【EXPERT Q&A】Why is it so difficult to obtain the qualifications for Class II and Class III medical devices?

March 6, 2026  Source: drugdu 30

Drugdu.com expert's response:

 

The difficulty in obtaining qualifications for Class II and III medical devices lies in high product risks, strict supervision, complex procedures, high professional thresholds, large investment, long cycles, and enterprises often being rejected repeatedly due to insufficient compliance capabilities, non-standard materials, or non-compliance with requirements for premises, personnel, and systems. 

I. Root Cause: Supervision Intensity Determined by Risk Level

Class II (medium risk)
 
e.g., blood glucose meters, electrocardiographs, surgical masks.
 
They contact the human body or carry certain injury risks, requiring registration/filing + strict system management.
 
Class III (high risk)
 
e.g., cardiac stents, artificial joints, ventilators, in vitro diagnostic reagents.
 
Directly related to life safety, requiring strict approval, mandatory clinical trials, and full-chain supervision.

II. Process & Approval Difficulty

1. Registration (Most Difficult)

Class II: Approved by provincial medical products administrations.
 
Requires product testing + clinical evaluation (some exempt) + system inspection.
 
Class III: Approved by NMPA (National Medical Products Administration).
 
Requires mandatory clinical trials (ethics + multi-center) + complete clinical data + system inspection + expert review, usually taking 1–3 years.
 
Documentation requirements: Technical requirements, research reports, test reports, clinical data, quality system documents, instructions/labels, and dozens of other items, all mandatory.

2. Production License

Requires production license + registration certificate, approved by provincial medical products administrations.

Core: GMP system + production premises + equipment + personnel + records + traceability, with strict on-site inspections.

3. Operation License / Filing

Class II operation: Filing system, but requires premises, personnel, systems, and computer systems.

Class III operation: Licensed by municipal medical products administrations.

Requirements: warehouse ≥ 40–50 ㎡, temperature & humidity monitoring, cold chain, quality director (college degree in relevant major + 3 years of experience).

III. Hard Compliance Thresholds

1. Personnel Qualifications

Quality director / management representative:

Relevant majors (medicine, pharmacy, biology, chemistry) + education + work experience + social insurance, all mandatory.

Production / inspection / after-sales personnel: professional training and certification required.

2. Premises & Hardware

Operation: Commercial address, separated from living areas, warehouse area, temperature & humidity control, ventilation, fire protection, pest control, cold chain.

Production: Clean areas (by grade), purified water, sterilization, testing equipment, storage, retention samples, pollution prevention.

3. Quality Management System (GMP)

Documented system required: quality manual, procedures, SOPs, records, deviations, changes, CAPA, traceability, adverse events, recalls, etc.

Class III system inspections are stricter, more detailed, and more frequent.

4. Clinical & Verification

Class II: Clinical evaluation via equivalent products or clinical trials.

Class III: Mandatory clinical trials with very high requirements for ethics approval, trial design, sample size, statistics, and reports.

IV. Practical Pain Points for Enterprises

Complex and frequently updated policiesNumerous regulations, guidelines, and inconsistent local implementation, difficult for enterprises to keep up.

Shortage of professional talentsFew professionals proficient in regulations, systems, clinical trials, and registration; SMEs struggle to afford full-time compliance teams.

High error rate in materialsOver 40% of rejections due to non-standard, incomplete, or logically inconsistent documents.

High investment & long cycleHigh costs for testing, clinical trials, premises, equipment, personnel, and system construction. Class III registration often costs millions and takes years.

Strict on-site inspectionsUnannounced inspections, system audits, sampling inspections; failure in any step results in rejection.

V. Key Differences: Class III Is Harder Than Class II

Approval level: Class II (provincial); Class III (national).

Clinical requirements: Class II mostly exempt or equivalent evaluation; Class III mandatory clinical trials.

System inspection: Class III is stricter, more comprehensive, and more frequent.

Risk control: Class III requires stricter full life cycle management, traceability, adverse events, and recalls.

In Summary

The reason why Class II and III medical device qualifications are difficult to obtain is that supervision is responsible for life safety, and every step is designed to minimize risks.

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By editor
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