When Disaster Strikes
Earthquake, typhoon, battlefield — when the network goes down, xGrid is the last line of defense.
Network Down
Earthquake collapses cell towers. Typhoon cuts fiber lines. Cloud services become unreachable — but patients still need care.
Equipment Damaged
Flooding, lightning, shelling — when equipment is damaged and data becomes inaccessible, you need a system that already lives on every device.
Field Operations
Remote disaster sites, mobile clinics, forward operating bases — no stable network, but nurses can run the full patient workflow from a phone.
De Novo xGrid: Built for the Worst
An offline-first medical platform on a credit-card-sized Raspberry Pi. Nurses operate the full patient workflow from their phones — registration, triage, surgery, transfusion, discharge billing. Sync when connected, operate independently when not.
Built for Real Disasters
Designed with input from emergency responders and medical professionals
Walkaway Test
If the dev team dissolves and servers shut down, can the system keep running? We validate with 5 tests.
Lifeboat Protocol
When the hub fails, edge devices can rebuild the system.
Like a starfish regenerating a limb, every De Novo xGrid edge device can rebuild the central brain.
When designing a system, assume you'll be hit by a bus tomorrow. Can your users continue without you? This is our standard for every line of code.
149-Step Automated Test — 10 Patient Scenarios
The most demanding test: 3 of 8 medical stations forced to evacuate simultaneously — with active blood transfusions and an ongoing surgery. The system ensured every patient record, blood bag, and medication transfer was tracked and verified, without interrupting care.
Validated on Raspberry Pi 5 · 20 concurrent stations · zero errors
View Full Report →Core Operations
Three scenarios for high flexibility and resilience
로컬 커널 (Kernel)
로컬 서버가 스테이션 내 모든 휴대폰이 동일한 데이터를 공유하도록 함
SDK는 단일 장치의 PWA 간 협업을 해결합니다. 그러나 의료 스테이션에 간호사 5명, 의사 3명, 물류 담당자 2명이 서로 다른 휴대폰에서 동시에 작업할 때, 누가 환자 데이터의 일관성을 보장합니까? 커널 — 신용카드 크기의 Raspberry Pi가 각 스테이션의 로컬 서버로 작동합니다. 모든 휴대폰은 스테이션 Wi-Fi를 통해 연결되며, 외부 인터넷이 필요 없고, 모든 PWA가 실시간 동기화로 동일한 데이터를 공유합니다.
SDK — 동일 장치 협업
공유 코드 라이브러리가 단일 장치의 모든 PWA에 실시간 cross-tab 동기화 제공
커널 — 동일 스테이션 협업
로컬 Raspberry Pi가 단일 스테이션의 여러 장치에서 단일 환자 데이터 소스 공유 가능
메시 — 스테이션 간 협업
Hub-Spoke 토폴로지로 스테이션 간 상호 백업 및 재난 후 재구축 가능
Community Grid
CIRS EngineCommand center for community resilience. Orchestrate shelter operations, coordinate volunteer dispatch, delivery tracking (offline ledger + contract pricing)—all offline.
Medical Grid
MIRS EngineCritical medical data, even offline. Complete patient records, real-time triage classification, medication inventory tracking.
xGrid READY
Making resilience part of everyday life. Free offline-first supply management app for families.
Built for Every Role
From field medics to command center operators, De Novo xGrid adapts to your workflow.
Clinical Ops
Seamless patient handoff from field to hospital. Offline triage, prescriptions, and medical records.
Logistics Ops
Real-time inventory visibility across all nodes. Track supplies, medications, and equipment status.
What is a PWA?
A website that installs like an app. No app store needed — just visit and add to your home screen.
How Does It Work?
PWAs cache everything locally. Once installed, the app runs from your device, even without internet.
Why Does It Matter?
In disasters, networks fail first. PWAs keep working when you need them most — offline, reliable, instant.
Event Bus
Real-time cross-tab synchronization. When a nurse updates a patient status, doctors see it instantly.
Unified API
Standardized communication protocol with automatic retry, timeout handling, and error recovery.
Offline Queue
Operations continue seamlessly without internet. Data syncs automatically when connection returns.

Started November 2025, built a complete resilience ecosystem in 3 months
Kernel (本地伺服器)
Unlocked: 각 스테이션의 로컬 서버 역할을 하는 Raspberry Pi — 이것이 커널입니다. 모든 스테이션 휴대폰이 스테이션 Wi-Fi를 통해 연결되고, PWA가 단일 데이터 소스를 공유합니다. SDK, 메시 및 전체 xGrid 플랫폼이 모두 이 기반 위에 구축됩니다.
MIRS v2.0
Unlocked: Offline-first anesthesia records, equipment tracking, blood bank
HIRS + CIRS
Unlocked: Home preparedness + community shelter management
PWA Fleet
Unlocked: 15+ role-specific PWA interfaces
De Novo xGrid SDK
Unlocked: Unified offline queue, Event Bus standardization
Walkaway Test
Unlocked: Data sovereignty validation passed
Lifeboat Protocol
Unlocked: Edge devices can rebuild central hub
De Novo xGrid™
Unlocked: Medical appliance, bus factor approaching infinity
Medical Grid v5.1
Unlocked: 136-step E2E test: 135 pass, 0 fail, 0 gap. Station consolidation validated.
Medical Grid v6.0
Unlocked: LSCO battlefield medicine: 8 modules complete. 149-step E2E across 10 scenarios.
Medical Grid v6.5
Unlocked: 173-step E2E: 172 pass, 0 fail. CIRS Walkaway DR, Cross-Proxy API, idempotent sync, LSCO walkaway coverage verified 17/17.
Medical Grid v7.14
Unlocked: 649-step E2E across 6 suites. LSCO Readiness 4/4 complete: Sync 11P + DR 12P + Merge 13P + 72H 364P. 100% pass rate.






