---
title: "Patient Data Interface"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:PATIENT_DATA_INTERFACE"
  data_integrity_hash: "3c98c00eda6be6c8815cddc4e338509b"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:PATIENT_DATA_INTERFACE"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/patient-data-interface.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/patient-data-interface"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-1000 Hz data refresh rate, 0-5 VDC signal input range, -20°C to +85°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0.8
    unit: "VDC"
    consequence: "Signal-to-noise ratio degradation below 6 dB, sampling aliasing above Nyquist frequency (500 Hz), semiconductor thermal runaway above 85°C due to Arrhenius equation acceleration (doubling failure rate every 10°C rise)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electromagnetic interference exceeding 10 V/m field strength at 100 MHz"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Shielded twisted-pair cabling with 40 dB attenuation at 100 MHz, ferrite chokes on all I/O lines"
  - node_2:
      trigger: "Simultaneous data writes from multiple sources exceeding 100 ms latency threshold"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual-port RAM with hardware semaphore arbitration, prioritized queue architecture with 50 ms maximum latency guarantee"
bom_nodes:
  data-input-port:
    type: "component"
    urn: "URN:CNFX:ME:DATA_INPUT_PORT"
    interface_type: "physical-logic-coupled"
  processing-unit:
    type: "device"
    urn: "URN:CNFX:ME:PROCESSING_UNIT"
    interface_type: "physical-logic-coupled"
  interface-board:
    type: "part"
    urn: "URN:CNFX:ME:INTERFACE_BOARD"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 13485:2016 - MEDICAL DEVICES - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "IEC 62304:2006 - MEDICAL DEVICE SOFTWARE - SOFTWARE LIFE CYCLE PROCESSES"
    scope: "Verified Engineering Specification"
  - standard: "ISO 14971:2019 - MEDICAL DEVICES - APPLICATION OF RISK MANAGEMENT TO MEDICAL DEVICES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/patient-data-interface.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "dffb9c47236d410614bcfb698ce344da38fdca76acd7dd55a81d35293458009a"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Patient Data Interface

## 1. Technical Definition
Interface component for inputting and managing patient-specific data within the Dose Calculation Engine

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-1000 Hz data refresh rate, 0-5 VDC signal input range, -20°C to +85°C operating temperature**. Failure boundary: **Signal integrity loss at 0.8 VDC noise floor, data corruption at 1200 Hz refresh rate, component failure at 90°C junction temperature**, Mechanism: **Signal-to-noise ratio degradation below 6 dB, sampling aliasing above Nyquist frequency (500 Hz), semiconductor thermal runaway above 85°C due to Arrhenius equation acceleration (doubling failure rate every 10°C rise)**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electromagnetic interference exceeding 10 V/m field strength at 100 MHz | 8 | Analog-to-digital converter bit errors exceeding 3% error rate | Shielded twisted-pair cabling with 40 dB attenuation at 100 MHz, ferrite chokes on all I/O lines |
| Simultaneous data writes from multiple sources exceeding 100 ms latency threshold | 8 | Patient data buffer overflow causing dose calculation errors | Dual-port RAM with hardware semaphore arbitration, prioritized queue architecture with 50 ms maximum latency guarantee |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Processing Unit](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/processing-unit.md) `(Standalone System)`
- [Interface Board](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/interface-board.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Data Acquisition System**, **Network Switch**, **Uninterruptible Power Supply**  
**Downstream Applications**: Radiotherapy Treatment Plans, Medical Device Software, Clinical Decision Support Systems  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the primary function of the Patient Data Interface?
**A**: The Patient Data Interface securely inputs and manages patient-specific data for the Dose Calculation Engine, ensuring accurate radiation therapy treatment planning in medical devices.

### Q: What materials are used in the Patient Data Interface construction?
**A**: It's constructed with electronic components for data processing, a durable plastic housing for protection, and copper wiring for reliable electrical connectivity in medical environments.

### Q: How does the Patient Data Interface integrate with medical systems?
**A**: The interface connects via its Data Input Port to medical devices, processes information through its Processing Unit and Interface Board, and seamlessly integrates with Dose Calculation Engines for treatment planning.

## 6. Manufacturing Compliance
- ISO 13485:2016 - MEDICAL DEVICES - QUALITY MANAGEMENT SYSTEMS
- IEC 62304:2006 - MEDICAL DEVICE SOFTWARE - SOFTWARE LIFE CYCLE PROCESSES
- ISO 14971:2019 - MEDICAL DEVICES - APPLICATION OF RISK MANAGEMENT TO MEDICAL DEVICES

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Patient Data Interface](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/patient-data-interface)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: PATIENT_DATA_INTERFACE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b4f951fd
