Continuous Intraocular Pressure Monitoring for Surgical Fluid Outflow

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Solution Overview

Problem

Current methods for measuring intraocular pressure (IOP) are inadequate as they provide static readings that do not account for dynamic fluid or gas infusion, leading to inaccurate assessments of fluid outflow behavior during and after ocular surgery, which can result in post-operative complications such as vision loss or poor ocular health.

Innovation Solution

A system comprising an infusion line, sensor, and processor that continuously monitors IOP and fluid outflow behavior in real-time, providing a comprehensive assessment of ocular fluid dynamics to guide surgical interventions and improve post-operative outcomes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If static IOP measurement methods are used, then the measurement process is simple, but the accuracy of fluid outflow behavior assessment deteriorates

Engineering Contradiction:

Improvemeasurement process simplicityVSAvoidfluid outflow behavior assessment accuracy

Core Design Contradiction:

Ease of manufactureVSMeasurement precision

Solution Approach 1:

The patent transforms static IOP measurement into dynamic continuous monitoring. The system continuously measures IOP over time during surgery and generates a fluid outflow behavior curve, capturing the dynamic response of the eye to surgical interventions and fluid infusion, thereby accurately assessing fluid outflow behavior that static measurements cannot detect.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system provides real-time feedback through continuous IOP monitoring and generates visual representations of fluid outflow behavior. This feedback mechanism allows surgeons to immediately observe the eye's response to surgical actions and adjust their approach, improving assessment accuracy while maintaining operational simplicity through automated data processing.

Inventive Principle:

Principle #23Feedback

2Measurement precision

If continuous real-time IOP monitoring is implemented, then the accuracy of ocular fluid dynamics assessment is improved, but the device complexity increases

Engineering Contradiction:

Improveocular fluid dynamics assessment accuracyVSAvoidmonitoring system complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The monitoring system is integrated into the existing surgical platform, allowing the same system to perform multiple functions: continuous IOP monitoring, fluid infusion control, real-time data processing, and generation of visual fluid outflow behavior curves. This multi-functionality reduces the need for separate dedicated devices, thereby managing complexity while maintaining high measurement precision.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system automatically processes continuous IOP data and generates visual representations of fluid outflow behavior without requiring manual intervention. The automated data processing and curve generation reduce the operational complexity for surgeons, allowing them to benefit from continuous monitoring without being overwhelmed by system complexity.

Inventive Principle:

Principle #25Self-service

3Loss of time

If static IOP readings are used, then the measurement time is short, but the ability to guide surgical interventions deteriorates

Engineering Contradiction:

Improvemeasurement timeVSAvoidsurgical intervention guidance capability

Core Design Contradiction:

Loss of timeVSAdaptability or versatility

Solution Approach 1:

The system maintains continuous IOP monitoring throughout the surgical procedure, providing uninterrupted data on ocular fluid dynamics. This continuous measurement approach captures the complete fluid outflow behavior curve, enabling comprehensive assessment and real-time guidance of surgical interventions without adding significant time to the overall surgical process.

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

The system generates the fluid outflow behavior curve in real-time during surgery, providing predictive information about post-operative outcomes. This preliminary assessment allows surgeons to make informed decisions about surgical adjustments before completing the procedure, improving intervention guidance while maintaining efficient measurement timing.

Inventive Principle:

Principle #10Preliminary action

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

Enables real-time monitoring and modulation of fluid outflow behavior, reducing the risk of post-operative complications by allowing for personalized and controlled surgical procedures based on continuous IOP measurements.

Implementation Method 1

a sensor configured to continuously detect a pressure in the tissue compartment over a time period

Methodology Applied

Scientific EffectPressure detection:

Data Source

PatentUS20260041320A1Methods, devices, and systems for monitoring intraocular pressure

Publication Date: 2026.02.12 MT SINAI SCHOOL OF MEDICINE

AI summary

Disclosed herein are methods, devices, and systems for monitoring fluid outflow behavior of an eye of a subject, for example, during ocular surgery. Changes to intraocular pressure can reflect fluid outflow behavior. Fluid outflow behavior can be a critical factor in the successful outcome of a surgery and determining likelihood of post-operative side effects. Large fluctuations in intraocular pressure, ocular hypertension, and hypotony can be associated with vision loss or poor ocular health.