Authenticated Imaging Cable PCB for Secure Device Identification
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Solution Overview
Problem
Existing medical imaging systems lack a reliable method to authenticate and store information about the cable and imaging device, leading to potential use of inferior replacements and inaccurate tracking of device usage and calibration data.
Innovation Solution
A cable with an integrated printed circuit board that includes memory and authentication components to securely store and communicate device information, allowing authentication and secure communication with the CCU, while bypassing the communication bus for imaging data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If authentication components and memory are integrated into the cable, then cable authentication and information storage are improved, but cable complexity increases
Solution Approach 1:
The cable is divided into distinct functional segments: authentication components (authentication chip, memory) for security and identification, communication lines for data transmission, and connector components for physical interface. This segmentation allows each part to perform its specific function while maintaining overall system reliability without excessive complexity.
Solution Approach 2:
The cable acts as an intermediary component between the imaging device and the controller, carrying both authentication information and imaging data. By integrating authentication components into the cable, the system ensures secure communication without requiring separate authentication mechanisms, thus improving reliability while managing complexity through the cable's mediating role.
2Loss of information
If device information is stored on the cable rather than the imaging device, then device tracking and authentication are improved, but the imaging device becomes simpler
Solution Approach 1:
Device information storage is extracted from the imaging device and relocated to the cable. The cable now contains memory components that store identification information, calibration data, and usage tracking information. This extraction reduces the complexity of the imaging device while maintaining comprehensive information tracking capabilities through the cable's storage functions.
Solution Approach 2:
The cable is transformed from a simple connection medium into a multi-functional component that performs authentication, information storage, and data transmission. By making the cable universal and capable of handling multiple functions, the system improves device tracking without adding complexity to the imaging device itself.
3Speed
If imaging data communication bypasses the circuit board communication bus, then imaging data transmission speed is improved, but the circuit board design becomes more complex
Solution Approach 1:
The communication pathways are segmented into two independent channels: a dedicated imaging data communication line for high-speed image data transmission, and a circuit board communication bus for control signals and authentication data. This segmentation allows imaging data to bypass the general-purpose bus, improving transmission speed while managing complexity through clear functional separation.
Solution Approach 2:
The circuit board serves as an intermediary that manages the communication bus for control and authentication functions, while allowing imaging data to flow directly through dedicated lines. This intermediary role enables the system to optimize imaging data transmission speed without requiring the entire communication infrastructure to handle all data types, thus balancing speed improvement with design complexity.
Data Source
AI summary
Provided are methods of authenticating a cable by a medical imaging controller that is connected to a medical imaging device by the cable, the cable being disconnectably connected to the medical imaging controller via a connector. The method includes accessing, by the medical imaging controller, cable authentication information and medical imaging device identification information stored in at least one memory of a circuit board of the cable. The method includes authenticating, by the medical imaging controller, the cable based on the cable authentication information stored in the at least one memory. The method includes controlling, by the medical imaging controller, the medical imaging device based on the medical imaging device identification information.