 1:
The vascular system is divided into separate, interchangeable inserts representing different anatomical regions (arteries, veins, capillaries, specific organ vasculature). Each insert can be independently manufactured and then assembled into the simulator, allowing high training versatility while simplifying manufacturing through modular production rather than creating one complex integrated system.
Solution Approach 2:
The simulator is designed with universal interfaces and standardized connection mechanisms that allow the same base unit to accommodate multiple different anatomical inserts. This multi-functionality approach enables a single device to provide diverse training scenarios, improving versatility without proportionally increasing manufacturing complexity, as the core structure remains constant while only the interchangeable inserts vary.
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
Enables comprehensive and realistic medical and surgical skill training in a safe environment, allowing multiple users to practice complex procedures with realistic tactile feedback and simulation of various clinical scenarios, enhancing educational effectiveness and patient safety.
Implementation Method 1
the simulated vascular system is adapted to provide a pulsatile flow of the blood-like fluid to the simulated artery
Implementation Method 2
a steady flow of the blood-like fluid to the simulated vein
Implementation Method 3
the simulated vascular system is adapted to pressurize the simulated artery and the simulated vein with a blood-like fluid
Data Source
AI summary
Devices, systems, and methods appropriate for use in medical training using a patient simulator and various anatomical inserts. One such system generally includes a patient simulator and an anatomical insert, the patient simulator including a simulated vascular system, and the anatomical insert being fluidically couplable to the simulated vascular system and including a simulated artery and a simulated vein. When the anatomical insert is fluidically coupled to the simulated vascular system, the simulated vascular system is adapted to pressurize the simulated artery and the simulated vein with a blood-like fluid to simulate natural arteries and veins. Moreover, when the simulated vascular system pressurizes the simulated artery and the simulated vein with the blood-like fluid, the simulated vascular system is adapted to provide a pulsatile flow of the blood-like fluid to the simulated artery and a steady flow of the blood-like fluid to the simulated vein.