ROP Alarm Module Oxygen Saturation Integral Calculation
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Solution Overview
Problem
Current patient monitoring devices, such as pulse oximeters, lack the capability to effectively alert caregivers to the risk of retinopathy of prematurity (ROP) in premature infants by monitoring oxygen saturation levels within the critical range of 88% to 92%, which is correlated with the development of ROP, and do not account for patient-specific parameters like gestational age and weight.
Innovation Solution
A patient monitoring system that integrates an ROP alarm module, which calculates the ROP integral value by measuring the duration and severity of oxygen saturation deviations outside the 88% to 92% range, and sets threshold values based on patient-specific parameters to alert caregivers of potential ROP risk, using a combination of sensors, processors, and user-input parameters to provide timely alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pulse oximeters monitor oxygen saturation levels using standard alarm thresholds, then general physiological monitoring is provided, but they fail to detect ROP risk in premature infants within the critical 88%-92% saturation range
Solution Approach 1:
The patent applies local quality by implementing ROP-specific monitoring parameters tailored to premature infants. The system uses a specialized ROP alarm module that calculates ROP integral values based on oxygen saturation deviations within the critical 88%-92% range, rather than using general alarm thresholds. This localized approach enables precise detection of ROP risk while maintaining compatibility with standard pulse oximetry functionality.
Solution Approach 2:
The patent implements parameter changes by introducing ROP-specific threshold values and integral calculations. The system transforms standard SpO2 monitoring into ROP risk assessment by applying specific mathematical algorithms that integrate oxygen saturation deviations over time. The ROP alarm module uses patient-specific parameters like gestational age and weight to dynamically adjust monitoring parameters, enabling adaptive detection of ROP risk.
2Reliability
If standard alarm thresholds are used for oxygen saturation monitoring, then general patient safety is maintained, but ROP-specific risks in premature infants are not identified
Solution Approach 1:
The patent applies segmentation by dividing the alarm system into distinct functional modules. The ROP alarm module operates independently from the standard alarm system, allowing ROP-specific monitoring to be added without disrupting existing functionality. This modular approach enables reliable ROP risk assessment while managing device complexity through clear functional separation.
Solution Approach 2:
The patent implements universality by designing the ROP alarm module to work alongside standard monitoring functions. The system can simultaneously provide general physiological monitoring and specialized ROP risk assessment using the same hardware platform. This multi-functionality approach maintains reliability for ROP detection while avoiding the need for completely separate monitoring systems.
3Measurement precision
If ROP monitoring integrates patient-specific parameters like gestational age and weight, then personalized ROP risk assessment is achieved, but setup complexity and user input requirements increase
Solution Approach 1:
The patent applies self-service by enabling the system to automatically utilize patient parameters that are already available in the electronic health record. The ROP alarm module can automatically retrieve gestational age, weight, and other relevant parameters without requiring manual input from caregivers. This approach achieves personalized ROP risk detection while minimizing user input requirements and maintaining ease of operation.
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 effectively alerts caregivers to the risk of ROP by monitoring oxygen saturation levels and providing timely alerts, allowing for early intervention to prevent or mitigate the condition, thereby reducing the risk of ROP development in premature infants.
Implementation Method 1
Pulse oximeters typically utilize a non-invasive sensor that transmits light through a patient's tissue and that photoelectrically detects the absorption and/or scattering of the transmitted light in such tissue.
Implementation Method 2
A photo-plethysomograhpic waveform, which corresponds to the cyclic attenuation of optical energy through the patient's tissue, may be generated from the detected light.
Data Source
AI summary
Methods and system for determining a likelihood of possible retinopathy of prematurity and alerting a caregiver of such likelihood may employ oxygen saturation measurements. According to certain embodiments, an apparatus for determining a risk of retinopathy of prematurity in a patient may include a processing unit. The processing unit is configured to determine whether an oxygen saturation level of the patient extends beyond an oxygen saturation threshold, determine an extent that the oxygen saturation level of the patient extends beyond the oxygen saturation threshold, and trigger an alarm when the extent that the oxygen saturation level of the patient extends beyond the oxygen saturation threshold exceeds a threshold at which the patient may be at risk of developing retinopathy of prematurity. The apparatus may also include a display unit configured to present the alarm in response to the trigger from the processing unit.