Leadless Cardiac Pacemaker Programming for Reliable Replacement Transition
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Solution Overview
Problem
Current methods for programming leadless cardiac pacemakers lack a coordinated process for device replacement/change-out, leading to potential risks and inefficiencies in managing new implant interfaces with the heart's conduction system and battery depletion before replacement.
Innovation Solution
A computer-implemented method and system that uses a computing device to assign unique identifiers to leadless cardiac pacemakers, preconfigure parameters, and communicate wirelessly to manage the replacement process, allowing for coordinated therapy administration and flexible implantation timing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a new leadless pacemaker is implanted to replace an old one, then bradycardia support is maintained, but there is risk of unreliable electrode engagement with the heart's conduction system at the new interface
Solution Approach 1:
The system performs preliminary sensing tests, impedance tests, and pacing capture tests on the new pacemaker before activating it as the primary device. This preliminary characterization of the new electrode-heart interface allows the system to verify reliable engagement before full therapy activation, reducing the risk associated with new implant interfaces.
Solution Approach 2:
The system maintains the old pacemaker in a standby or extended operation mode after implantation of the new device, providing a safety cushion during the transition period. This allows the new device to be thoroughly tested and validated while ensuring continuous bradycardia support, cushioning against potential failures at the new interface.
2Reliability
If the old pacemaker is replaced before battery depletion, then continuous therapy is maintained, but unnecessary replacements increase device complexity and procedure risk
Solution Approach 1:
The system continuously monitors the battery status of the old pacemaker and provides feedback to the clinician through the programming device. This feedback mechanism allows optimization of the replacement timing, enabling replacement just before battery depletion rather than at fixed intervals, thereby reducing unnecessary procedures while maintaining continuous therapy.
Solution Approach 2:
The system dynamically adjusts the operation mode of the old pacemaker based on real-time conditions. When a new pacemaker is implanted, the old device can transition from primary therapy delivery to standby mode or extended operation mode, allowing flexible management of battery depletion timing and replacement scheduling.
3Reliability
If the new pacemaker is activated immediately after implantation, then therapy coverage is ensured, but there is no time to characterize the electrode engagement with the heart's conduction system
Solution Approach 1:
The system performs preliminary sensing tests, impedance tests, and pacing capture tests on the new pacemaker before activating it as the primary therapy device. This preliminary characterization verifies reliable electrode engagement while ensuring therapy coverage is maintained through the old device during the testing period.
Solution Approach 2:
The system implements periodic testing and characterization of the new pacemaker's electrode engagement after implantation. Multiple sensing and capture tests are performed at different time points to ensure stable and reliable interface before full therapy activation, balancing immediate therapy coverage with thorough characterization.
4Duration of action of moving object
If the old pacemaker is left in place after new implantation, then extended operation is possible, but there is risk of battery depletion affecting therapy continuity
Solution Approach 1:
The system dynamically manages the operation mode of the old pacemaker after new device implantation. The old device can be configured in standby mode, extended operation mode, or gradual fade-out mode, allowing flexible extension of service time while maintaining therapy continuity through coordinated operation with the new device.
Solution Approach 2:
The system implements a transition period where both the old and new pacemakers operate together, providing a cushion against battery depletion risks. The old device continues to provide therapy support during this transition, cushioning against potential gaps in therapy continuity while the new device is fully characterized and validated.
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
Enhances robustness in bradycardia support, improves clinician control, and extends the effective service time of pacemakers by allowing configuration of new devices before battery depletion, reducing unnecessary replacements.
Implementation Method 1
the computing device communicates with the first leadless cardiac pacemaker and the second leadless cardiac pacemaker by means of a wireless transmit-receive unit
Data Source
AI summary
A computer implemented method for programming leadless cardiac pacemakers including assigning a unique identifier to each of the first leadless cardiac pacemaker and the second leadless cardiac pacemaker by means of the computing device, and preconfiguring the parameters of the first leadless cardiac pacemaker and/or the second leadless cardiac pacemaker by means of the computing device regardless of a location of the first leadless cardiac pacemaker and the second leadless cardiac pacemaker with respect to a transmit-receive unit of the computing device. Moreover, the invention relates to a system for programming leadless cardiac pacemakers. In addition, a computer program and a computer-readable data carrier are also disclosed.