Temporary Programming for Implanted Medical Devices
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Solution Overview
Problem
Current medical technologies for implanted devices require physical access and continuous proximity for programming changes, lacking adequate safety measures against mistakes or unexpected consequences, especially when remote adjustments are needed.
Innovation Solution
A system with an implanted medical device and an external repeater that allows remote programming with temporary instructions, including a communication subsystem and a timing mechanism to revert to normal settings if continuous communication is not maintained, ensuring safety through periodic checks and patient proximity during initial testing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If remote programming is implemented, then ease of operation is improved, but reliability deteriorates due to lack of physical oversight and potential for errors
Solution Approach 1:
The system performs preliminary actions by first loading temporary parameters into the device before finalizing the programming. A test period is initiated where the device operates with temporary parameters under continuous monitoring. Only after successful completion of the test period without adverse effects are the parameters made permanent, preventing erroneous programming from causing harm.
Solution Approach 2:
The system implements continuous feedback mechanisms during the test period by monitoring device performance and patient response. The repeater maintains continuous communication with the device, and any adverse effects or communication losses trigger automatic reversion to previous parameters. This feedback loop ensures reliability by detecting and correcting programming errors before they cause permanent damage.
2Productivity
If temporary parameters are tested remotely, then productivity is improved, but safety deteriorates due to reduced direct medical supervision
Solution Approach 1:
The system provides beforehand cushioning by implementing multiple safety buffers: (1) temporary parameters are isolated in a test period rather than immediately applied permanently, (2) continuous monitoring during the test period detects adverse effects early, (3) automatic reversion mechanisms are pre-programmed to activate if communication is lost or adverse effects occur, and (4) the repeater requires continuous presence during the test period. These layers of protection cushion against potential harm while enabling remote productivity improvement.
3Reliability
If continuous communication monitoring is implemented, then reliability is improved, but use of energy increases due to constant communication protocols
Solution Approach 1:
The system implements periodic action by establishing communication at regular intervals during the test period rather than truly continuous communication. The repeater and device engage in periodic data exchanges to verify proper operation while maintaining reliability. This periodic monitoring approach achieves sufficient verification for safety while significantly reducing energy consumption compared to truly continuous communication protocols.
Data Source
AI summary
A system and method for temporary programming of an implantable medical device. The system and method include a repeater uploading temporary programming and instructions to a temporary memory of the device and then instructing the device to operate according to the temporary instructions. If during a first time period, the device is not in continuous periodic communication with the repeater, the device automatically reverts to operation under the normal operating instructions. At the end of the first time period, the caregiver or the patient may decide to revert to the normal programming. During a second time period, the device operates according to the temporary programming unless the caregiver or the patient instructs the device to revert to the normal programming, or the device fails to receive a periodic continuation signal from the repeater. Adverse health effects to the patient may also trigger the device to revert to the normal programming during either the first or second time period.