Radiopaque Optical Identifier for Implantable Device Scanning
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Solution Overview
Problem
Current RFID technology for identifying cardiac implantable electronic devices (CIEDs) requires specialized electronic readers and direct access, limiting the ability to retrieve patient-specific information without visual access to the device or device-specific equipment, especially in emergency situations where medical records may be lost or patients are unconscious.
Innovation Solution
A novel optical identifier using radiopaque materials that generates a scannable X-ray image, allowing implant-specific and patient-specific information to be accessed using common X-ray equipment and handheld devices like smartphones, eliminating the need for direct visual access or specialized programmers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If RFID tags are used to identify implantable medical devices, then device identification capability is improved, but the ability to access patient-specific information without specialized equipment deteriorates
Solution Approach 1:
The optical identifier serves multiple functions: it identifies the device, provides patient-specific information, and can be accessed using common equipment. The identifier contains both device identification data and patient information, making it a universal solution that replaces multiple separate identification systems.
Solution Approach 2:
The optical identifier acts as an intermediary between the implantable device and external access systems. Instead of requiring direct communication with RFID tags through specialized programmers, the optical identifier provides a intermediary layer that can be read by common imaging equipment, facilitating easier access to information.
2Loss of information
If specialized programmers are used to read RFID tags, then device-specific information can be retrieved, but the need for multiple device-specific equipment increases complexity
Solution Approach 1:
A single common imaging device can read all optical identifiers regardless of the specific implantable device type, eliminating the need for multiple device-specific programmers. The optical identifier system is universal and works across different device types.
Solution Approach 2:
The patent replaces the specialized electronic RFID reading system with an optical imaging system. Instead of using electronic programmers that require specific protocols and connections, the system uses common X-ray or optical imaging equipment to capture and read the visual identifier.
3Loss of information
If direct visual access to implanted devices is required, then identifier can be read, but invasive procedures are needed increasing risk
Solution Approach 1:
Instead of requiring direct visual access to the actual implanted device identifier, the system creates a visual copy or representation of the identifier that can be captured through non-invasive imaging. The optical identifier on the device creates an X-ray visible pattern that copies the identification information in a form that can be read externally.
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
Enables healthcare providers to identify implanted devices and access critical patient information without direct access or device-specific equipment, facilitating timely treatment and reducing the need for multiple programmers, even in emergency situations.
Implementation Method 1
at least a portion of said optical identifier is radiopaque, whereby to generate a scannable X-ray image of said optical identifier when said medical device is imaged using X-ray
Data Source
AI summary
Apparatus for identifying a patient, said apparatus comprising: a medical device for implantation into the patient; an optical identifier affixed to the medical device; wherein at least a portion of the optical identifier is radiopaque, whereby to generate a scannable X-ray image of the optical identifier when the medical device is imaged using X-ray.