Ultrasound Controller Ventilator Synchronization for Scanning Stability
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Solution Overview
Problem
Conventional ultrasound scanning devices face instability and inaccuracy when used in conjunction with ventilators, as mechanical ventilation causes the heart position to change, disrupting consistent scanning regions and affecting diagnostic accuracy.
Innovation Solution
An integrated system comprising an ultrasound scanning device and a ventilator, where the ultrasound controller generates enable signals to control the ventilator's operation, synchronizing scanning with ventilation cycles to maintain a consistent heart position, and the ventilator adjusts its ventilation mode based on the scanning device's status to minimize interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If mechanical ventilation is applied to increase lung capacity, then respiratory function is improved, but the heart position changes causing ultrasound scanning instability
Solution Approach 1:
The system performs preliminary actions by pausing mechanical ventilation before ultrasound scanning and resuming it after scanning. This advance preparation ensures the heart remains stable during scanning, eliminating position changes that would compromise measurement accuracy while maintaining respiratory support overall.
Solution Approach 2:
The system implements periodic action by alternating between ventilation pause and resumption cycles synchronized with scanning requirements. The ventilator controller periodically suspends and resumes ventilation based on scanning status, creating rhythmic intervals where the heart position remains constant during measurement phases.
2Duration of action of stationary object
If mechanical ventilation is continuously applied, then respiratory support is maintained, but scanning accuracy deteriorates due to heart position changes
Solution Approach 1:
The system applies periodic action by interrupting continuous ventilation temporarily during scanning phases and restoring it afterward. The ventilator controller monitors scanning status and creates periodic pauses in ventilation, allowing the heart to remain stationary for accurate scanning while maintaining overall respiratory support through cyclical ventilation delivery.
Solution Approach 2:
The system performs preliminary action by proactively pausing ventilation before scanning begins and preparing to resume it after scanning completes. This advance coordination ensures that ventilation support is temporarily suspended only when necessary for accuracy, and restored immediately afterward to maintain respiratory function over the extended duration.
3Productivity
If ultrasound scanning is performed during mechanical ventilation, then continuous monitoring is achieved, but scanning stability is compromised
Solution Approach 1:
The system implements periodic action by alternating between scanning phases and ventilation phases. The ultrasound scanner operates periodically during scheduled intervals when ventilation is paused, ensuring stable heart position for each scan. This rhythmic coordination maintains monitoring productivity over time while guaranteeing stability during each individual scanning event.
Solution Approach 2:
The system performs preliminary action by pausing ventilation in advance before each scanning interval and resuming it after scanning completes. This preparatory pause ensures the heart position is stabilized before scanning begins, and ventilation is restored immediately after, allowing continuous monitoring through repeated cycles without compromising the stability of each individual scan.
Data Source
AI summary
An ultrasound scanning apparatus comprises an ultrasound scanning unit, an ultrasound controller for controlling the operation of the ultrasound scanning unit, detecting the operation state of the ultrasound scanning unit, generating a first enable signal when detecting that the operation state of the ultrasound scanning unit is transferred from an operating state to a non-operating state and generating a second enable signal when detecting that the operation state of the ultrasound scanning unit is transferred from the non-operating state to the operating state, and an enable output end for transmitting the first enable signal or the second enable signal to the breathing machine to control the running of the breathing machine.