Blind Insertion Ventilation Device with Thoracic Pressure Feedback
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Solution Overview
Problem
Conventional intubation devices pose risks of improper placement, leading to potential neurological damage or death, and require skilled training, while also complicating assisted ventilation during cardiac arrest, as they often result in hyperventilation and reduced effectiveness of chest compressions due to inadequate timing of air delivery.
Innovation Solution
A ventilation device and system that allows for blind insertion and automatic adjustment of ventilation based on pressure changes within the thoracic cavity, enabling minimally trained individuals to position an advanced airway, with a pressure sensor and control system to optimize ventilation timing and prevent hyperventilation, and integrate with existing medical equipment for improved CPR efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional intubation devices are used, then assisted ventilation can be provided, but the risk of improper placement increases leading to neurological damage or death
Solution Approach 1:
The patent incorporates sensors that detect whether the device is properly positioned in the trachea or esophagus and provide real-time feedback to the user. The system includes indicators that change based on detection results, allowing immediate correction of improper placement before ventilation begins, thereby preventing neurological damage while maintaining reliable ventilation function
Solution Approach 2:
The patent replaces purely mechanical placement methods with sensor-based detection systems that use electrical or optical signals to determine device position. This substitution of mechanical reliance with sensor feedback enables more accurate and safer placement without increasing the risk of harmful effects
2Reliability
If conventional intubation devices are used, then ventilation can be achieved, but skilled training is required increasing the complexity of operation
Solution Approach 1:
The patent implements self-aligning and self-verifying features where the device automatically positions itself through mechanical design elements and confirms proper placement through sensor feedback without requiring extensive training. The system performs its own alignment and verification functions, reducing the skill level needed while maintaining reliable ventilation effectiveness
Solution Approach 2:
The patent uses visual indicators that change color or appearance based on device position and operational status. These color-change indicators provide immediate visual feedback to users about proper placement and system functionality, eliminating the need for complex training while ensuring reliable ventilation through intuitive visual guidance
3Productivity
If manual ventilation timing is used during CPR, then ventilation can be provided, but hyperventilation occurs reducing the effectiveness of chest compressions
Solution Approach 1:
The patent implements automatic periodic ventilation timing that synchronizes with chest compression cycles. The system delivers ventilation at predetermined intervals aligned with the compression rate, preventing hyperventilation by ensuring ventilation occurs only when the thoracic cavity is in the appropriate phase of compression, thereby maintaining high productivity while eliminating harmful hyperventilation effects
Solution Approach 2:
The patent uses sensors to detect thoracic cavity conditions and provides feedback control for ventilation timing. The system monitors compression phase and adjusts ventilation delivery accordingly, automatically preventing hyperventilation while maintaining optimal ventilation rate through continuous feedback-based timing control
4Productivity
If pressure sensor detection is implemented, then ventilation timing can be optimized, but device complexity increases
Solution Approach 1:
The patent designs the pressure sensor system to serve multiple functions: detecting thoracic cavity pressure changes for ventilation timing, monitoring device placement position, and providing feedback for compression effectiveness. This multi-functionality allows the same sensor components to optimize CPR efficiency while minimizing the increase in overall device complexity through versatile component usage
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 enables effective ventilation and minimizes the risk of improper placement, allowing for efficient oxygenation and circulation during CPR by automatically adjusting ventilation to match chest compressions, thus improving patient outcomes with reduced need for skilled training.
Implementation Method 1
a pressure sensor configured to detect pressure changes within the body passage
Implementation Method 2
the control system is configured to deliver a bolus of air into an airway the individual at a pre-determined rate
Data Source
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AI summary
Devices and methods for allowing for improved assisted ventilation of a patient. The methods and devices provide a number of benefits over conventional approaches for assisted ventilation. For example, the methods and devices described herein permit blind insertion of a device that can allow ventilation regardless of whether the device is positioned within a trachea or an esophagus. In addition, the methods and device allow for timed delivery of ventilations based on a condition of a thoracic cavity to increase the amount and efficiency of blood flow during a resuscitation procedure.