Pulse Oximeter ROP Risk Alarm Module
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Solution Overview
Problem
Current patient monitoring devices, such as pulse oximeters, lack the capability to effectively alert caregivers to the likelihood of retinopathy of prematurity (ROP) in premature infants by monitoring oxygen saturation levels within the critical range of 88% to 92%, which is crucial for preventing this disorder.
Innovation Solution
A patient monitoring system that integrates an ROP alarm module, using pulse oximetry to detect hypoxemic and hyperoxemic events by calculating the ROP integral value based on the duration and severity of oxygen saturation deviations from set thresholds, and alerting caregivers when the cumulative ROP integral value exceeds a predetermined threshold, taking into account patient-specific parameters like gestational age and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pulse oximetry is used to monitor oxygen saturation, then basic physiological monitoring is provided, but the capability to detect and alert for retinopathy of prematurity risk is lacking
Solution Approach 1:
The patent combines traditional pulse oximetry monitoring with ROP risk assessment by integrating the calculation of ROP integral value into the existing pulse oximeter device. This merging allows the device to perform both basic oxygen saturation monitoring and specialized ROP risk detection without requiring a completely new system, thus improving reliability while controlling complexity increase.
Solution Approach 2:
The pulse oximeter is enhanced to serve multiple functions: it not only monitors oxygen saturation levels but also calculates ROP integral values and provides alerts for ROP risk. This multi-functionality allows a single device to address both routine monitoring and specialized premature infant care requirements, improving detection capability without proportionally increasing system complexity.
2Reliability
If continuous monitoring of oxygen saturation is performed to prevent ROP, then early intervention is enabled, but the system must process and evaluate data in real-time increasing computational requirements
Solution Approach 1:
The system pre-calculates and stores ROP integral values continuously during monitoring, so that when alert conditions are met, the evaluation is already prepared. The cumulative ROP integral value is updated in advance during normal operation, allowing rapid alert generation without requiring intensive real-time computational processing at the moment of detection.
Solution Approach 2:
The monitoring system automatically calculates and evaluates ROP risk parameters without requiring external computational resources or manual analysis. The device self-processes the oxygen saturation data, computes the ROP integral value, and generates alerts autonomously, reducing the need for high-power external processing systems while maintaining early intervention capability.
3Reliability
If alarm thresholds are set to detect ROP risk, then caregiver alertness is improved, but false alarms may occur reducing caregiver trust
Solution Approach 1:
The system provides continuous feedback to the caregiver through visual, auditory, or haptic alerts when the cumulative ROP integral value exceeds the predetermined threshold. This feedback mechanism ensures that caregivers are promptly informed of ROP risk conditions, improving alarm accuracy while the clear, direct alerting method maintains caregiver trust by providing unambiguous information about when intervention is needed.
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 provides timely alerts to caregivers, enabling early intervention to prevent ROP by monitoring and managing oxygen saturation levels within safe ranges, thereby reducing the risk of developing this condition 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
The light passed through the tissue may be selected to be of one or more wavelengths that may be absorbed or scattered by the blood in an amount correlative to the amount of the blood constituent present in the blood
Data Source
AI summary
Embodiments of the present disclosure relate to determining a likelihood of possible retinopathy of prematurity and alerting a caregiver of such likelihood. According to certain embodiments, an apparatus for displaying an indication of 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 history of the patient places the patient at risk of developing retinopathy of prematurity. The apparatus may also include a display unit configured to present an indication of a risk of prematurity in the patient when the processing unit determines that the oxygen saturation history of the patient places the patient at risk of developing retinopathy of prematurity, the indication comprising at least one of a number associated with the risk, an audible alarm, or a visual alarm.