Head Up CPR Device with Integrated Ventilation
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Solution Overview
Problem
Current CPR methods, especially out-of-hospital treatments, are inadequate in achieving high neurologically intact survival rates due to inefficiencies in blood flow to the brain and risks to responders, with conventional CPR providing less than 10% of pre-arrest cerebral perfusion pressures and exposing responders to unnecessary risks.
Innovation Solution
The development of comprehensive Head Up CPR systems that integrate chest compression devices, positive pressure ventilation, and intrathoracic pressure regulation, synchronized with CPR cycles, to enhance cerebral perfusion and reduce exposure risks through automated and controlled delivery of resuscitation efforts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional CPR and manual ventilation are used, then responders can provide basic life support, but cerebral perfusion pressure remains less than 10% of pre-arrest levels and survival rates are insufficient
Solution Approach 1:
The patent combines multiple resuscitation functions (chest compression, active decompression, positive pressure ventilation, and head elevation) into a single integrated automated CPR device. This merging of functions allows the system to simultaneously optimize cerebral perfusion through coordinated action of all components, achieving reliable survival outcomes that exceed conventional CPR capabilities.
Solution Approach 2:
The patent replaces manual mechanical CPR and ventilation with an automated mechanical system that delivers precisely controlled chest compressions, active decompressions, and synchronized positive pressure breaths. This substitution eliminates human error and ensures consistent delivery of optimal cerebral perfusion pressure.
2Ease of operation
If manual CPR and ventilation are performed, then responders can treat patients, but responders are exposed to airborne disease transmission risks
Solution Approach 1:
The automated CPR device replaces manual ventilation with an integrated positive pressure ventilation system that delivers breaths through a sealed interface. This eliminates the need for responders to maintain direct contact with the patient's airway, significantly reducing exposure to airborne pathogens while maintaining full treatment capability.
Solution Approach 2:
The patent introduces a sealed ventilation interface and tubing system as an intermediary between the responder and patient airway. This intermediary allows ventilation to be delivered without direct responder contact with the patient's respiratory tract, protecting against airborne disease transmission.
3Productivity
If conventional CPR is performed without active decompression, then chest compressions can be delivered, but incomplete chest wall recoil reduces ventilation efficiency
Solution Approach 1:
The patent merges chest compression and active decompression functions into a single automated device with integrated mechanisms. The system uses a unified mechanical structure that performs both compression and active recoil phases, simplifying the overall system while improving ventilation efficiency compared to manual methods.
Solution Approach 2:
The patent replaces passive chest wall recoil with an active mechanical decompression system that actively pulls the chest wall outward after compression. This substitution ensures complete chest expansion and optimal ventilation efficiency through mechanically controlled decompression forces.
4Reliability
If positive pressure ventilation is delivered without synchronization, then ventilation can be provided, but hyperventilation and improper timing reduce survival outcomes
Solution Approach 1:
The automated CPR device incorporates feedback mechanisms that detect the compression phase timing and use this information to synchronize positive pressure ventilation delivery. The system monitors compression cycles and automatically times ventilator breaths to occur during appropriate phases, eliminating hyperventilation and ensuring optimal survival outcomes.
Solution Approach 2:
The patent replaces manual ventilation timing and control with an automated synchronization system that electronically coordinates breath delivery with compression phases. This substitution eliminates human error in ventilation timing and ensures consistent, optimal ventilation control for improved survival outcomes.
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
These systems significantly improve cerebral perfusion pressures, increase systemic and cerebral blood flow, and enhance survival rates by normalizing brain blood flow and reducing intracranial pressure, while also reducing the risk of airborne disease transmission for responders.
Implementation Method 1
elevate a patient's upper body
Implementation Method 2
chest compression device
Implementation Method 3
positive pressure ventilation system
Data Source
AI summary
A head up CPR system may include a base and an upper support coupled with the base and configured to elevate a patient's upper body. The system may include a chest compression device that is coupleable with one or both of the base and the upper support and a positive pressure ventilation system that is coupleable with the base.