Architecting Zero-Fault Firmware and Fail-Safe Isolation in Life-Supporting Devices

Core engineering and protocols for IEC 62304 Class C Safety Architecture.

Separating Safety-Critical Control from Cybersecurity Functions

In Class C medical devices (e.g., cardiac pacemakers, automated insulin delivery systems, mechanical ventilators), a cybersecurity check must never delay life-saving therapy. MedicalTPM employs strict hardware bus partitioning: the cryptographic core runs on an isolated micro-engine with dedicated memory, communicating with the therapy controller via unidirectional status registers.

Emergency 'Break-Glass' Clinical Overrides

If an unconscious patient arrives at an emergency department with an encrypted medical implant and network connectivity is unavailable, authorized medical staff can activate a physical 'break-glass' magnetic or RF trigger. The device safely transitions to standard emergency pacing or basal delivery mode while logging the event in tamper-evident memory.

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