Telemetry System Patient Location Estimation

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Solution Overview

Problem

Conventional medical telemetry systems are limited by a small coverage area, preventing patients from being monitored or located outside the defined area due to financial constraints, which restricts the system's infrastructure to only cover a small, predefined space within a hospital.

Innovation Solution

A telemetry system comprising a transmitter, receiver network, and processor that estimates the location of a portable transmitter outside the coverage area by using tracking data, speed, trajectory, and elapsed time, allowing for continued monitoring and tracking of patients beyond the initial coverage area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If the coverage area is expanded to cover the entire hospital interior and outside areas, then patient monitoring capability is improved, but infrastructure cost increases significantly

Engineering Contradiction:
Improvecoverage areaVSAvoidinfrastructure cost
Core Design Contradiction:
Area of stationary objectVSQuantity of substance

Solution Approach 1:

The system performs preliminary actions by collecting and storing tracking data (position, speed, trajectory) while the transmitter is within the coverage area. This preliminary data collection enables the processor to later estimate the transmitter's location outside the coverage area using mathematical modeling, thereby extending monitoring capability without physically expanding the receiver infrastructure.

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If receivers are deployed throughout the entire hospital and outside areas, then patient location tracking is improved, but device complexity increases

Engineering Contradiction:
Improvelocation tracking accuracyVSAvoidreceiver network complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The processor acts as an intermediary that bridges the gap between limited receiver coverage and comprehensive patient tracking. It uses mathematical models and algorithms to process tracking data from receivers and generate estimated location information for areas outside the coverage zone, effectively extending the system's monitoring capability without adding physical receivers.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Quantity of substance

If the coverage area is kept small to reduce costs, then infrastructure cost is reduced, but patient monitoring capability deteriorates when patients leave the coverage area

Engineering Contradiction:
Improveinfrastructure costVSAvoidpatient monitoring reliability
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The system creates a virtual extension of the coverage area by generating estimated location data that copies and extrapolates the tracking information obtained within the physical coverage zone. The processor uses mathematical models to create this virtual monitoring zone, allowing continuous patient monitoring reliability without expanding the physical receiver infrastructure.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS8203447B2Telemetry system and method
Publication Date: 2012.06.19 GE PRECISION HEALTHCARE LLC
  • US8203447B2 patent drawing
  • US8203447B2 patent drawing
  • US8203447B2 patent drawing

AI summary

A telemetry system is disclosed herein. The telemetry system includes a transmitter configured to provide tracking data, and a receiver adapted to define a coverage area. The receiver is configured to receive the tracking data from the transmitter only when the transmitter is within the coverage area. The telemetry system also includes a processor configured to receive the tracking data from the receiver. The processor is configured to estimate the location of the transmitter when the transmitter is outside the coverage area based on the tracking data.