Menu

Independent principal-level engineering judgment for Class II and Class III medical device programs.

Quiet Vector provides outside technical assessment and evidence remediation across design assurance, software and system V&V, risk management, and cybersecurity.

Request a consultation
Added by user manually

About

Quiet Vector provides independent principal-level MedTech engineering judgment on programs where design decisions, engineering evidence, and regulatory exposure are connected.

The work is usually a question that has to be answered correctly, in writing, by someone with no stake in the answer — before a submission, an inspection, an investment decision, or a launch.

35+ years in medical device systems and software-intensive, active medical devices. Active implantables, defibrillators, neurostimulators, implantable drug pumps, programmers, monitoring and patient data systems, SaMD, and combination products. Work spans R&D, Quality, and Regulatory.

Fixed-fee assessments, short remediation sprints, fractional advisory support, subcontract consulting. Remote or onsite. Based in Minnesota.

Recommended starting points: Technical Due Diligence · Independent DHF / Design Assurance Review · Software/System V&V Rescue · Cybersecurity Gap Assessment.

A short intake call clarifies scope. I tell you honestly whether I can help — and if I cannot, I say so.

— Wayne Larson, Principal Engineer, Quiet Vector LLC

Services

Core consulting services

Independent Assessment

  • Technical Due Diligence

    Deliver decision-grade technical risk findings and remediation priorities for deals and diligence. See the Technical Due Diligence page.

  • Independent DHF / Design Assurance Review

    Outside assessment of design history file quality, traceability, and regulatory defensibility before submissions and inspections. See the Design Assurance page.

Evidence Remediation

  • Software/System V&V Rescue

    Traceability review, evidence-strength scoring, gap analysis, and prioritized action plan for troubled programs under regulatory pressure.

  • Security Risk Management Remediation

    Repair weak linkage across threat analysis, risk controls, verification evidence, and risk files so the package is technically coherent and regulator-ready.

Cybersecurity

  • Cybersecurity Gap Assessment

    Full-scope review of architecture, threat handling, security risk management, verification evidence, and regulatory alignment. See the Cybersecurity page.

  • FDA / SW96 Readiness Review

    Assess evidence quality, traceability depth, and submission readiness against current FDA cybersecurity expectations and SW96-aligned documentation needs.

Ongoing Support

  • Fractional Principal Engineer Support

    Part-time principal-level engineering depth to guide technical decisions, unblock cross-functional teams, and keep high-risk programs moving with discipline.

Difficult technical questions

Some engagements are not a service. They are a single question that has stalled a program: whether a design decision holds, whether an argument will survive review, why a failure occurred, or whether the evidence supports the claim being made. That work is taken on directly.

Where this work fits

  • Verification evidence does not trace cleanly to requirements, hazards, and intended use.
  • Risk controls are documented, but test results do not convincingly show effectiveness.
  • Architecture, risk file, and V&V plans conflict, leaving a reviewer without a coherent story.
  • A design decision carries regulatory consequence and the internal team does not agree on the answer.
  • Cybersecurity artifacts exist, but they are disconnected from safety analysis and design controls.
  • Class II/III timelines are compressing, and remediation is reactive instead of planned.
  • Leaders need independent principal-level judgment without adding permanent headcount.

If two or more apply, a short assessment is the usual starting point.

For PE/VC diligence teams, investor-side technical assessment, or pre-acquisition engineering evaluation, the Technical Due Diligence page provides the full scope of that engagement.

Credibility

Where the experience comes from

Focus areas:

design assurance, software and system V&V, risk management, and cybersecurity for Class II and Class III medical device programs.

Standards work:

contributed to the AAMI committee work that preceded IEC 62304 and to the ISPE GAMP methods development. Charter member, ASQ Software Quality Division (1991). CSQE.

Applicable to:

Leading MedTech OEMs and global quality organizations — specific references available confidentially upon request.

Contact

Location
Minnesota, USA
Phone
612-860-8507

Thank you — your message was sent.

Something went wrong. Please try again.

Concise details help prioritize response and scope.