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Manufacturer/Care-Giver Perspective

Workshop on High Confidence Medical Device Software and Systems (HCMDSS) Research & Roadmap June 2-3, 2005 Philadelphia, PA. Manufacturer/Care-Giver Perspective. David R. Jones Philips Medical Systems. High Confidence Medical Device SW & Systems Issues & Challenges.

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Manufacturer/Care-Giver Perspective

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  1. Workshop on High Confidence Medical Device Software and Systems (HCMDSS)Research & RoadmapJune 2-3, 2005 Philadelphia, PA. Manufacturer/Care-Giver Perspective David R. Jones Philips Medical Systems

  2. High Confidence Medical Device SW & Systems Issues & Challenges • SW development/verification/validation practices that drive predictable results • The convergence of Information Technology & Biomedical Engineering • The real-time patient monitoring and diagnosis continuum • Security • SW based predictive medicine

  3. Software Development & Validation Practices That Drive Predictable Results Ref: Real-world benchmarks for PSP, Carnegie Mellon University Software Engineering Institute 1999 (a) : Capability Maturity Model Integrated

  4. Software Development & Validation Practices That Drive Predictable Results – and Map To FDA Requirements Ref: Best Practices in Software Design for Medical Devices March, 2004. Presentation by D.R. Jones, T. Shah.

  5. Our information systems are mission-critical! Our devices are life-critical! IT and Biomedical

  6. Different Perspective Life-critical vs.mission-critical Medical devices vs. Information Systems The Biomed links medicine and technology IT and Biomedical

  7. Medical Technology intertwined with IT Move toward Electronic Medical Record (EMR), Clinical Decision Support Systems (CDSS) requires information flow Devices are an integral part of information flow More regulations and protocol requirements (JCAHO, Leapfrog) drives data movement Desire to integrate data from real-time systems to achieve smart/predictive alarms Convergence

  8. The Real Time Patient Monitoring And Diagnosis Continuum

  9. Security: Today’s Environment • Thousands of new vulnerabilities yearly • Weekly attacks on the rise • Viruses are quick – patch validation is relatively slow • Hospitals are public places • Hospitals subject to privacy and security regulations

  10. Security Risk = Vulnerabilities x Threats Mitigation • Vulnerabilities • Flaws or weaknesses in system design, implementation, operation, or management • Threats • Malicious inside or outside intruders, accidents • Mitigation • Security measures

  11. HIPAA Security Rule • A regulation, not a standard • Goal: develop and maintain the security of all electronic protected health information (PHI). • Hospitals must protect against “reasonably anticipated” security threats/disclosure of info • Largely administrative, even for security • Some technical safeguards are recommended • Covered Entities are: • Health Plans • Health Care Providers • Health Care Data Clearing Houses • Heath care providers, therefore, ask Medical Device Manufacturers for features and assurances that help them comply

  12. Vendor role Risk assess products considering intended user environment Be sure hospital IT is involved early Validate patches for critical systems Understand customer security needs Customer role Multi-layer strategy to protect information Policy, process, technology risk management, and contingency planning Firewalls or other network devices are good practice Follow medical device vendor statements on patching Shared Responsibility for Security

  13. The Role of the FDAWith respect to security patching of the OS on certain (regulated) products: • The vendor must prove that software still is safe and effective in the presence of the patch • Thorough testing under a quality system takes time and effort to prove this, depending on complexity • The FDA requires that vendors have a quality system, and that vendors verify changes, including patches.

  14. Current Diagnosis and Treatment Process Ref: MEDICAMUNDI 47/1 April 2003

  15. Software Based Predictive Medicine Ref: MEDICAMUNDI 47/1 April 2003

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