Memory Card Device with Virtual Private Network for Medical Data Security

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Solution Overview

Problem

Data transmitted from medical devices using wireless memory cards is vulnerable to malware attacks and theft due to lack of secure transmission methods.

Innovation Solution

A virtual private network connection method and memory card device that loads a virtual private network connection application program, allowing medical devices to connect to a virtual private network server for encrypted and protected data transmission through a memory card device with a virtual private network connection and control module.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If data is transmitted wirelessly from medical devices through memory card devices, then real-time data transmission capability is improved, but data security is worsened due to vulnerability to malware attacks and theft

Engineering Contradiction:

Improvedata transmission speedVSAvoiddata security

Core Design Contradiction:

SpeedVSReliability

Solution Approach 1:

The patent introduces a VPN server as an intermediary between the medical device and external networks. Data transmitted through the memory card device is routed through this intermediary, which provides encryption and security protocols to protect against malware attacks and data theft while maintaining real-time transmission capability

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the transmission parameters by implementing VPN encryption protocols. The data transmission is transformed from plain text to encrypted format, changing the security parameter while maintaining the transmission speed through optimized encryption algorithms

Inventive Principle:

Principle #35Parameter changes

2Ease of operation

If conventional wireless transmission methods are used, then ease of operation is improved, but data protection is worsened due to lack of encryption

Engineering Contradiction:

Improvetransmission operation simplicityVSAvoidmalware attack vulnerability

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system automatically establishes VPN connections and applies encryption protocols without requiring manual intervention from the user. The memory card device and medical device automatically handle the security protocols, maintaining ease of operation while providing robust protection against malware attacks

Inventive Principle:

Principle #25Self-service

Data Source

PatentUS11539667B2Virtual private network connection method and memory card device using same

Publication Date: 2022.12.27 KEY ASIC INC

AI summary

A virtual private network connection method and a memory card device using the virtual private network connection method are provided. Firstly, a virtual private network connection application program is provided. Then, the virtual private network connection application program is loaded in a memory card device. Then, the memory card device is installed in a medical device. After the virtual private network connection application program is executed and the memory card device is connected to a virtual private network server according to a connection request, the data from the medical device is transmitted to the virtual private network server through the memory card device. In such way, the data will not be attacked by malware and stolen by a third-party manufacturer during the transmission process.