Functional Measurement Patient Interface Module Using PoE for Cable Reduction

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Solution Overview

Problem

Existing intraluminal sensing systems in catheter labs and office-based labs face cluttered workspaces due to excessive cabling for power and data connections, complicating medical data gathering for diagnosis.

Innovation Solution

A functional measurement (FM)-patient interface module (PIM) that computes physiologic data from sensor signals and distributes it wirelessly via a power over Ethernet (PoE) connection to a wireless router, reducing the need for physical cables by using an Ethernet cable for both power and data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple wire connections are used for power and data transmission in intraluminal sensing systems, then reliable power supply and data communication are ensured, but workspace clutter increases and operational complexity increases

Engineering Contradiction:
Improvepower supply and data communication reliabilityVSAvoidworkspace organization and operational simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent combines multiple separate wire connections for power and data transmission into a single integrated Ethernet cable connection. The PoE (Power over Ethernet) technology merges power delivery and data communication functions into one cable, eliminating the need for separate power adapters and data cables, thus reducing workspace clutter while maintaining reliable power supply and data communication.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The Ethernet cable is made multi-functional by enabling it to simultaneously perform power transmission and data communication tasks. The PoE infrastructure allows a single universal cable type to serve multiple functions that previously required specialized separate connections, simplifying the system while ensuring reliable operation.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If separate power and data connections are used, then dedicated power supply ensures stable operation, but device complexity and cabling requirements increase

Engineering Contradiction:
Improvestable operationVSAvoidcabling and connection complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges separate power and data connection systems into a unified PoE-based Ethernet connection. This integration reduces device complexity by eliminating multiple connection interfaces and cables while maintaining stable operation through the standardized PoE power delivery protocol that ensures reliable power supply.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system adopts a universal Ethernet cable that can simultaneously handle both power delivery and data transmission functions. This multi-functional approach reduces device complexity by standardizing connections while ensuring stable operation through the robust PoE infrastructure designed for reliable power and data delivery.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If multiple diagnostic systems are connected via wire to gather medical data, then comprehensive data collection is achieved, but cable management becomes difficult and workspace clutter increases

Engineering Contradiction:
Improvedata collection capabilityVSAvoidcable management
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical cable-based connection system with a wireless communication system for connecting multiple diagnostic systems. The intraluminal sensing device communicates data wirelessly to multiple diagnostic systems, eliminating the need for physical cable connections to each system while maintaining comprehensive data collection capabilities and significantly improving cable management.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent extracts the data transmission function from the physical cable medium and transfers it to a wireless communication channel. This allows multiple diagnostic systems to receive medical data without requiring physical cable connections, thereby maintaining adaptability for comprehensive data collection while eliminating cable management difficulties.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentEP3602571B1Functional measurement patient interface module (PIM) for distributed wireless intraluminal sensing systems
Publication Date: 2025.08.20 KONINKLIJKE PHILIPS NV
  • EP3602571B1 patent drawingFigure 1
  • EP3602571B1 patent drawingFigure 2
  • EP3602571B1 patent drawingFigure 3

AI summary

An intraluminal sensing system is provided. The intraluminal sensing system includes a patient interface module (PIM) in communication with an intraluminal device comprising a physiologic sensor and positioned within a body lumen of a patient, a wireless router via a signal link, and a computing device in wireless communication with the wireless router, wherein the PIM comprises a processing component configured to receive a sensor signal from the physiologic sensor; and determine physiologic data based on at least the sensor signal; and a power and communication component configured to receive power from the signal link; and transmit, to the computing device via the signal link and the wireless router, the physiologic data.