Integrated IPPV Ventilator Control for Hyperinflation Management
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Solution Overview
Problem
Current pressure control and volume control ventilation systems do not effectively integrate intra-pulmonary percussive ventilation therapy, leading to hyperinflation and requiring manual adjustments, which complicates the delivery of breathable gas and mucus clearance in patients.
Innovation Solution
A pressure or flow generator system with sensors and processors that automatically control the delivery of a pressurized flow of breathable gas, incorporating a therapy module for baseline ventilation, a percussive pulse module for intra-pulmonary percussive ventilation, and an alarm module to manage hyperinflation limits, ensuring controlled and monitored therapy delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If intra-pulmonary percussive ventilation is delivered using a standalone device external to the ventilator, then mucus clearance is improved, but hyperinflation occurs due to additional tidal volume delivery
Solution Approach 1:
The patent combines the IPPV delivery system with the ventilator into a single integrated system. The ventilator is configured to deliver both baseline ventilation and IPPV therapy through the same patient circuit, eliminating the need for external standalone devices. This integration allows the system to control and coordinate both ventilation modes, preventing hyperinflation by managing total tidal volume delivery while maintaining effective mucus clearance through coordinated IPPV bursts.
Solution Approach 2:
The integrated system incorporates feedback control mechanisms where the ventilator monitors and adjusts IPPV delivery parameters based on patient response and baseline ventilation status. The system can detect when hyperinflation is approaching and automatically adjust IPPV amplitude or frequency to maintain therapeutic effectiveness while preventing harmful over-inflation.
2Reliability
If a standalone IPPV device is used in conjunction with normal ventilator operation, then secretion mobilization is supported, but device complexity increases and manual adjustments are required
Solution Approach 1:
The patent merges the IPPV device functionality directly into the ventilator system. The ventilator includes integrated components for generating and delivering IPPV bursts, eliminating the need for separate external devices. This consolidation reduces overall system complexity while maintaining secretion mobilization effectiveness through coordinated delivery of baseline ventilation and IPPV therapy.
Solution Approach 2:
The ventilator is designed with multi-functionality to perform both baseline ventilation and IPPV therapy through a single device. The system can automatically switch between and combine different ventilation modes, eliminating the need for manual setup and coordination of separate devices. This universal design simplifies operation while maintaining therapeutic effectiveness for secretion mobilization.
3Reliability
If IPPV delivery is connected externally to the patient circuit, then percussive therapy is applied, but the ventilator cannot control the additional tidal volume delivered
Solution Approach 1:
The patent integrates IPPV delivery controls within the ventilator system, allowing the ventilator to fully control both baseline ventilation and IPPV therapy parameters. The integrated system delivers IPPV bursts through the same patient circuit used for baseline ventilation, enabling centralized control of total tidal volume and pressure parameters. This eliminates the lack of control experienced with external connections while maintaining effective percussive therapy delivery.
Data Source
AI summary
The present disclosure pertains to a ventilation therapy system configured to control a pressure or flow generator to apply an intra-pulmonary percussive ventilation therapy regime to a pressurized flow of breathable gas during baseline ventilation therapy. The ventilation therapy system is configured to automatically control the pressurized flow of breathable gas. The system may automatically control an extent of hyperinflation during IPPV in a subject. The system is configured such that therapy set points, alarm settings, and/or other factors are automatically adjusted during the application of IPPV relative to the set points and alarm settings during baseline ventilation therapy. In some embodiments, the system comprises one or more of a pressure or flow generator, a subject interface, one or more sensors, one or more processors, a user interface, electronic storage, and/or other components.