Ambulatory Cardiac Pacing With Adaptive Weaning Algorithms

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Solution Overview

Problem

Existing temporary pacing technologies do not adequately address the need for personalized and dynamic cardiac pacing strategies post-cardiac procedures, leading to potential unnecessary permanent pacemaker implantations.

Innovation Solution

A system and method for selecting and managing temporary pacing algorithms based on electrophysiological measures, including ambulatory pacing devices with implantable leads and processors that adjust pacing parameters dynamically, and determine when to wean patients off temporary pacing or transition to permanent pacemakers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If temporary pacing leads are used after cardiac procedures, then patients can leave the hospital until cardiac cycle recovers, but the system lacks personalized and dynamic pacing strategies leading to unnecessary permanent pacemaker implantations

Engineering Contradiction:

Improvepersonalized pacing strategyVSAvoidpacing therapy effectiveness

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent implements dynamic pacing algorithms that automatically adjust pacing parameters based on real-time electrophysiological measurements. The system transitions from static temporary pacing to dynamic adaptive pacing, where the pacemaker continuously monitors heart rate, rhythm, and response to pacing, then adjusts parameters accordingly to optimize therapy effectiveness and personalize the pacing strategy for each patient.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent incorporates feedback mechanisms where electrophysiological measurements from temporary pacing are used to guide permanent pacemaker programming. The system monitors pacing response, heart rate variability, and rhythm characteristics, then uses this feedback information to optimize permanent pacemaker settings and determine appropriate weaning timing, thereby improving both adaptability and reliability.

Inventive Principle:

Principle #23Feedback

2Reliability

If temporary pacing parameters are adjusted based on electrophysiological measures, then unnecessary permanent pacemaker implantations are reduced, but the system complexity increases

Engineering Contradiction:

Improvepacing therapy appropriatenessVSAvoidpacing algorithm management

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements self-service capabilities where the pacing system automatically monitors electrophysiological parameters and adjusts pacing parameters without requiring constant physician intervention. The system performs automated algorithms to determine when to transition from temporary to permanent pacing, reducing the need for complex manual management while maintaining high reliability in pacing therapy appropriateness.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent utilizes parameter changes in pacing algorithms to manage complexity. By pre-programming multiple pacing modes and parameters that can be automatically switched based on measured electrophysiological thresholds, the system handles complex decision-making through structured parameter transitions rather than complex real-time calculations, thereby reducing operational complexity while maintaining therapeutic reliability.

Inventive Principle:

Principle #35Parameter changes

3Loss of time

If continuous monitoring of electrophysiological measures is performed, then timely weaning from temporary pacing is determined, but energy consumption increases

Engineering Contradiction:

Improveweaning timing accuracyVSAvoiddevice energy consumption

Core Design Contradiction:

Loss of timeVSUse of energy by moving object

Solution Approach 1:

The patent implements periodic monitoring rather than continuous monitoring, where electrophysiological measurements are taken at predetermined intervals or triggered by specific events such as rhythm changes or rate thresholds. This periodic action reduces energy consumption significantly while maintaining accurate weaning timing, as the system captures sufficient data points to make reliable decisions about temporary pacing duration without the constant energy drain of continuous monitoring.

Inventive Principle:

Principle #19Periodic action

Data Source

PatentUS20250352803A1Systems, methods, and apparatus for ambulatory cardiac pacing

Publication Date: 2025.11.20 MERIT MEDICAL SYSTEMS INC

AI summary

Systems and method for ambulatory cardiac pacing are provided. A method may include providing an implantable medical device and a medical lead and inserting the medical lead into a vein of a patient and securing the holder adjacent to an insertion site of the medical lead. The method may include selecting a pacing algorithm from among a first pacing algorithm configured to provide intermittent pacing support and a second pacing algorithm configured to provide continuous pacing support, for execution by the implantable medical device.